9th Edition of the Large Hadron Collider Physics Conference

Europe/Paris
Zoom

Zoom

Tulika Bose (University of Wisconsin Madison (US)), Dave Charlton (University of Birmingham (GB)), Giovanni Marchiori (APC, IN2P3 and Université de Paris (Paris, France)), Roberto Salerno (Centre National de la Recherche Scientifique (FR))
Description

The Ninth Annual Large Hadron Collider Physics (LHCP2021) conference is planned in Paris online from 7th to 12th June 2021


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. 


 

MAIN DEADLINES
Registration
 
  - 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
Contact email
Participants
  • 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
    • Opening Plenary: Highlights from LHC and Experiments
      Conveners: Giovanni Marchiori (APC, IN2P3 and Université de Paris (Paris, France)), Tulika Bose (University of Wisconsin Madison (US))
    • 1:25 PM
      Coffee break
    • Opening Plenary: Highlights from LHC and Experiments II
      Conveners: Bruno Mansoulie (Université Paris-Saclay (FR)), Roberto Salerno (Centre National de la Recherche Scientifique (FR))
    • 3:05 PM
      Coffee break
    • TeV-scale BSM: General BSM
      Conveners: Dr Carl Gwilliam (University of Liverpool (GB)), Seema Sharma (Indian Institute of Science Education and Research (IN)), Yael Shadmi (Technion)
    • BSM - Feebly Interacting Particles: Neutral FIPs and other current experiments
      Conveners: 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)
    • Electroweak physics: VBS/VBF
      Conveners: 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))
    • Higgs physics: Session 1
      Conveners: Giuliano Panico (University of Florence and INFN Florence), Kerstin Tackmann (Deutsches Elektronen-Synchrotron (DE)), Meng Xiao (ZJU - Zhejiang University (CN))
    • Detector performance: Session 1
      Conveners: Francesco Prino (Universita e INFN Torino (IT)), Nicole Skidmore (University of Bonn (DE)), Nora Emilia Pettersson (CERN), Phat Srimanobhas (Chulalongkorn University (TH))
    • QCD: Jet substructure and correlations in hadronic final States
      Conveners: 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))
    • Top physics: Top production
      Conveners: 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))
    • 4:45 PM
      Coffee break
    • Heavy ions: Quarkonium, exotics and other bound states
      Conveners: 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))
    • Joint sessions: BSM and Higgs physics
      Conveners: Carl Gwilliam (University of Liverpool (GB)), Kerstin Tackmann (Deutsches Elektronen-Synchrotron (DE)), Xabier Cid Vidal (Instituto Galego de Física de Altas Enerxías)
    • QCD: Nucleon Structure and Soft QCD
      Conveners: 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))
    • Tools: Theory tools
      Conveners: Andy Buckley (University of Glasgow (GB)), Loukas Gouskos (CERN), Philip Ilten (University of Cincinnati (US)), Sandro Christian Wenzel (CERN), Stefano Carrazza (CERN)
    • Top physics: Interpretations in final state states with top quark
      Conveners: 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))
    • Upgrades: Physics at HL-LHC
      Conveners: 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))
      • 68
        Physics prospects ALICE in Run 5 and beyond
        Speaker: Antonio Uras (Centre National de la Recherche Scientifique (FR))
      • 69
        Physics with precision timing at HL-LHC with ATLAS and CMS
        Speaker: Christian Ohm (KTH Royal Institute of Technology (SE))
      • 70
        Boosting the physics potential of the HL-LHC ATLAS and CMS experiments with new trigger systems
        Speaker: Swagata Mukherjee (Rheinisch Westfaelische Tech. Hoch. (DE))
      • 71
        Physics prospects for LHCb upgrade II
        Speaker: Francesca Dordei (INFN, Cagliari (IT))
      • 72
        Testing BSM physics at the HL-LHC
        Speaker: stefania gori (UC Santa Cruz)
    • Plenary I: Top Physics
      Conveners: Benjamin Fuks (Centre National de la Recherche Scientifique (FR)), Klaus Monig (Deutsches Elektronen-Synchrotron (DE))
    • 2:00 PM
      Coffee break
    • TeV-scale BSM: SUSY
      Conveners: Carl Gwilliam (University of Liverpool (GB)), Seema Sharma (Indian Institute of Science Education and Research (IN)), Yael Shadmