9th Edition of the Large Hadron Collider Physics Conference
Zoom
The Ninth Annual Large Hadron Collider Physics (LHCP2021) conference is planned
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NEWS (03/11/2021): the LHCP2021 proceedings have been reviewed and are now available at this URL: https://pos.sissa.it/397/
NEWS (18/10/2021): the LHCP2021 proceedings are currently under review and will appear at this URL: https://pos.sissa.it/397/
NEWS (12/06/2021): the winners of the poster awards and the site selected to host LHCP 2023 have been announced in the closing plenary session
NEWS (28/04/2021): the second bulletin is now available on the conference website (click here)
NEWS (23/04/2021): poster abstracts have been reviewed and acceptance notifications have been sent by e-mail. Information about the poster and poster session formats are available here. More detailed instructions will be sent to the poster presenters by e-mail.
NEWS (22/04/2021): thanks to CERN and IUPAP sponsorships, no fees are required to participate to the LHCP2021 conference. Participants attending the online conference are required to register in order to receive by e-mail the instructions for the video connections.
The LHCP conference series started in 2013 after a successful fusion of two international conferences, "Physics at Large Hadron Collider Conference" and "Hadron Collider Physics Symposium". The conference programme will be devoted to a detailed review of the latest experimental and theoretical results on collider physics, and recent results of the LHC Run II, and discussions on further research directions within the high energy particle physics community including both theory and experiment sides. The main goal of the conference is to provide intense and lively discussions between experimentalists and theorists in research areas such as the Standard Model Physics and Beyond, the Higgs Boson, Supersymmetry, Heavy Quark Physics and Heavy Ion Physics as well as the recent progress in the high luminosity upgrades of the LHC and future colliders developments.
With great regret we have concluded that the 9th LHCP conference, to be held 7-12 June 2021, will need to be fully online, due to the Covid-19 pandemic and its uncertainties.
The conference will be maintained for the same days, with an adjusted timetable to improve remote participation from around the world, similar to that of the 2020 edition of LHCP.
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- opening | 12 December 2020 | |
- closing | 2 June 2021 | |
Poster abstract submission | ||
- submission deadline | 19 April 2021 | |
- acceptance notification | 23 April 2021 at the latest | |
Start of the conference |
7 June 2021 12:00 | |
Proceedings submission | 20 September 2021 |
abdelmajid miftah
Abderrazaq El Abassi
Abdollah Mohammadi
Abdullah Nayaz
Abhi Modak
Abideh Jafari
Abishek khatri
Adam Edward Barton
Aditya Nath Mishra
Admir Greljo
Adrian Rubio Jimenez
Adrian Rubio Jimenez
Adriana Si
Adriana Telesca
Adriano Cherchiglia
Adriano Di Florio
Afsar Reja
Agnieszka Oblakowska-Mucha
Akira Yamamoto
Akram Khan
Al Goshaw
Alan Price
Alan Watson
Albert Kong
Alberto Orso Maria Iorio
Alberto Tonero
Alejandro Soto Rodriguez
Alejo Rossia
Aleksandr Svetlichnyi
Alessandra Cappati
Alessandra Gioventu
Alessandra Palazzo
Alessandro Bertolin
Alessandro Biondini
Alessandro Calandri
Alessandro Tarabini
Alessio Boletti
Alex Pomarol
Alex Zeng Wang
Alexander Bachiu
Alexander Grohsjean
Alexander Karlberg
Alexander Lanev
Alexander Mann
Alexander Philipp Kalweit
Alexander Yohei Huss
Alexeii Kurepin
Alexis Pompili
Alexis Vallier
Alfred Mishi
Ali Al Kadhim
Ali El Moussaouy
Ali El Moussaouy
Alice Ohlson
Alicia Calderon Tazon
ALIYA ARISHI
Alvaro Lopez Solis
Amal Boumezoued
Amandeep Kaur
Amandeep Kaur
Amandeep Singh Bakshi
Amartya Rej
Amit Adhikary
Anagha Aravind
Anas El Mendili
Andre Sopczak
Andre Zimermmane Castro Santos
Andrea Cardini
Andrea Carlo Marini
Andrea Dainese
Andrea Di Luca
Andrea Dubla
Andrea Ferroglia
Andrea Rizzi
Andrea Trapote Fernandez
Andreas Albert
Andreas Crivellin
Andreas Goudelis
Andreas Jung
Andreas Meyer
Andrei Popescu
Andrei Popescu
Andrew James Lankford
Andrew Larkoski
Andrew Lifson
Andrzej Smykiewicz
André David
Andy Buckley
Ang Li
Angela Zaza
Anja Beck
Ankita Mehta
Ankur Yadav
Ann-Kathrin Perrevoort
Anna Albrecht
Anna Feherkuti
Anna Hallin
Anna Kaczmarska
Anna Kulesza
Annalena Sophie Kalteyer
Annapaola De Cosa
Anshika Bansal
Antoine Gerardin
Antonio Boveia
Antonio Giannini
Antonio Jacques Costa
Antonio Sidoti
Antonio Uras
ANTONIOS AGAPITOS
Anubhav Mahapatra
Apurba Tiwari
Aran Garcia-Bellido
Arantxa Ruiz Martinez
Arifa Haque
Arnab Roy
Arnaud Ferrari
Arnd Meyer
Arpan Ghosal
Arran Charles Freegard
Artem Isakov
Artem Kotliarov
Arthur Linss
Arvind Khuntia
Asmaa Aboulhorma
Asmaa Aboulhorma
Aurelio Juste Rozas
Avnish .
Ayres Freitas
Babar Ali
Badder Marzocchi
Badr-eddine Ngair
badr-eddine ngair
Barbara Alvarez Gonzalez
Barbara Erazmus
Barbara Linek
Barbora Bruant Gulejova
Basem Khanji
Ben Davis-Purcell
Ben Nachman
Ben Smart
Benedetto Di Ruzza
Benedict Tobias Winter
Benjamin Fuks
Benjamin Guiot
Benoit Blossier
Beojan Stanislaus
Bernhard Mistlberger
Bernhard Mistlberger
Bhargav Joshi
Bharti Tanwar
BHEEMSEHAN GURJAR
Bibhuti Parida
BIMALESWAR SAHU
Bin Yan
Bing Li
Binish Batool
Biplob Bhattacherjee
Birgit Sylvia Stapf
Blaise Delaney
Bo Liu
Bogdan Malaescu
Bohdan Dudar
Boris Hippolyte
Bowen Zhang
Brajesh Choudhary
Brendon Bullard
Brigitte Cheynis
Bruce Mellado
Bruno Alves
Bruno Mansoulie
Bugra Bilin
Camila Ramos
Candan Dozen
Cari Cesarotti
Carl Gwilliam
Carlo Alberto Gottardo
Carlo Giraldin
Carlo Oleari
Carlos Moreno Martinez
Carlos Vico Villalba
Carlos Vázquez Sierra
Cecile Caillol
cesare cazzaniga
chaashney m
Chad Wells Freer
Chan Beom Park
Chandrima Sen
Chariclia Petridou
Chayanit Asawatangtrakuldee
Chen Zhou
Cheng-Wei Chiang
Chiara De Martin
Chinmoy Dey
Chris Malena Delitzsch
Chris Parkes
Chris Rasmussen
Christian Grefe
Christian Herwig
Christian Lippmann
Christian Nass
Christian Ohm
Christian Schwanenberger
Christina Reissel
Christine Kourkoumelis
Christoph Paus
Christophe Ochando
Christophe Royon
Christopher Comiskey-Erazo
Christopher Hayes
Christopher Hearty
Christopher Mcmahon
Christos Bakalis
Christos Paraskevopoulos
Christos Pliatskas Stylianidis
Christos Vergis
Chuqiao Jiang
Clara Elisabeth Leitgeb
Clara Nellist
Claude Amsler
Claude Duhr
Claudia Cornella
Claudia-Eisabeth Wulz
Claudio Quaranta
Connie Potter
Cristiano Sebastiani
Cristina Oropeza Barrera
Cristina Terrevoli
Cvetan Valeriev Cheshkov
Cynthia Keppel
Daariimaa Battulga
Dagmar Adamova
Dalia Lucero Ramírez Guadarrama
Dalia Lucero Ramírez Guadarrama
Dan Thompson
Daniel Britzger
Daniel Buchin
Daniel Cervenkov
Daniel Craik
Daniel Reichelt
Daniel Spitzbart
Daniela Kuechler
Daniele Zanzi
Danijela Bogavac
Danish Farooq Meer
Dariusz Miskowiec
Dave Charlton
David Richard Shope
David Walter
Davide Cieri
Davide Pagani
Dawn Hudson
Dayanand Mishra
Debasish Das
Deborah Pinna
Deepa Thomas
Dennis Perepelitsa
Despina Hatzifotiadou
Didier Contardo
Diego Guadagnoli
Dilson De Jesus Damiao
Dimitar Lubomirov Mihaylov
Dinesh Kumar
Dingyu Shao
Djamel Boumediene
Dmytro Kovalskyi
Dominik Babal
Dominik Duda
Dominik Karol Derendarz
Dominik Stefan Mitzel
Donatella Lucchesi
Duncan Leggat
Dushmanta Sahu
Edgar Fernando Carrera Jarrin
Edmund Xiang Lin Ting
Edson Carquin Lopez
Edward Nkadimeng
Edward Scott
Eero Aleksi Kurkela
El Abderrazaq
Elena Dall'Occo
Elena Fedotova
Elena Graverini
Elena Michelle Villhauer
Elena Pompa Pacchi
Eleonora Rossi
Elias Bernreuther
Elina Fuchs
Elisabetta Gallo
Elisabetta Spadaro Norella
Elodie Resseguie
Eloisa Arena
Elzbieta Richter-Was
Emanuele Angelo Bagnaschi
Emanuele Re
Emanuele Usai
Emilie Maurice
Emma Kuwertz
Emma Marshall
Emma Torro Pastor
Enrico Junior Schioppa
Eric Ballabene
Erik Alfredo Zepeda Garcia
Ernst Hellbar
Esteban Fullana Torregrosa
Ethan Simpson
Eugene Proskurins
Eugenio Berti
Eung Jin Chun
Evgeny Soldatov
Ezequiel Alvarez
Fabian Metzger
Fabian Zierler
Fabio Cerutti
Fabiola Gianotti
Fabrice Couderc
Fabrizio Grosa
Faig Ahmadov
Farid Ould-Saada
Farida Fassi
Farinaldo Queiroz
Fawaz Mutlaq Alhawiti
Federico Antinori
Federico Leo Redi
Federico Meloni
Federico Ronchetti
Fernando Antonio Flor
Fidan Suljik
Filip Krizek
Fionn Bishop
Florencia Canelli
Florian Fischer
Foteini Trantou
Francesca Borzumati
Francesca Dordei
Francesca Ercolessi
Francesco Costanza
Francesco Debernardis
Francesco Fabozzi
Francesco Fiori
Francesco Giuli
Francesco Prino
Francesco Spano
Francisco Campos Oliden
Frank Meier
Frank Tackmann
Franklin Potter
Friedemann Neuhaus
Frigyes Janos Nemes
Gabor Veres
Gabriele Milella
Gabriella Pasztor
Gaia Lanfranchi
Galo Gonzalvo Rodríguez
Galo Rafael Gonzalvo Rodriguez
Ganesh Parida
Garvita Agarwal
Gauthier Durieux
Gautier Hamel de Monchenault
Geliang Liu
George W.S. Hou
Georgios Billis
Georgios Krintiras
Giacomo Contin
Gian Francesco Giudice
Gian Maria Greco
gianluca bianco
Gianna Moenig
Gianni Masetti
Gianny Mestdach
Gilad Perez
Giovanna Cottin
Giovanni Marchiori
Gitanjali Poddar
Giulia Di Gregorio
Giuliano Giacalone
Giuliano Gustavino
Giuliano Panico
giuseppe bruno
Giuseppe Caratta
GOLAM SARWAR
Grazia Luparello
Greg Myers
Gregorio Bernardi
Grigotii Tolkachev
Guenakh Mitselmakher
Guglielmo Frattari
Guillaume Falmagne
Guillaume Unal
Guillelmo Gomez-Ceballos
Gustavs Kehris
Gyula Bencedi
Haider Abidi
Haifeng Li
Hale Sert
Halil Saka
Hamed Bakhshiansohi
Hang Yin
Hannah Arnold
Hannah Bossi
Haruka Asada
Hassnae El Jarrari
Heather Gray
Heather Russell
Helena Santos
Hengne Li
Henning Kirschenmann
Henokh Lugo Hariyanto
Henry Day-Hall
Heribertus Bayu Hartanto
Hicham Benamer
Hicham Benamer
HIDEYUKI NAKAZAWA
Himanshu Sharma
Hongtao Yang
Hua Pei
Hua-Sheng Shao
Huanfeng Cheng
Huey-Wen Lin
Huilin Qu
Hyun Min Lee
Iacopo Vivarelli
Ida Storehaug
Igor Kostiuk
Igor Pshenichnov
Ilaria Brivio
Ilya Gorbunov
Imma Riu
Ioan-Mihail Dinu
Ioannis Tsinikos
Ismail Ezzaki
Ismail Qanza
Iulia-Stefania Trandafir
Ivan Mikulec
Ivan Ravasenga
Jacco Andreas De Vries
Jacek Biernat
Jackson Carl Burzynski
Jaco ter Hoeve
Jacob Julian Kempster
Jaebeom Park
Jaehyeok Ryu
Jakob Blomer
Jakub Kremer
James Frost
James Mulligan
James Pinfold
James Robert Letts
James Smith
Jan Eysermans
Jan Fiete Grosse-Oetringhaus
Jan Kuechler
Jan Steggemann
Jan-Eric Nitschke
Jan-Hendrik Arling
Janik Von Ahnen
Jannik Geisen
Jasmine Therese Brewer
Jason Robert Veatch
Jason Thieman
Jasper Roosmale Nepveu
Javier Cuevas
Javier Montejo Berlingen
Javier Virto
Jean-Francois Grivaz
Jean-Loup Raymond
Jean-Roch Vlimant
Jeongeun Lee
Jeonghyeon Song
Jeremy Wilkinson
Jesse Liu
Ji-Seon Song
Jianhui Zhu
Jianming Qian
Jiayin Sun
Jibo He
Jim Guenther
Jim Olsen
Jim Virdee
Jingyu Luo
JINHEUNG KIM
Jiri Chudoba
Jiyoung Kim
Joany Manjarres
Jochen Klein
Joe Osborn
Johannes Albrecht
Johannes Michel
John Alison
John Meshreki
Jona Motta
Jonathan Bossio
Jonathan Long
Jorge de Blas
Jose Agustin Lozano Torres
Jose Enrique Palencia Cortezon
Josh Bendavid
Joshuha Thomas-Wilsker
José Francisco Zurita
Jozef Tomasz Borsuk
João Seabra
Juan Gonzalez
JUAN ROJO
Judita Mamuzic
Judith Katzy
Juhi Dutta
Julie Malcles
Junghyeon Park
Junpei Maeda
Junquan Tao
Jurgen Schukraft
Justine Serrano
Jyothsna Rani Komaragiri
Jyoti Babbar
Kadir Ocalan
Kai-Feng Chen
Kajari Mazumdar
Karel Safarik
Karl Jakobs
Karolos Potamianos
Karsten Koeneke
Katarina Anthony
Katharine Leney
Katsuo Tokushuku
Kaushik Borah
Keerthi Nakkalil
Kenneth Lane
Kenneth Osterberg
Kerstin Tackmann
Kevin Black
Kevin Frank Einsweiler
kfir blum
Klaus Monig
Kristin Lohwasser
Kristof Schmieden
Krzysztof Bozek
Ksenia de Leo
Kyeong Ro Lee
Lailin Xu
Lata Panwar
Laura Barranco Navarro
Laura Baudis
Laura Brittany Havener
Laura Buonincontri
Laura Jeanty
Laura Patrizii
Laura Pereira Sanchez
Laure Marie Massacrier
Laurent Dufour
Laurent Forthomme
Lawrence Lee Jr
Lee Sawyer
Leena Tharwat
Leena Tharwat
Leszek Adamczyk
Leticia Cunqueiro Mendez
Lex Greeven
Liantao Wang
Liaoshan Shi
Liliana Apolinario
Lina Alasfar
Lingfeng Li
Liupan An
Liza Mijovic
Lopamudra Nayak
Louis Fayard
Louis Helary
Louis Henry
Louis Portales
Loukas Gouskos
Luc Schnell
Luca Barioglio
Luca Cadamuro
Luca Malgeri
Luca Micheletti
Lucia Di Ciaccio
Luciano Musa
Ludovic Petitdemange
Luis Roberto Flores Castillo
Lukas Alexander Heinrich
Lydia Audrey Beresford
Lydia Iconomidou-Fayard
Maciej Piotr Lewicki
Magnus Mager
Makayla Vessella
Malak Ait Tamlihat
Malgorzata Maria Worek
Manuella Vincter
Mapse Barroso Ferreira Filho
marc Poirier
Marc-Andre Pleier
Marcel Vos
Marcello Rotondo
Marcin Kucharczyk
Marco Cipriani
Marco Delmastro
Marco Fedele
Marco Peruzzi
Marco Pieri
Marcos Miralles Lopez
Marcos Vinicius Silva Oliveira
Marek Schoenherr
Margherita Boselli
Maria Cepeda
Maria Giovanna Foti
Maria Gul
Maria Moreno Llacer
Maria Perganti
Maria Teresa Camerlingo
Maria Ubiali
Maria Zurita
Mariana Toscani
Mariana Velho
Marie-Helene Schune
Mariia Savina
Marina Artuso
Marisilvia Donadelli
Mariusz Przybycien
Mark Hodgkinson
Marko Stamenkovic
Markus Ebert
Markus Seidel
Marta Luszczak
Marta Maja Czurylo
Marta Urioni
Martin Habedank
Martin Murin
Martina Pili
Marton Bartok
marzieh Bahmani
Masaya Ishino
Massimo Corradi
Mateusz Ploskon
Mathias Wagner
Matt Durham
Matt LeBlanc
Matteo Bonanomi
Matteo Cacciari
Matteo D'Uffizi
Matteo Negrini
Matteo Presilla
Matthew John Charles
Matthew Philip Mccullough
Matthew Reece
Matthias Komm
Mattia Faggin
Maximilian Delto
Maximilian Emanuel Goblirsch-Kolb
Maximilian J Swiatlowski
Maximiliano Puccio
Md Ways Al Carnee
Meena Meena
Meenakshi Sharma
Meinrad Schefer
Meirin Oan Evans
Melissa Kathryn Quinnan
Meng-Ju Tsai
Merve Nazlim Agaras
Mestapha Arejdal
Mesut Unal
Mia Tosi
Michael Hösgen
Michael Ramsey-Musolf
Michael Staelens
Michal Kreps
Michel De Cian
michelangelo mangano
Michele Faucci Giannelli
Miguel Gallo
Miguel Ramos Pernas
Mika Vesterinen
Mike Lamont
Mike Sas
Mikhail Demichev
Minho Kim
Minjung Kim
Mintu Kumar
MINTU KUMAR
Moe Wakida
Mohamed Aly
Mohamed Belfkir
Mohamed Krab
Mohamed Zaazoua
Mohammed Boukidi
Monica Pepe-Altarelli
Monika Katarzyna Juzek
Monoranjan Guchait
Mrinal Dasgupta
Muhammad Aamir Shahzad
Muhammad Farooq
Mureed Hussain
Musfer Adzhymambetov
Mustafa Anaam
Nadia Pastrone
Nadja Strobbe
Nan Lu
Narei Lorenzo Martinez
Natascha Krammer
Nedaa-Alexandra Asbah
Neelkamal Mallick
Neelkamal Mallick
Ngoc Khanh Vu
Nicholas Wardle
Nick Smith
Nicola Orlando
Nicola Rubini
Nicola Rubini
Nicolas Morange
Nicolas Tonon
Nicole Bastid
Nicole Skidmore
Niels Tuning
Niki Saoulidou
Nikita Kozyrev
Nikolai Fomin
Nikolaos Rompotis
Niladri Sahoo
Nils Faltermann
Noemi Cavalli
Nora Emilia Pettersson
Nuno Castro
Oguz Guzel
Oksana Shadura
Ole Schmidt
Oleg Solovyanov
Oliver Stelzer-Chilton
Olivier Rousselle
Orcun Kolay
Pablo Ernesto Yanez Carcamo
Paola Mastrapasqua
Paolo Francavilla
Paolo Giacomelli
Paraskevi Ganoti
Paris Sphicas
Patricia McBride
Patrick Foldenauer
Patrick Koppenburg
Patrizia Azzi
Paul Jackson
Paula Martinez Suarez
Pedro Abreu
Peiwen Wu
Percy Cáceres
Peter Alan Steinberg
Peter Berta
Peter Johannes Falke
Peter Kicsiny
Philip Hauer
Philip Sommer
Philipp Englert
Philipp Gadow
Philipp Windischhofer
Pierluigi Bortignon
Pierluigi Paolucci
Pietro Slavich
Pietro Vischia
Polyneikis Tzanis
POONAM CHOUDHARY
Prabhat Singh
Prabhat Solanki
Prachi Arvind Atmasiddha
Pranjal Sarma
Pratik Kafle
Pyungwon Ko
Qiang Li
Qipeng Hu
Qiuchan Lu
Quentin Bonnefoyy
R D Schaffer
Rabia Shaheen
Rachel Christine Rosten
Rachik Soualah
Radja Boughezal
Raghunath Sahoo
Rahul Balasubramanian
Rainer Mankel
Rainer Stamen
Rajat Gupta
Rajeev Singh
Rajendra Nath Patra
Raluca Cruceru
Ram Krishna Dewanjee
Ramni Gupta
Ramona Groeber
Raoul Röntsch
Raquel Quishpe Quishpe
Ravindra Singh
Ravindra Singh
Rebeca Gonzalez Suarez
Reda ERRAIS
Reham Aly
Rhitaja Sengupta
Ria Sain
Ricardo Barrué
Riccardo Salvatico
Richard Ruiz
Richard Teuscher
Rickard Ström
Robert Schoefbeck
Roberta Arnaldi
Roberto Covarelli
Roberto Di Nardo
Roberto Salerno
Roberto Seidita
Robin Newhouse
Roger Wolf
Rok Medves
Romain Bouquet
Roman Nepeyvoda
Rosa Simoniello
Rosy Nikolaidou
Roy Crawford Lemmon
Ruchi Chudasama
Ruchi Gupta
Rui Zhang
Rutuparna Rath
Ryan Mckenzie
Sabiar Shaikh
Sabine Wedam Lammers
Sadia Marium
Sagar Addepalli
Sahibjeet Singh
Sahithi Rudrabhatla
Sahithi Rudrabhatla
SALEH EL GHASSAL
Saliha Bashir
Salim Cerci
Sally Dawson
Salman Khurshid Malik
Samuel Louis Bein
Sana Ketabchi
Sanchari Thakur
Sandeep Kaur
Sanghoon Lim
Sanha Cheong
Santiago Folgueras
Saptaparna Bhattacharya
Sara Sellam
Sarah Porteboeuf
Saskia Falke
Saswati Nandan
Savannah Rose Shively
Sebastian Tapia Araya
Sebastien Descotes-Genon
Sebastien Perrin
Sebastián Fuenzalida Garrido
Seema Sharma
Selaiman Ridouani
Semen Turchikhin
Seongsik Kim
Serena Maccolini
Sergey Polikarpov
Sergio Grancagnolo
Sergio Iván Fernández Luengo
Sergio Sanchez Cruz
Sergo Jindariani
Shabeeb Alalawi
Shafeeq Rahman Thottoli
Shahram Rahatlou
Shahzad Ali
Shalu Solomon
Shankha Banerjee
Shefali Prabhakar
Sheldon Stone
Shigeki Hirose
Shilpi Jain
Shivani Lomte
Shreyasi Acharya
Shuanggeng Wang
Shuiting Xin
Shuqi Li
Silvia Borghi
Silvia Ferrario Ravasio
Silvia Gambetta
Silvia Pisano
Silvia Tentindo
Silvio Donato
Sima Bashiri
Sima Bashiri
Simon Thor
Simone Amoroso
Simone Caletti
Simone Ragoni
Sinem Simsek
Siqi Yuan
Siyu Tang
Siyu Tang
Sofia Strazzi
Sohyun Park
Songshaptak De
SooJin Lee
Soumya Dansana
Soumya Mukherjee
Soyeon Cho
Stamatios Tzanos
Stefan Guindon
Stefan Richter
Stefan Schacht
Stefania Bufalino
Stefania Gori
Stefania Spagnolo
Stefanie Morgenstern
Stefano Manzoni
Stefano Scopel
Stefano Trogolo
Stefio Yosse Andrean
Stephane Yves G Willocq
Stephen Farry
Steven Goldfarb
Subhojit Roy
Sudip Jana
Suman Chatterjee
Suman Deb
Suman Deb
Sumit Kumar Saha
Supriya Sinha
Susan Gascon-Shotkin
Susana Molina Sedgwick
Sushanta Tripathy
Susmita Mondal
Suzanne Klaver
Sven Menke
Swagata Mukherjee
Syed Mohamed Syakir Syed Omar
Tadej Novak
Takuya Nobe
Tamer Elkafrawy
Tania Robens
Tanmay Sarkar
Tariq Mahmoud
Tatjana Lenz
Tatsuo Kawamoto
Teresa Barillari
Terrance Figy
Theodota Lagouri
Therese Berge Sjursen
Thomas Boettcher
Thomas Christopher Mclachlan
Thomas Strebler
Tibor Zenis
Timothy Michael Knight
Timothy Robert Andeen
Tinghua Chen
Tobias Boeckh
Tobias Neumann
Todd Huffman
Tomas Dado
Tomas Gonzalo
Tomas Komarek
Tomasz Bold
Tomasz Stebel
Tomasz Szumlak
Tracey Berry
Trine Poulsen
Tristan du Pree
Tulika Bose
Uliana Dmitrieva
Vadim Guzey
Valentina Mariani
Valentina Zaccolo
Valeriia Zhovkovska
Valery Schegelsky
Varun Sharma
Vasiliki Mitsou
Verena Ingrid Martinez Outschoorn
Veronica Sanz Gonzalez
Victor Gonzalez
Vieri Candelise
Vincent R. Pascuzzi
Violaine Bellee
Vishu Saini
Vitalii Lisovskyi
Vivek Sharma
Vladimir Pastushenko
Volodymyr Kotlyar
Vytautas Vislavicius
Víctor Martín Lozano
Víctor Rodríguez Bouza
Wafia Bensalem
Walter Alda Junior
Weiguang Cao
Weiming Yao
Weishuang Xu
Witold Kozanecki
Wolfgang Adam
Won Sang Cho
Xavier Coubez
Xiangyang Ju
Xiaohui Liu
Xiaojun Yao
Ximo Poveda Torres
Xingguo Li
Yael Shadmi
Yair Mulian
Yanchun Ding
Yanjun Tu
Yanting Fan
Yassine El Ghazali
Yesenia Hernandez Jimenez
Ying Lin
Ynyr Harris
Yong Du
Yongbin Feng
Yongzhen Hou
Yoshini Bailung
Yotam Soreq
You Zhou
Younes Belmoussa
Young-Min Lee
Yoxara Sánchez Villamizar
Yuhao Wang
Yuki Mitsumori
Yun-Ju Lu
Yvonne Chiara Pachmayer
Zach Marshall
Zachary Michael Schillaci
Zahra Abdy
Zaida Conesa del Valle
Zainab Soumaimi
Zak Lawrence
Zakaria Chadi
Zhangqier Wang
Zhihao Xu
Zhijun Liang
Zhong-Bao Yin
Zijun Xu
Zijun Xu
Zirui Wang
Zulit Paola Arrubarrena Tame
Zuzana Moravcova
Zuzanna Zak
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Opening Plenary: Highlights from LHC and ExperimentsConveners: Giovanni Marchiori (APC, IN2P3 and Université de Paris (Paris, France)), Tulika Bose (University of Wisconsin Madison (US))
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Welcome from the LOCSpeakers: Giovanni Marchiori (APC, IN2P3 and Université de Paris (Paris, France)), Roberto Salerno (Centre National de la Recherche Scientifique (FR))
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The European Strategy for Particle Physics and CERN's futureSpeaker: Fabiola Gianotti (CERN)
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Highlights and perspectives from the ALICE experimentSpeaker: Mateusz Ploskon (Lawrence Berkeley National Lab. (US))
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1:25 PM
Coffee break
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Opening Plenary: Highlights from LHC and Experiments IIConveners: Bruno Mansoulie (Université Paris-Saclay (FR)), Roberto Salerno (Centre National de la Recherche Scientifique (FR))
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Highlights and perspectives from the ATLAS experimentSpeaker: Manuella Vincter (Carleton University (CA))
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Highlights and perspectives from the CMS experimentSpeaker: Gautier Hamel de Monchenault (IRFU, CEA, Université Paris-Saclay (FR))
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Highlights and perspectives from the LHCb experimentSpeaker: Chris Parkes (University of Manchester (GB))
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Report on Diversity, Inclusion and Outreach activities at LHCSpeaker: Brajesh Choudhary (University of Delhi (IN))
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3:05 PM
Coffee break
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TeV-scale BSM: General BSMConveners: Dr Carl Gwilliam (University of Liverpool (GB)), Seema Sharma (Indian Institute of Science Education and Research (IN)), Yael Shadmi (Technion)
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ATLAS + CMS searches beyond inclusive resonances in leptonic final statesSpeaker: Tadej Novak (Deutsches Elektronen-Synchrotron (DE))
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ATLAS + CMS Searches beyond inclusive resonances in hadronic final statesSpeaker: Alberto Orso Maria Iorio (Universita e sezione INFN di Napoli (IT))
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ATLAS + CMS Searches for Di-/Tri-boson resonancesSpeaker: Antonis Agapitos (Peking University (CN))
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Global searches for new physics based on novel event characteristicsSpeaker: Cari Cesarotti (Harvard University)
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Discussion
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BSM - Feebly Interacting Particles: Neutral FIPs and other current experimentsConveners: Emma Torro Pastor (Univ. of Valencia and CSIC (ES)), José Francisco Zurita (IFIC - Univ. of Valencia and CSIC (ES)), Niki Saoulidou (National and Kapodistrian University of Athens (GR)), Dr Vasiliki Mitsou (Univ. of Valencia and CSIC (ES)), Xabier Cid Vidal (Instituto Galego de Física de Altas Enerxías)
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Searches for long-lived particles and Heavy Neutral Leptons: Theory perspectiveSpeaker: Giovanna Cottin (Universidad Adolfo Ibañez)
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Heavy Neutral Lepton searches at the LHCSpeaker: Matthias Komm (CERN)
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Large radius tracking and displaced vertex searches at the LHCSpeaker: Carlos Vazquez Sierra (CERN)
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Searches for displaced and delayed signatures at the LHCSpeaker: Rachel Christine Rosten (Ohio State University (US))
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Searches in current non-LHC experimentsSpeaker: Prof. Christopher Hearty (University of British Columbia (CA))
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Electroweak physics: VBS/VBFConveners: Davide Pagani (Deutsches Elektronen-Synchrotron (DE)), Hang Yin (Central China Normal University CCNU (CN)), Joany Manjarres (Technische Universitaet Dresden (DE)), Dr Pietro Vischia (Universite Catholique de Louvain (UCL) (BE))
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VBS/VBF measurements (without photons) at ATLASSpeaker: Karolos Potamianos (University of Oxford (GB))
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VBS/VBF measurements (without photons) at CMSSpeaker: Matteo Presilla (Universita e INFN, Padova (IT))
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VBS/VBF measurements (with photons) at ATLAS and CMSSpeaker: Ben Harry Smart (Science and Technology Facilities Council STFC (GB))
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Higgs physics: Session 1Conveners: Giuliano Panico (University of Florence and INFN Florence), Kerstin Tackmann (Deutsches Elektronen-Synchrotron (DE)), Meng Xiao (ZJU - Zhejiang University (CN))
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Higgs decays to bosons at ATLAS+CMSSpeaker: Sana Ketabchi (University of Toronto (CA))
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Higgs decays to third-generation fermions at ATLAS+CMSSpeaker: Christina Reissel (ETH Zurich (CH))
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Higgs CP studies at ATLAS+CMSSpeaker: Maria Moreno Llacer (Univ. of Valencia and CSIC (ES))
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Detector performance: Session 1Conveners: Francesco Prino (Universita e INFN Torino (IT)), Nicole Skidmore (University of Bonn (DE)), Nora Emilia Pettersson (CERN), Phat Srimanobhas (Chulalongkorn University (TH))
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Highlight: ATLASSpeaker: Davide Cieri (Max-Planck-Institut fur Physik (DE))
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Highlight: CMS-TOTEMSpeaker: Laurent Forthomme (Helsinki Institute of Physics (FI))
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Highlight: ALICE: reconstruction and TPC calibration in Run 3Speaker: Ernst Hellbar (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))
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Highlight: Forward Physics (LHCf + FASER)Speaker: Eugenio Berti (Universita e INFN, Firenze (IT))
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QCD: Jet substructure and correlations in hadronic final StatesConveners: Ben Nachman (Lawrence Berkeley National Lab. (US)), Prof. Frank Petriello (Northwestern University and Argonne National Lab), Gabor Veres (Eotvos Lorand University (HU)), Joe Osborn (Oak Ridge National Laboratory), Laura Brittany Havener (Yale University (US))
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Recent progress in jet substructure calculationsSpeaker: Daniel Reichelt
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Jet Substructure + Correlations in Hadronic Final States from CMSSpeaker: Markus Seidel (University of Maryland (US))
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Jet Substructure + Correlations in Hadronic Final States from ATLASSpeaker: Robin Newhouse (University of British Columbia (CA))
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Jet Substructure + Correlations in Hadronic Final States from ALICESpeaker: James Mulligan (University of California, Berkeley (US))
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Top physics: Top productionConveners: Gauthier Durieux (CERN), Jose Enrique Palencia Cortezon (Universidad de Oviedo (ES)), Maria Moreno Llacer (Univ. of Valencia and CSIC (ES)), Stephen Farry (University of Liverpool (GB))
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Theory status of Top ProductionSpeaker: Anna Kulesza (University of Muenster)
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Recent Results in Top Pair Production Measurements at the LHCSpeaker: Michele Faucci Giannelli (INFN e Universita Roma Tor Vergata (IT))
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Recent Results in Single Top Production at the LHCSpeaker: Galo Rafael Gonzalvo Rodriguez (Univ. of Valencia and CSIC (ES))
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Associated Top Production at the LHCSpeaker: Barbara Alvarez Gonzalez (Universidad de Oviedo (ES))
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Four Top Production at the LHCSpeaker: Albert Kong (University of Adelaide (AU))
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4:45 PM
Coffee break
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Heavy ions: Quarkonium, exotics and other bound statesConveners: Dr Alexander Rothkopf (University of Stavanger), Hengne Li (South China Normal University (CN)), Maximiliano Puccio (CERN), Qipeng Hu (Lawrence Livermore Nat. Laboratory (US)), Wei Li (Rice University (US))
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New measurements in the quarkonia sector with focus on new discriminatory observablesSpeaker: Minjung Kim (Ruprecht Karls Universitaet Heidelberg (DE))
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X(3872) and exotic quarkonia production in heavy-ionSpeaker: Guillaume Falmagne
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X(3872) and exotic quarkonia production in small systemsSpeaker: John Matthew Durham (Los Alamos National Laboratory)
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(Anti)(Hyper)nuclei production at the LHCSpeaker: Luca Barioglio (Technische Universitaet Muenchen (DE))
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Joint sessions: BSM and Higgs physicsConveners: Carl Gwilliam (University of Liverpool (GB)), Kerstin Tackmann (Deutsches Elektronen-Synchrotron (DE)), Xabier Cid Vidal (Instituto Galego de Física de Altas Enerxías)
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BSM Higgs decays at ATLAS+CMSSpeaker: Javier Montejo Berlingen (CERN)
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Exotic Higgs decays (theory)Speaker: Elina Fuchs (Fermilab and University of Chicago)
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Searches for additional Higgs bosons at ATLAS+CMSSpeaker: Junquan Tao (Institute of High Energy Physics, Chinese Academy of Sciences (CN))
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Discussion
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QCD: Nucleon Structure and Soft QCDConveners: Ben Nachman (Lawrence Berkeley National Lab. (US)), Frank Petriello (Northwestern University and Argonne National Lab), Gabor Veres (Eotvos Lorand University (HU)), Joe Osborn (Oak Ridge National Laboratory), Laura Brittany Havener (Yale University (US))
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Recent theoretical progress in nuclear structureSpeaker: Maria Pia Zurita
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Nucleon Structure and Soft QCD from CMSSpeaker: Rajat Gupta (Panjab University (IN))
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Nucleon Structure and Soft QCD from ATLASSpeaker: Andre Sopczak (Czech Technical University in Prague (CZ))
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Nucleon Structure and Soft QCD from LHCbSpeaker: Agnieszka Oblakowska-Mucha (AGH University of Science and Technology (PL))
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Nucleon Structure and Soft QCD from ALICESpeaker: Sushanta Tripathy (Universita e INFN, Bologna (IT))
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The first experimental observation of the OdderonSpeaker: Frigyes Janos Nemes (CERN (also at Wigner RCP Budapest, Hungary))
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Tools: Theory toolsConveners: Andy Buckley (University of Glasgow (GB)), Loukas Gouskos (CERN), Philip Ilten (University of Cincinnati (US)), Sandro Christian Wenzel (CERN), Stefano Carrazza (CERN)
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High precision calculationsSpeaker: Tobias Neumann (Brookhaven National Laboratory)
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Event generation techniques and toolsSpeaker: Marek Schoenherr (University of Durham (GB))
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BSM develoments and toolsSpeaker: Dr Tomas Gonzalo (Monash University)
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Discussion
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Top physics: Interpretations in final state states with top quarkConveners: Gauthier Durieux (CERN), Jose Enrique Palencia Cortezon (Universidad de Oviedo (ES)), Maria Moreno Llacer (Univ. of Valencia and CSIC (ES)), Stephen Farry (University of Liverpool (GB))
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Bayesian inference and unsupervised ML @ Four-topsSpeaker: Ezequiel Alvarez de los Alvarez de San Luis
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BSM reach of single top-quark measurementsSpeaker: Dr Alberto Tonero (Carleton University)
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BSM searches with top final statesSpeaker: Junpei Maeda (Kobe University (JP))
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EFT Results from ATLASSpeaker: Laura Barranco Navarro (Stockholm University (SE))
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Upgrades: Physics at HL-LHCConveners: Christian Ohm (KTH Royal Institute of Technology (SE)), LianTao Wang (University of Chicago), Magnus Mager (CERN), Saptaparna Bhattacharya (Northwestern University (US)), Silvia Borghi (University of Manchester (GB))
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Physics prospects ALICE in Run 5 and beyondSpeaker: Antonio Uras (Centre National de la Recherche Scientifique (FR))
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Physics with precision timing at HL-LHC with ATLAS and CMSSpeaker: Christian Ohm (KTH Royal Institute of Technology (SE))
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Boosting the physics potential of the HL-LHC ATLAS and CMS experiments with new trigger systemsSpeaker: Swagata Mukherjee (Rheinisch Westfaelische Tech. Hoch. (DE))
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Physics prospects for LHCb upgrade IISpeaker: Francesca Dordei (INFN, Cagliari (IT))
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Plenary I: Top PhysicsConveners: Benjamin Fuks (Centre National de la Recherche Scientifique (FR)), Klaus Monig (Deutsches Elektronen-Synchrotron (DE))
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Theoretical aspects of top physicsSpeaker: Malgorzata Maria Worek (Rheinisch Westfaelische Tech. Hoch. (DE))
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Results on tt+X productionSpeaker: Joshuha Thomas-Wilsker (Chinese Academy of Sciences)
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Top production and decaySpeaker: Sven Menke (Max-Planck-Institut fur Physik (DE))
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Rare production and decay processesSpeaker: Carlo Alberto Gottardo (NIKHEF, Radboud University (Nijmegen))
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2:00 PM
Coffee break
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TeV-scale BSM: SUSYConveners: Carl Gwilliam (University of Liverpool (GB)), Seema Sharma (Indian Institute of Science Education and Research (IN)), Yael Shadmi (Technion)
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ATLAS + CMS Searches for squarks and gluinosSpeaker: Stefio Yosse Andrean (Stockholm University (SE))
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ATLAS + CMS Searches for EWK SUSY in hadronic and semi-leptonic final statesSpeaker: Stefan Guindon (CERN)
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ATLAS + CMS Searches for EWK SUSY in fully leptonic and soft final statesSpeaker: Christian Herwig (Fermi National Accelerator Lab. (US))
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The current state of SUSY and ways forwardSpeaker: Matthew Reece (Harvard University)
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Discussions
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BSM - Feebly Interacting Particles: Dark Photons and ALPs; Future experimentsConveners: Emma Torro Pastor (Univ. of Valencia and CSIC (ES)), José Francisco Zurita, Niki Saoulidou (National and Kapodistrian University of Athens (GR)), Vasiliki Mitsou (Univ. of Valencia and CSIC (ES)), Xabier Cid Vidal (Instituto Galego de Física de Altas Enerxías)
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Theoretical overview of ALPs and Dark PhotonsSpeaker: Patrick Foldenauer
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Searches for ALPs at the LHCSpeaker: Kristof Schmieden (Johannes Gutenberg Universitaet Mainz (DE))
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Searches for Dark Photons at the LHCSpeaker: Federico Leo Redi (EPFL - Ecole Polytechnique Federale Lausanne (CH))
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Status of FASER and MAPPSpeaker: Candan Dozen (Tsinghua University (CN))
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Electroweak physics: Diboson/multibosonConveners: Davide Pagani (Deutsches Elektronen-Synchrotron (DE)), Hang Yin (Central China Normal University CCNU (CN)), Joany Manjarres (Technische Universitaet Dresden (DE)), Pietro Vischia (Universite Catholique de Louvain (UCL) (BE))
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Polarized multiboson production at the LHC and beyondSpeaker: Richard Ruiz (Institute of Nuclear Physics (IFJ) PAN)
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Multiboson measurements (not photon-induced) at ATLASSpeaker: Sabine Wedam Lammers (Indiana University (US))
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Multiboson measurements (not photon-induced) at CMSSpeaker: Alicia Calderon Tazon (Universidad de Cantabria and CSIC (ES))
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Photon-induced processes [theory]Speaker: Marta Luszczak (University of Rzeszow)
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Photon-induced processes at ATLAS and CMSSpeaker: Christophe Royon (The University of Kansas (US))
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Flavour physics: Session 1Conveners: Diego Guadagnoli (LAPTh Annecy), Dmytro Kovalskyi (Massachusetts Inst. of Technology (US)), Michel De Cian (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Sarah Porteboeuf (Université Clermont Auvergne (FR)), Semen Turchikhin (Joint Institute for Nuclear Research (RU))
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SM challengesSpeaker: Javier Virto (Universitat de Barcelona)
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Rare decays in b→s/d sectorSpeaker: Yanting Fan (University of Chinese Academy of Sciences (CN))
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b → c status and prospects with focus on ratio observablesSpeaker: Alessandra Gioventu (Universidade de Santiago de Compostela (ES))
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Bs → mumu status and prospectsSpeaker: Jacco Andreas De Vries (Universiteit Maastricht (NL))
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Higgs physics: Session 2Conveners: Giuliano Panico (University of Florence and INFN Florence), Kerstin Tackmann (Deutsches Elektronen-Synchrotron (DE)), Meng Xiao (ZJU - Zhejiang University (CN))
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Higgs combination at ATLAS+CMSSpeaker: Haider Abidi (Brookhaven National Laboratory (US))
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Higgs EFT benchmarks -- CANCELLED
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HH nonresonant and self-coupling at ATLAS+CMSSpeaker: Laura Pereira Sanchez (Stockholm University (SE))
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HH production in a global EFT Higgs fitSpeaker: Ramona Groeber (Università di Padova and INFN, Sezione di Padova)
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Joint sessions: Heavy ions and QCD
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Nuclear parton distribution functionsSpeaker: Cynthia Keppel (Jefferson Lab)
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New results on the modification of jet structure in Heavy Ion collisionsSpeaker: Helena Santos (LIP - Lisbon)
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Nuclear shadowing and heavy ion UPCs at the LHCSpeaker: Vadim Guzey (NRC Kurchatov Institute PNPI (RU))
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New measurements on Photon-Photon interactionsSpeaker: Ruchi Chudasama (Tata Inst. of Fundamental Research (IN))
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New measurements on diffractive vector mesonsSpeaker: Simone Ragoni (University of Birmingham (GB))
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Joint sessions: Upgrades and performanceConveners: Christian Ohm (KTH Royal Institute of Technology (SE)), Nicole Skidmore (University of Bonn (DE)), Nora Emilia Pettersson (CERN), Saptaparna Bhattacharya (Northwestern University (US))
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Improvements for reconstruction of physics objects with HL-LHC detector upgrades for ATLAS and CMSSpeaker: Adriano Di Florio (Universita e INFN, Bari (IT))
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Use of hardware acceleration for online event reconstruction for Run 3 and laterSpeaker: Marten Ole Schmidt (Ruprecht Karls Universitaet Heidelberg (DE))
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Status and prospects for technical solutions for real-time analysis for Run-3 and laterSpeaker: Miguel Ramos Pernas (University of Warwick (GB))
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Particle identification and tracking with timing detectors in ALICE and LHCb in Run 5Speaker: Stefania Bufalino (Politecnico di Torino (IT))
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HL-LHC Computing Challenges - how can the physics performance be maintained?Speaker: Vincent Pascuzzi (Lawrence Berkeley National Lab. (US))
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3:45 PM
Coffee break
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Plenary II: Beyond the Standard Model - TeV scaleConveners: Andrea Wulzer (CERN and EPFL), Marc Besancon (cea-saclay/dapnia/spp)
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Searches for supersymmetrySpeaker: Elodie Deborah Resseguie (Lawrence Berkeley National Lab. (US))
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Searches for exoticaSpeaker: Halil Saka (University of Cyprus (CY))
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New ideas for TeV-scale model buildingSpeaker: Veronica Sanz Gonzalez (University of Sussex (GB))
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SMEFT and searches for new physicsSpeaker: Alex Pomarol (Universitat Autonoma de Barcelona & IFAE)
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Dark Matter: overview of collider-based and direct / indirect searchesSpeaker: Deborah Pinna (University of Wisconsin Madison (US))
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Plenary III: Electroweak PhysicsConveners: Andrew Pilkington (University Of Manchester), Radja Boughezal (Argonne National Laboratory)
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Low energy probes of the electroweak sectorSpeaker: Michael Ramsey-Musolf (Shanghai Jiao Tong University)
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EWK precision measurementsSpeaker: Ilya Gorbunov (Joint Institute for Nuclear Research (RU))
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Multiboson measurementsSpeaker: Antonio Giannini (Universita e sezione INFN di Napoli (IT))
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VBF and VBS measurementsSpeaker: Roberto Covarelli (University/INFN Torino (IT))
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1:30 PM
Coffee break
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Joint sessions: Flavour physics and QCD
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Heavy-flavour hadron productionSpeaker: Mattia Faggin (Universita e INFN, Padova (IT))
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Experimental measurement of Heavy Flavours and jetsSpeaker: Meena Meena (Panjab University (IN))
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Theoretical view on Heavy Flavours and jetsSpeaker: Maria Ubiali (University of Cambridge)
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New measurements in the quarkonia sectorSpeaker: Valeriia Zhovkovska (Université Paris-Saclay (FR))
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Joint sessions: Higgs and top physicsConveners: Maria Moreno Llacer (Univ. of Valencia and CSIC (ES)), Meng Xiao (ZJU - Zhejiang University (CN))
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ttX calculations and modelingSpeaker: Andrea Ferroglia (New York City College of Technology CUNY)
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ttX results from ATLAS+CMSSpeaker: Peter Johannes Falke (University of Bonn (DE))
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ttH results from ATLAS+CMSSpeaker: Dr Djamel Eddine Boumediene (Université Clermont Auvergne (FR))
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Determination of kappatop from ttbar, 4top, ...Speaker: Emanuele Usai (Brown University (US))
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Joint sessions: Joint BSM sessionConveners: Niki Saoulidou (National and Kapodistrian University of Athens (GR)), Seema Sharma (Indian Institute of Science Education and Research (IN))
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Dark Matter at colliders: theorySpeaker: Victor Martin-Lozano (DESY)
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Search for high mass mediators in ATLAS and CMSSpeaker: Claudio Quaranta (Sapienza Universita e INFN, Roma I (IT))
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Search for low mass mediators in ATLAS and CMSSpeaker: Silvio Donato (Universita & INFN Pisa (IT))
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Mono-jet, Mono-V searches in ATLAS and CMSSpeaker: Varun Sharma (University of Wisconsin Madison (US))
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Mono-Higgs, Mono-top searches in ATLAS and CMSSpeaker: Mariana Toscani (Universidad de Buenos Aires (AR))
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Outreach and diversity: Session 1Conveners: Benoit Blossier (CNRS/Laboratoire de Physique Théorique d'Orsay), Federica Baldassari (CERN), Federico Leo Redi (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Federico Ronchetti (INFN e Laboratori Nazionali di Frascati (IT)), Dr Kate Shaw (University of Sussex (GB))
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LHC and outreachSpeaker: Violaine Bellee (Universitaet Zuerich (CH))
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LHC experiments and their Open DataSpeaker: Edgar Fernando Carrera Jarrin (Universidad San Francisco de Quito (EC))
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The IPPOG Resource Database: Making particle physics outreach & education available worldwideSpeaker: Barbora Bruant Gulejova (Universitaet Bern (CH))
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Tools: Experimental toolsConveners: Andy Buckley (University of Glasgow (GB)), Loukas Gouskos (CERN), Philip Ilten (University of Cincinnati (US)), Sandro Christian Wenzel (CERN), Stefano Carrazza (CERN)
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Advances in detector simulation toolsSpeaker: Samuel Louis Bein (Hamburg University (DE))
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Deep learning approaches in analysisSpeaker: Lukas Alexander Heinrich (CERN)
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GPUs in trigger and reconstruction algorithmsSpeaker: Thomas Boettcher (University of Cincinnati (US))
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Discussion
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Upgrades: Detectors at HL-LHCConveners: Christian Ohm (KTH Royal Institute of Technology (SE)), LianTao Wang (University of Chicago), Magnus Mager (CERN), Saptaparna Bhattacharya (Northwestern University (US)), Silvia Borghi (University of Manchester (GB))
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Novel detector concepts for ALICE for Run 4 and beyondSpeaker: Giacomo Contin (Universita e INFN Trieste (IT))
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145
Status and progress on the ATLAS Phase-II detector upgradesSpeaker: Oleg Solovyanov (Institute for High Energy Physics of NRC Kurchatov Institute (RU))
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146
Status and progress on the CMS Phase-II detector upgradesSpeaker: Nadja Strobbe (University of Minnesota (US))
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Status and progress for LHCb Upgrade-II detectorSpeaker: Silvia Gambetta (The University of Edinburgh (GB))
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Results from commissioning and/or prototypes for new small (HL-)LHC experimentsSpeaker: Friedemann Neuhaus (Johannes Gutenberg Universitaet Mainz (DE))
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3:15 PM
Coffee break
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BSM - Feebly Interacting Particles: Unconventional signaturesConveners: Emma Torro Pastor (Univ. of Valencia and CSIC (ES)), José Francisco Zurita, Niki Saoulidou (National and Kapodistrian University of Athens (GR)), Vasiliki Mitsou (Univ. of Valencia and CSIC (ES)), Xabier Cid Vidal (Instituto Galego de Física de Altas Enerxías)
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Theoretical overview of Dark ShowersSpeaker: Elias Bernreuther (RWTH Aachen University)
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150
Searches for Dark Showers at the LHCSpeaker: Aran Garcia-Bellido (University of Rochester (US))
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151
Searches for Disappearing Tracks, HSCPs and Stopped Particles at the LHCSpeaker: Emma Sian Kuwertz (University of Bristol)
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152
Searches for Anomalous Ionizing Particles, SIMPs, and Monopoles at the LHCSpeaker: Claudia Wulz (Austrian Academy of Sciences (AT))
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Status of MoEDAL and milliQan experimentsSpeaker: Michael Staelens
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Round table discussion
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Flavour physics: Session 2Conveners: Diego Guadagnoli (LAPTh Annecy), Dmytro Kovalskyi (Massachusetts Inst. of Technology (US)), Michel De Cian (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Sarah Porteboeuf (Université Clermont Auvergne (FR)), Semen Turchikhin (Joint Institute for Nuclear Research (RU))
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CP violation in charm with the LHCb experimentSpeaker: Serena Maccolini (Universita e INFN, Bologna (IT))
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CP violation in beauty with the LHCb experimentSpeaker: Alessandro Bertolin (Universita e INFN, Padova (IT))
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CP violation with the ATLAS and CMS experimentsSpeaker: Adam Edward Barton (Lancaster University (GB))
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Theory Overview of CP violation in the Charm sectorSpeaker: Yuval Grossman (Cornell)
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CKM Metrology theorySpeaker: Stefan Schacht (University of Manchester)
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Heavy ions: Collectivity of soft and heavy flavourConveners: Alexander Rothkopf (University of Stavanger), Hengne Li (South China Normal University (CN)), Maximiliano Puccio (CERN), Qipeng Hu (Lawrence Livermore Nat. Laboratory (US)), Wei Li (Rice University (US))
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Collectivity of soft probes in small systemsSpeaker: Tomasz Bold (AGH Univ. of Science and Technology, Krakow (PL))
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Heavy flavor collectivity in small systemsSpeaker: Dr Georgios Krintiras (The University of Kansas (US))
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Collectivity of soft probes in heavy ion collisionsSpeaker: Vytautas Vislavicius (University of Copenhagen (DK))
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Heavy flavor collectivity in heavy ion collisionsSpeaker: Fabrizio Grosa (CERN)
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Collectivity in UPCSpeaker: Peter Alan Steinberg (Brookhaven National Laboratory (US))
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Joint sessions: EFT interpretations
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Theory aspects in global analysesSpeaker: Eleni Vryonidou (University of Manchester (GB))
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Experimental EFT resultsSpeaker: Nicolas Morange (Université Paris-Saclay (FR))
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Open questions from the LHC EFT WGSpeaker: Admir Greljo (Universitaet Bern (CH))
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Discussion
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Outreach and diversity: Session 2Conveners: Benoit Blossier (CNRS/Laboratoire de Physique Théorique d'Orsay), Federica Baldassari (CERN), Federico Leo Redi (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Federico Ronchetti (INFN e Laboratori Nazionali di Frascati (IT)), Kate Shaw (University of Sussex (GB))
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Arts and science in Italy: from high-schools to CERNSpeaker: Dr Pierluigi Paolucci (Universita e INFN of Napoli (IT))
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EEE (Extreme Energy Events)Speaker: Dr Silvia Pisano (INFN e Laboratori Nazionali di Frascati (IT))
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Astronomy for all: a reality even for people with disabilitiesSpeaker: Ludovic Petitdemange
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ResearchAbility: do we really need a more inclusive environment in research?Speaker: Gian Maria Greco (Marie Curie Alumni Association & University of Warsaw)
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Tools: Other toolsConveners: Andy Buckley (University of Glasgow (GB)), Loukas Gouskos (CERN), Philip Ilten (University of Cincinnati (US)), Sandro Christian Wenzel (CERN), Stefano Carrazza (CERN)
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ML and advances in Data Quality MonitoringSpeaker: Suzanne Klaver (Nikhef National institute for subatomic physics (NL))
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Quantum Information Science in HEPSpeaker: Dr Jean-Roch Vlimant (California Institute of Technology (US))
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Advances in Analysis tools/ecosystemSpeaker: Oksana Shadura (University of Nebraska Lincoln (US))
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Discussion
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Upgrades: Future collidersConveners: Christian Ohm (KTH Royal Institute of Technology (SE)), LianTao Wang (University of Chicago), Magnus Mager (CERN), Saptaparna Bhattacharya (Northwestern University (US)), Silvia Borghi (University of Manchester (GB))
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Prospects for future colliders and advanced accelerator technologiesSpeaker: Akira Yamamoto (High Energy Accelerator Research Organization (JP))
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Requirements, emerging technologies, and challenges for detectors at future acceleratorsSpeaker: Didier Claude Contardo (Centre National de la Recherche Scientifique (FR))
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The BSM Physics Case for Future Hadron CollidersSpeaker: Matthew Reece (Harvard University)
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Towards a multi-TeV Muon ColliderSpeaker: Nadia Pastrone (Universita e INFN Torino (IT))
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5:00 PM
Coffee break
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Plenary IV: Beyond the Standard Model - feebly interacting particlesConveners: Laura Patrizii (Universita e INFN, Bologna (IT)), Wolfgang Adam (HEPHY-Vienna)
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FIPs: phenomenology overview and new ideasSpeaker: Gilad Perez (Weizmann)
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Searching for Charged FIPs and HIPS (Monopoles, Dyons, etc) at the LHC and BeyondSpeaker: James Pinfold (University of Alberta (CA))
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Searching for neutral FIPs at LHC and beyondSpeaker: Lawrence Lee Jr (Harvard University (US))
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Cosmology constraints on Dark Sector models for collidersSpeaker: GOUDELIS Andreas (LPC - Clermont Ferrand)
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Plenary V: Flavour PhysicsConveners: Marie-Helene Schune (Université Paris-Saclay (FR)), Sebastien Descotes-Genon (Laboratoire de Physique Théorique d'Orsay)
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Heavy flavour - theorySpeaker: Andreas Crivellin (Universitaet Zuerich (CH))
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Heavy flavour results from non-LHC experimentsSpeaker: Justine Serrano (Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France)
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B-hadrons: CPV and semileptonic decaysSpeaker: Basem Khanji (Technische Universitaet Dortmund (DE))
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Heavy flavour production and spectroscopySpeaker: Jibo He (University of Chinese Academy of Sciences (CN))
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2:00 PM
Coffee break
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TeV-scale BSM: Third generation and flavourConveners: Carl Gwilliam (University of Liverpool (GB)), Seema Sharma (Indian Institute of Science Education and Research (IN)), Yael Shadmi (Technion)
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ATLAS + CMS searches for third generation SUSY particlesSpeaker: Daniel Spitzbart (Boston University (US))
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ATLAS + CMS searches for leptoquarksSpeaker: Edson Carquin Lopez (Federico Santa Maria Technical University (CL))
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ATLAS + CMS searches for vector-like quarksSpeaker: Timothy Robert Andeen (University of Texas at Austin (US))
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Flavour tagging for enhancing sensitivity to new physicsSpeaker: Yotam Soreq (Technion- Israel Institute of Technology (IL))
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Discussion
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Electroweak physics: PrecisionConveners: Davide Pagani (Deutsches Elektronen-Synchrotron (DE)), Hang Yin (Central China Normal University CCNU (CN)), Joany Manjarres (Technische Universitaet Dresden (DE)), Pietro Vischia (Universite Catholique de Louvain (UCL) (BE))
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Precision measurements, W mass, sinθw (theory)Speaker: Ayres Freitas (University of Pittsburgh)
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W mass and angular coefficients measurements ATLAS-CMS-LHCbSpeaker: Martina Pili (University of Oxford (GB))
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Rare decay search ATLAS+CMSSpeaker: Riccardo Salvatico (The University of Kansas (US))
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Discussion
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Flavour physics: Session 3Conveners: Diego Guadagnoli (LAPTh Annecy), Dmytro Kovalskyi (Massachusetts Inst. of Technology (US)), Michel De Cian (EPFL - Ecole Polytechnique Federale Lausanne (CH)), Sarah Porteboeuf (Université Clermont Auvergne (FR)), Semen Turchikhin (Joint Institute for Nuclear Research (RU))
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Classical spectroscopySpeaker: Valentina Mariani (Universita e INFN, Perugia (IT))
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Tetra- and pentaquark "spectroscopy"Speaker: Elisabetta Spadaro Norella (Università degli Studi e INFN Milano (IT))
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Recent Belle2 results and projectionsSpeaker: Frank Meier (Duke University)
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[CANCELLED] LQCD calculations for flavour phenomenology: highlights and prospectsSpeaker: Antoine Gérardin (U. Aix-Marseille)
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Round Table
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Higgs physics: Session 3Conveners: Giuliano Panico (University of Florence and INFN Florence), Kerstin Tackmann (Deutsches Elektronen-Synchrotron (DE)), Meng Xiao (ZJU - Zhejiang University (CN))
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Fiducial and differential measurements at ATLAS+CMSSpeaker: Roberto Seidita (Universita e INFN, Firenze (IT))
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Precision computations for Higgs productionSpeaker: Johannes Michel (MIT CTP)
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Discussion
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Detector performance: Session 2Conveners: Francesco Prino (Universita e INFN Torino (IT)), Nicole Skidmore (University of Bonn (DE)), Nora Emilia Pettersson (CERN), Phat Srimanobhas (Chulalongkorn University (TH))
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Tracking in ATLAS and CMSSpeaker: Mia Tosi (Università degli Studi di Padova & INFN)
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Flavour-tagging / Jet / Met performance in ATLAS and CMSSpeaker: Jonathan Bossio (CERN)
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ALICE: new inner tracker commissioning and impact on vertexing in Run 3Speaker: Ivan Ravasenga (Nikhef National institute for subatomic physics (NL))
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LHCb: tracking and flavour-tagging and PIDSpeaker: Vitalii Lisovskyi (Technische Universitaet Dortmund (DE))
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Round table discussion
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QCD: Precision MeasurementsConveners: Ben Nachman (Lawrence Berkeley National Lab. (US)), Frank Petriello (Northwestern University and Argonne National Lab), Gabor Veres (Eotvos Lorand University (HU)), Joe Osborn (Oak Ridge National Laboratory), Laura Brittany Havener (Yale University (US))
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Recent progress on high order calculations and matching to parton showersSpeaker: Emanuele Re (Unite Reseaux du CNRS (FR))
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Precision QCD Measurements from CMSSpeaker: Salim Cerci (Adiyaman University (TR) - Istanbul University (TR))
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Precision QCD Measurements from ATLASSpeaker: Tibor Zenis (Comenius University (SK))
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Precision QCD Measurements from LHCbSpeaker: Marcin Kucharczyk (Polish Academy of Sciences (PL))
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Precision QCD Measurements from ALICESpeaker: Dimitar Lubomirov Mihaylov (Technische Universitaet Muenchen (DE))
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Top physics: Top mass and propertiesConveners: Gauthier Durieux (CERN), Jose Enrique Palencia Cortezon (Universidad de Oviedo (ES)), Maria Moreno Llacer (Univ. of Valencia and CSIC (ES)), Stephen Farry (University of Liverpool (GB))
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Top Properties and Asymmetry measurements at the LHCSpeaker: Nils Faltermann (KIT - Karlsruhe Institute of Technology (DE))
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Top Measurement Highlights at CMSSpeaker: Mintu Kumar (Tata Inst. of Fundamental Research (IN))
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Top Measurement Highlights at ATLASSpeaker: Stefan Richter (DESY)
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Theory status of top propertiesSpeaker: Alexander Mitov (University of Cambridge (GB))
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General Discussion
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Coffee break
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Plenary VI: Higgs PhysicsConveners: Jeonghyeon Song (Konkuk University), Rosy Nikolaidou (Université Paris-Saclay (FR))
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Probing the SMEFT using the electroweak sectorSpeaker: Shankha Banerjee (CERN)
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Higgs physics - experimental talkSpeaker: Pierluigi Bortignon (INFN Padova (IT) and Universita di Cagliari)
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Rare and BSM Higgs decaysSpeaker: Imma Riu (IFAE Barcelona (ES))
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Precision calculations of Higgs boson propertiesSpeaker: Bernhard Mistlberger (SLAC National Accelerator Laboratory (US))
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Constraints on BSM from the Higgs sectorSpeaker: Jorge de Blas (Universidad de Granada (ES))
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Poster Session
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232
$\rm \Omega_{c}^{0}$ production cross section in pp collisions at $\sqrt{s}=$ 13 TeV with ALICE
Recent measurements of charm-baryon production at midrapidity by the ALICE collaboration in pp collisions show baryon-over-meson ratios significantly higher than those in $\rm e^+e^-$ collisions for different charm-hadron species. The charmed baryon-to-meson and charmed baryon-to-baryon ratios provide unique information on hadronisation mechanisms. In this poster, the first measurement of production cross section of $\rm \Omega_{c}^{0}$ via the hadronic decay channel $\rm \Omega_{c}^{0} \rightarrow \pi^{+} \Omega^{-}$ (and its charge conjugate) in $2
Speaker: Jianhui Zhu (Central China Normal University CCNU (CN)) -
233
$\rm{\Lambda^{+}_{c}}$ cross section in pp and p--Pb collisions down to $p_{\rm T}$ = 0 at $\sqrt{s_{\rm NN}}$ = 5.02 TeV measured with ALICE
The production cross sections of open heavy-flavour hadrons are typically described within the factorisation approach as the convolution of the parton distribution functions of the incoming protons, the perturbative QCD partonic cross section, and the fragmentation functions. These last are typically parametrised from measurements in ${\rm e^+e^-}$ collisions. Measurements of charm-baryon production are crucial to study the charm quark hadronisation in pp and p--Pb collisions and its difference with respect to ${\rm e^+e^-}$ collisions. Furthermore, measurements of charm-baryon production in p--Pb collisions provide important information about Cold Nuclear Matter (CNM) effects quantified in the nuclear modification factor $R_{\rm pPb}$. Measurements in p--Pb collisions also help us to understand how the possible presence of collective effects could modify the production of heavy-flavour hadrons and to find similarities among pp, p--Pb and Pb--Pb systems.
In this poster, the latest measurements of $\Lambda^+_{\rm c}$ performed with the ALICE detector at midrapidity in pp, and the new measurement performed down to $p_{\rm T}=0$ in p--Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV are presented. This allows us to show the first ALICE measurement of $\Lambda^+_{\rm c}/{\rm D^0}$ and $\Lambda^+_{\rm c}$ $R_{\rm pPb}$ down to $p_{\rm T}$ = 0 in p--Pb collisions. The $\Lambda^+_{\rm c}/{\rm D^0}$ ratio at midrapidity in small systems is significantly higher than the one in ${\rm e^+e^-}$ collisions, suggesting that the fragmentation of charm is not universal across different collision systems. Results are compared with theoretical calculations.Speaker: Annalena Sophie Kalteyer (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE)) -
234
A High-Granularity Timing Detector for the ATLAS Phase-II upgrade
The increase of the particle flux (pile-up) at the HL-LHC with instantaneous luminosities up to
L ~ 7.5 × 10$^{34}$ cm$^{-2}$s$^{-1}$ will have a severe impact on the ATLAS detector reconstruction and trigger performance. The end-cap and forward region where the liquid Argon calorimeter has coarser granularity and the inner tracker has poorer momentum resolution will be particularly affected. A High Granularity Timing Detector (HGTD) will be installed in front of the LAr end-cap calorimeters for pile-up mitigation and luminosity measurement.
The HGTD is a novel detector introduced to augment the new all-silicon Inner Tracker in the pseudo-rapidity range from 2.4 to 4.0, adding the capability to measure charged-particle trajectories in time as well as space. Two silicon-sensor double-sided layers will provide precision timing information for minimum-ionising particles with a resolution as good as 30 ps per track in order to assign each particle to the correct vertex. Readout cells have a size of 1.3 mm × 1.3 mm, leading to a highly granular detector with 3.7 million channels. Low Gain Avalanche Detectors (LGAD) technology has been chosen as it provides enough gain to reach the large signal over noise ratio needed.
The requirements and overall specifications of the HGTD will be presented as well as the technical design and the project status. The on-going R&D effort carried out to study the sensors, the readout ASIC, and the other components, supported by laboratory and test beam results, will also be presented.Speaker: Asmaa Aboulhorma (Universite Mohammed V (MA)) -
235
A Search for Lepton-Flavour-Violating Z->etau and Z->mutau Decays with the ATLAS Experiment
In the Standard Model (SM), lepton flavour is conserved in all interactions.
Hence, any observation of lepton flavour violation (LFV) would be an
unambiguous sign of physics beyond the SM (BSM), and LFV processes are
predicted by numerous BSM models.
One way to search for LFV is in the decay of gauge bosons.
In the search presented here, the decay of the Z boson to an electron-tau or
muon-tau pair is investigated using the full Run 2 pp collision data set at
sqrt(s) of 13TeV recorded by the ATLAS experiment at the LHC.
The analysis exploits tau decays into hadrons and - for the first time in this
channel in ATLAS - into leptons.
A key ingredient of the search is the usage of a neural net to differentiate
between signal and background events in order to make optimum use of the data.
Combined with about 8 billion Z decays recorded by ATLAS in Run 2 of the LHC,
the strongest constraints to date are set with Br(Z->etau)<5.0e-6 and
Br(Z->mutau)<6.5e-6 at 95% confidence level
- finally superseding the limits set by the LEP experiments more than two
decades ago.Speaker: Ann-Kathrin Perrevoort (Nikhef National institute for subatomic physics (NL)) -
236
AFP Performance in the Low Pile-up Runs
Since 2016 ATLAS detector is equipped with new devices - ATLAS Forward Proton (AFP) detectors. AFP aims to measure protons scattered at very small angles, which are a natural signature of so-called diffractive events. Measurement of properties of diffractive events usually require low pile-up data-taking conditions. AFP performance in such special, low pile-up runs, including evaluation of detector efficiency, will be presented.
Speaker: Maciej Piotr Lewicki (Polish Academy of Sciences (PL)) -
237
Analysis of b-jets production in p–Pb and pp collisions at √sNN = 5.02 TeV with ALICE
Production of beauty quarks takes place mostly in initial hard scattering processes and can be calculated using perturbative quantum chromodynamics (pQCD). Thanks to excellent particle tracking capabilities, the ALICE experiment at the LHC is able to reconstruct beauty-hadron decay vertices, displaced hundreds of micrometers from the primary interaction vertex. The poster will present inclusive pT spectra of b jets measured in p–Pb and pp collisions at √sNN = 5.02 TeV, the corresponding nuclear modification factor, and the fraction of b jets among inclusive jets. The production cross-section of b jets was measured down to 10 GeV/c which is lower than in previous measurements of b jets done at the LHC. Low pT b-jets are expected to be more sensitive to cold nuclear matter effects in p–Pb collisions. They are an important reference for future Pb–Pb measurements, where their production provides information on color and parton mass dependence of parton energy loss.
Speaker: Artem Isakov (Czech Academy of Sciences (CZ)) -
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Angular correlations of heavy-flavour decay electrons and charged particles in pp and p-Pb collisions $\sqrt{s_{\rm NN}}=$ 5.02 TeV with ALICE at LHC.
Heavy quarks (charm, beauty), due to the large masses, mainly originate via hard partonic scattering processes in high-energy hadronic collisions. They evolve as parton showers and hadronize as back-to-back jet events.
Two particles azimuthal angular correlations triggered by electrons from heavy-flavour hadron decays can be used for heavy-flavor jet studies. Such correlation distributions contains a near-side peak around $\Delta\varphi = 0$ formed by particles associated with a high-$p_{\rm T}$ trigger particle, and an away-side peak around $\Delta\varphi = \pi$. By changing the momentum scales of the trigger and associated particles one can study the heavy-flavour jet structure. In pp collisions, heavy-flavour correlations can be used to study the production and fragmentation of heavy-quarks. In p-Pb collisions, heavy-flavour correlations can be used to test cold nuclear matter and gluon saturation effects.
In this poster, we present the current status and results of the ALICE measurement of azimuthal angular correlations of high-$p_{\rm T}$ heavy-flavour decay electrons with charged particles in pp and p-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV from the LHC Run 2 data. The results from pp and p-Pb collisions will be compared with each other to investigate any modification due to cold nuclear matter effect.
Speaker: Ravindra Singh (Indian Institute of Technology Indore (IN)) -
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Apparent modification of the jet-like yield in high multiplicity proton-proton collisions
In this work we present the production of charged particles associated with high-$p_{\rm T}$ trigger particles ($8<\textit{p}_{\rm T}^{\rm trig.}<15$ GeV/$c$) at midrapidity in proton-proton collisions at $\sqrt{s}=5.02$,TeV simulated with the PYTHIA 8 Monte Carlo model [1]. The study is performed as a function of the relative transverse activity classifier, $R_{\rm T}$, which is the relative charged-particle multiplicity in the transverse region ($\pi/3< \phi^{\rm trig.}-\phi^{\rm assoc.}|<2\pi/3$) of the di-hadron correlations, and it is sensitive to the Multi-Parton Interactions. The evolution of the yield of associated particles on both the towards and the away regions ($3\leq p_{\rm T}^{\rm assoc.}< 8$ GeV/$c$) as a function of $R_{\rm T}$ is investigated. We propose a strategy which allows for the modelling and subtraction of the Underlying Event (UE) contribution from the towards and the away regions in challenging environments like those characterised by large $R_{\rm T}$. We found that the signal in the away region becomes broader with increasing $R_{\rm T}$. Contrarily, the yield increases with $R_{\rm T}$ in the towards region. This effect is reminiscent of that seen in heavy-ion collisions, where an enhancement of the yield in the towards region for 0-5% central Pb$-$Pb collisions at $\sqrt{s_{\rm NN}}=2.76$,TeV was reported. To further understand the role of the UE and additional jet activity, the transverse region is divided into two one-sided sectors, "trans-max" and "trans-min" selected in each event according to which region has larger or smaller charged particle multiplicity. Based on this selection criterium, the observables are studied as a function of $R_{\rm T}^{\rm max}$ and $R_{\rm T}^{\rm min}$, respectively. Results for pp collisions simulated with PYTHIA 8.244 and Herwing 7.2 will be shown.
[1] J.Phys.G 48 (2020) 1, 015007
Speaker: Gyula Bencedi (Universidad Nacional Autonoma (MX)) -
240
ATLAS LAr Calorimeter Commissioning for LHC Run-3
Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region |η| < 3.2, and for hadronic and forward calorimetry in the region from |η| = 1.5 to |η| = 4.9. In the first LHC run a total luminosity of 27 fb$^{−1}$ has been collected at center-of-mass energies of 7-8 TeV. After detector consolidation during a long shutdown, Run-2 started in 2015 and about 150 fb$^{-1}$ of data at a center-of-mass energy of 13 TeV was recorded. With the end of Run-2 in 2018 a multi-year shutdown for the Phase-I detector upgrades was begun.
As part of the Phase-I upgrade, new trigger readout electronics of the ATLAS Liquid-Argon Calorimeter have been developed. Installation began at the start of the LHC shut down in 2019 and is expected to be completed in 2020. A commissioning campaign is underway in order to realize the capabilities of the new, higher granularity and higher precision level-1 trigger hardware in Run-3 data taking. This contribution will give an overview of the new trigger readout commissioning, as well as the preparations for Run-3 detector operation and changes in the monitoring and data quality procedures to cope with the increased pileup.Speaker: Marcos Vinicius Silva Oliveira (CERN) -
241
ATLAS searches extra dimensions for using the full Run 2 ee and mumu datasets
This poster summarises the extra dimensional models being searched for using the ATLAS detector at the Large Hadron Collider, in the full Run 2 dielectron and dimuon datasets. This data was produced in proton-proton collisions at a centre-of-mass energy of 13 TeV. In particular, the limits on the ADD model are presented, from a reinterpretation of the ATLAS Run 2 dilepton non-resonant analysis. Also highlighted, is a novel search being performed for clockwork extra dimensions.
Speaker: Tracey Berry (University of London (GB)) -
242
Charm is better than beauty: searching for the Higgs coupling to charm quarks
Eight years ago, the discovery of a new fundamental particle, the Higgs boson (H), was announced by the ATLAS and CMS collaborations at CERN. While elementary particles acquire their mass through their interaction with the Higgs field, the large differences in their masses as well as the origin of the three generations of fermions remain unexplained to this day and constitute the Standard Model flavour puzzle.
Measuring the coupling of each fermion to the Higgs boson is one of the most important tasks in modern particle physics. The next most promising candidate in the quark sector is the decay to a pair of charm quark and antiquark (cc).
This poster will focus on the analysis of the associated production of the Higgs boson with a W or Z boson performed by the ATLAS Collaboration using data collected between 2015 and 2018, and will describe the analysis strategy employed to search for the H→cc signal. More precisely, recent achievements in the charm tagging technology that enables the identification of jets containing charm hadrons will be presented. Our current understanding of the H→cc process will be outlined, and the various results of the ATLAS, CMS and LHCb collaborations will be compared. Finally, the interpretation of this new result as a probe to the Standard Model flavour puzzle and its large constraining power on new physics scenarios will be discussed.Speaker: Marko Stamenkovic (Nikhef National institute for subatomic physics (NL)) -
243
CMS RPC activities during LS2 and Commissioning
The second LHC long shutdown period (LS2) was a crucial opportunity for the CMS Resistive Plate Chambers (RPC) to complete their consolidation and upgrade projects. The consolidation includes detector maintenance for gas tightness, HV (high voltage), LV (low voltage) and slow control operation. Dedicated studies were performed to understand the behaviour of RPC currents with comparison to RUN2. This paper summarises the activities performed and commissioning of CMS RPC on the surface (For RE4) and for full detector in CMS cavern in different operating conditions.
Speaker: Mapse Barroso Ferreira Filho (Universidade do Estado do Rio de Janeiro (BR)) -
244
Colour and logarithmic accuracy in final-state parton showers
Standard dipole parton showers are known to yield incorrect subleading-colour contributions to the leading (double) logarithmic terms for a variety of observables. In this work, concentrating on final-state showers, we present two simple, computationally efficient prescriptions to correct this problem, exploiting a Lund-diagram type classification of emission regions. We study the resulting effective multiple-emission matrix elements generated by the shower, and discuss their impact on subleading colour contributions to leading and next-to-leading logarithms (NLL) for a range of observables. In particular we show that the new schemes give the correct full colour NLL terms for global observables and multiplicities. Subleading colour issues remain at NLL (single logarithms) for non-global observables, though one of our two schemes reproduces the correct full-colour matrix-element for any number of energy-ordered commensurate-angle pairs of emissions. While we carry out our tests within the PanScales shower framework, the schemes are sufficiently simple that it should be straightforward to implement them also in other shower frameworks.
Speaker: Rok Medves (University of Oxford) -
245
Combined Constraints on First Generation Leptoquarks
We present a combined analysis of low energy precision constraints and LHC searches for leptoquarks which couple to first generation fermions. Considering all ten leptoquark representations, five scalar and five vector ones, we study at the precision frontier the constraints from $K\to\pi\nu\nu$, $K\to\pi e^+e^-$, $K^0-\bar K^0$ and $D^0-\bar D^0$ mixing, as well as from experiments searching for parity violation (APV and QWEAK). We include LHC searches for $s$-channel single resonant production, pair production and Drell-Yan-like signatures of leptoquarks. Particular emphasis is placed on the recent CMS analysis of lepton flavour universality violation in non-resonant di-lepton pairs. The excess in electron events could be explained by $t$-channel contributions of the leptoquark representations $\tilde{S}_1, S_2, S_3, \tilde{V}_1, V_2 (\kappa_2^{RL} \neq 0)$ and $V_3$ without violating other bounds. Regarding the so-called ``Cabibbo angle anomaly'', we observe that the present constraints are too restrictive to allow for a resolution via direct leptoquark contributions to super-allowed beta decays.
Speaker: Luc Schnell -
246
Constraining the Dark Sector with the Mono-jet signature with the ATLAS detector at the LHC
Several Dark Sector models predict the existence of particles with macroscopic life-times and semi-visible jets (QCD-like jets which include stable Dark Sector particles). These can lead to final states with large missing transverse momentum recoiling against at least one highly energetic jet, a signature that is often referred to as a mono-jet.
The RECAST framework is used to re-interpret the recent ATLAS mono-jet search, based on 139 $\mathrm{fb^{-1}}$ of pp collisions collision data at $\sqrt{s} = 13$ TeV, in terms of Dark Sector models not studied in the original work. Complementary results for models involving long-lived particles are found with respect to dedicated searches. Results are also interpreted for the first time at ATLAS in terms of searches for semi-visible jets produced from a QCD-like parton shower.Speaker: Elena Pompa Pacchi (Sapienza Universita e INFN, Roma I (IT)) -
247
Convolutional Neural Networks for event classification
In this study, a new technique for event classification using Convolutional Neural Networks (CNN) is presented. Results obtained using this technique are shown and compared to more traditional Machine Learning approaches for two different physics cases.
The new technique explores the power of visual recognition, which is one of the fastest-growing areas in Artificial Intelligence, as a consequence of the “deep learning” evolution of CNNs. Since CNNs are fed with images, an original and intuitive way for encoding the event information in images has been developed, building a one-to-one correspondence that allows us to face the event classification as an image classification.
In order to take advantage of the good performance of existing CNN architectures, transfer learning has been tested, showing to be a suitable option. VGG16 has been chosen as the benchmark, which is based on the well-known architecture named AlexNet. Additionally, an alternative approach with a simpler CNN architecture has shown to give also good results when trained from scratch. Nevertheless, a comparison with a more standard technique such as a BDT (using the XGBoost library) is provided in order to confirm that the results obtained with this unexplored technique are satisfactory.
The two classifications studied correspond to current challenges in Particle Physics. First, a New Physics example corresponding to a Dark Matter search has been performed, considering a mono-top signal and several of its main background processes. The selected events were required to have exactly one lepton and at least one b-tagged jet, together with large missing transverse momentum. Second, with the same selection criteria, a tt+X classification is also carried out, in which exotic processes with four top quarks as final state are tried to be identified among other processes such as ttH or ttW.Speaker: Adrian Rubio Jimenez (Univ. of Valencia and CSIC (ES)) -
248
Correlation between initial spatial anisotropy and final momentum anisotropies in relativistic heavy ion collisions
The momentum anisotropy ($v_{n}$) of the produced particles in relativistic nuclear collisions is considered to be a response of the initial geometry or the spatial anisotropy ($\varepsilon_{n}$) of the system formed in these collisions. The linear correlation between $\varepsilon_{n}$ and $v_{n}$ measures the efficiency at which the initial spatial eccentricity is converted to final momentum anisotropy in heavy ion collisions. We have studied the transverse momentum, collision centrality, and beam energy dependence of this correlation for different charged particles using a hydrodynamical model framework MUSIC. The ($\varepsilon_{n}$ − $v_{n}$) correlation is found to be stronger for central collisions and also for n=2 compared to that for n=3 as expected. However, the transverse momentum ($p_{T}$) dependent correlation coefficient shows interesting behaviour which strongly depends on the mass as well as $p_{T}$ of the produced particles. The correlation strength is found to be larger for lighter particles in the lower $p_{T}$ region. We have seen that the relative fluctuation in anisotropic flow depends strongly in the value of $\eta/s$ specially in the region $p_{T}<$ 1 GeV unlike the correlation coefficient which does not show significant dependence on $\eta/s$
Speaker: Sanchari Thakur (Department of Atomic Energy (IN)) -
249
Cosmics muon validation and electronics performance of the New Small Wheel MicroMegas sectors for ATLAS Muon Upgrade
The ATLAS Muon Upgrade project is a part of the Large Hadron Collider (LHC) - High Luminosity (HL) upgrade project which aims to increase its instantaneous luminosity up to 7.5X10$^{34}$ cm$^{−2}$s$^{−1}$. The present first muon station in the forward regions of ATLAS is being replace by the so-called New Small Wheels (NSWs). The NSWs consist of resistive-strip MicroMegas (MM) detectors and small-strip Thin Gap chambers (sTGC), both providing trigger and tracking capabilities, for a total active surface of more than 2500 m$^2$. After the R&D, design and prototyping phase, series production of MM and sTGC chambers are being constructed. The NSW Upgrade project, the most challenging and complex one of the ATLAS phase-I upgrade projects, is expected to be completed with the installation of NSW in the ATLAS Underground cavern during the summer of 2021. The whole NSW structure includes 128 detectors, in total to ∼2.4 million readout channels. This new generation of readout electronics are built to stand the harsh radiation hostile conditions, where the expected background rate will reach 20 kHz/cm$^2$. Eight micromegas detectors layers are integrated into a double wedge. The mechanical integration is followed by the electronic integration and its initial validation into the data acquisition system. Each fully equipped MicroMegas doublewedge is tested at a dedicated cosmic ray facility and the high voltage settings are defined. Then, a sequence of tests follows, related to efficiency maesurement , cluster size, resolution for all the individual layers of the double wedge are performed. These steps consist the qualification of the MicroMegas sector for the final integration with the sTGC wedges before mounting them on the NSW structure. The electronics performance and cosmic rays validation results of the final validation
of Micromegas double wedges will be presented.Speaker: Maria Perganti (National Technical Univ. of Athens (GR)) -
250
CP-violating observables and top-pair production at LHC.
We study new physics contributions to CP-violating anomalous couplings of top-quark in the context of top-pair production and their consequent decays into a pair of dilepton and b-jets at the Large Hadron Collider. An estimate of sensitivities to such CP-violating interactions would also be discussed for the pre-existing 13 TeV LHC data and its projections for the proposed LHC run at 14 TeV.
Speaker: Ms Apurba Tiwari (Aligarh Muslim University) -
251
Deep Neural Network resizing for real-time applications in High Energy Physics
Next-generation collider experiments will have to cope with extremely high collision rates, making it necessary to implement real-time event processing capabilities. Among the standard pattern recognition algorithms thought to be run on Look-Up Tables, Machine Learning methods, and in particular Deep Neural Networks, are spreading very fast and there is growing interest in executing such algorithms at trigger level to improve on-line selection performance. The main issue in running these algorithms in real-time is the amount of operation that needs to be computed. Low-latency hardware solutions exist, e.g. FPGAs, but the main constraint to the implementation is often related to the size of the model, that has to be finely tuned not to exceed the available memory. We present an approach to reduce in an optimized way the size of models based on Fully Connected Neural Networks, having under control the model performances. The number of features in input to the Deep Neural Network is reduced using a CancelOut layer, optimized through an original loss function. We compare the performances of this approach with other techniques. We use as baseline study the selection of proton-proton collision events in which the boosted Higgs boson decays to two $b$-quarks and both the decay products are contained in a large and massive jet. These events have to be selected against an overwhelming QCD background. Promising results are shown and the way for future developments is outlined.
Speaker: Mr Andrea Di Luca (Universita degli Studi di Trento and INFN (IT)) -
252
Development of a L1 tau trigger algorithm using the CMS high-granularity calorimeter information
The High-Luminosity LHC will open an unprecedented window on the weak-scale nature of the universe, providing high-precision measurements of the Standard Model (SM) as well as searches for new physics beyond the SM. The CMS Collaboration is planning to replace entirely its trigger and data acquisition systems to match this ambitious physics program. Efficiently collecting datasets in Phase 2 will be a challenging task, given the harsh environment of 200 proton-proton interactions per LHC bunch crossing. The already challenging implementation of an efficient tau lepton trigger will become, in this conditions, an even crucial and harder task; especially interesting will be the case of hadronically decaying taus. To this end, the foreseen high-granularity endcap calorimeter (HGCAL), and the astonishing amount of information it will provide, play a key role in the design of the new online level-1 (L1) triggering system. In this talk I will present the development of a L1 trigger for hadronically decaying taus based on the sole information from the HGCAL detector. I will present some novel ideas for a L1 trigger based on machine learning that can be implemented in FPGA firmware. The expected performance of the new trigger algorithm will be presented, based on simulated collision data of the HL-LHC.
Speaker: Mr Jona Motta (Centre National de la Recherche Scientifique (FR)) -
253
Development of DAQ to DCS communication in the ATLAS Inner Tracker
The increase of luminosity foreseen for the High-Luminosity LHC phase requires the substitution of the ATLAS Inner Detector with a new tracking detector, called Inner Tracker. It will be an all-silicon system consisting of a pixel and a strip subdetector. The ATLAS wide FELIX system will be the off-detector interface to the Inner Tracker.
In order to efficiently bring the Inner Tracker into operation, the intercommunication between the DAQ and the DCS is foreseen. Such communication is mediated by OPC servers that interface to the different hardware and software resources and to the Finite State Machine, which supervises all subdetectors. This framework is designed to be flexible, so that it can easily incorporate heterogeneous resources coming from different subsystems, including the FELIX setups.
This poster describes the current status of the implementation of OPC servers for the intercommunication between the DAQ and the DCS and their integration in the FELIX setups.Speaker: Alessandra Palazzo (INFN Lecce e Universita del Salento (IT)) -
254
Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC
To meet new TDAQ buffering requirements and withstand the high expected radiation doses at the high-luminosity LHC, the ATLAS Liquid Argon Calorimeter readout electronics will be upgraded. The triangular calorimeter signals are amplified and shaped by analogue electronics over a dynamic range of 16 bits, with low noise and excellent linearity. Developments of low-power preamplifiers and shapers to meet these requirements are ongoing in 130nm CMOS technology. In order to digitize the analogue signals on two gains after shaping, a radiation-hard, low-power 40 MHz 14-bit ADCs is developed using a pipeline+SAR architecture in 65 nm CMOS. Characterization of the prototypes of the frontend components show good promise to fulfill all the requirements. The signals will be sent at 40 MHz to the off-detector electronics, where FPGAs connected through high-speed links will perform energy and time reconstruction through the application of corrections and digital filtering. Reduced data are sent with low latency to the first level trigger, while the full data are buffered until the reception of trigger accept signals. The data-processing, control and timing functions will be realized by dedicated boards connected through ATCA crates. Results of tests of prototypes of front-end components will be presented, along with design studies on the performance of the off-detector readout system.
Speaker: Mesut Unal (University of Texas at Austin (US)) -
255
Development of the Configuration, Calibration and Monitoring System of the New Small Wheel Electronics for the ATLAS experiment
A series of upgrades are planned for the LHC accelerator to increase it's instantaneous luminosity to 7.5×10$^{34}$ cm$^{-2}$s$^{-1}$. The luminosity increase drastically impacts the ATLAS trigger and readout data rates. The present ATLAS Small Wheel Muon detector will be replaced with a New Small Wheel (NSW) detector which is expected to be installed in the ATLAS underground cavern by the end of the Long Shutdown 2 of the LHC. One crucial part of the integration procedure concerns the installation, testing and validation of the on-detector electronics and readout chain for a very large system with a more than 2.1 M electronic channels in total. These include 7K Front-End Boards (MMFE8, SFEB, PFEB), custom printed circuit boards each one housing eight 64-channel VMM Application Specific Integrated Circuits (ASICs) that interface with the ATLAS Trigger and Data Acquisition (TDAQ) system through 1K data-driver cards. The readout chain is based on optical link technology (GigaBit Transceiver links) connecting the backend to the front-end electronics via the Front-End LInk eXchange (FELIX), is a newly developed system that will serve as the next generation readout driver for ATLAS. For the configuration, calibration and monitoring path, the various electronics boards are supplied with the GBT-SCA ASIC (Giga-Bit Transceiver-Slow Control Adapter) which is part of the Gigabit Transceiver Link(GBT) chipset and it's purpose is to distribute control and monitoring signals to the electronics embedded in the detectors and in the ATLAS service areas. Experience and performance results from the first large-scale electronics integration tests performed at CERN on final NSW sectors will be presented.
Speaker: Polyneikis Tzanis (National Technical Univ. of Athens (GR)) -
256
Differential cross section measurements of the tW process at CMS
Single top quark production is the subleading production process of top quarks at the LHC after the top quark pair production. The latest differential measurements of single top quark production (tW) cross sections are presented using data collected by the CMS detector at a center-of-mass energy of 13 TeV. The cross sections are measured as a function of various kinematic observables of the top quarks and the jets and leptons of the events in the final state. The results are confronted with precise theory calculations.
Speaker: Mr Victor Rodriguez Bouza (Universidad de Oviedo - ICTEA (ES)) -
257
Event-Level Anomaly Detection for Multijet BSM Searches with Probabilistic Autoencoders
Although most of Beyond Standard Model (BSM) searches are targeting specific theory models, there has always been a keen interest in the development of model-independent methods amongst the High Energy Physics(HEP) community. Machine Learning (ML) based anomaly detection stands among the latest up-and-coming avenues for creating model-agnostic BSM searches. The focus of this research is the design of anomalous event taggers based on autoencoder models. Alongside the signal discrimination power, a high priority is placed on both signal-model and background-model independence. To this end, the autoencoder is used in conjunction with a Normalizing Flow model tasked with latent space density estimation. Both event reconstruction error and latent representation likelihood are combined in order to mitigate the bias of the resulting event anomaly score. Overall this method is showing promising anomaly detection performance without loosing much in terms of generalization power. On the multijet LHC Olympics data, it is consistently able to identify BSM signals, even in the challenging scenarios posed by the Black Box datasets, where the signal content is unknown.
Speaker: Ioan-Mihail Dinu (Horia Hulubei National Institute of Physics and Nuclear Enginee) -
258
Evidence for four-top-quark production in the multilepton final state in proton-proton collisions at sqrt(s)=13 TeV with the ATLAS detector
A search is presented for four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider with an integrated luminosity of 139/fb. Events are selected if they contain a same-sign lepton pair or at least three leptons (electrons or muons). Jet multiplicity, jet flavour and event kinematics are used to separate signal from the background through a multivariate discriminant, and dedicated control regions are used to constrain the dominant backgrounds. The four-top-quark production cross section is measured to be 24 +7 -6 fb. This corresponds to an observed (expected) si
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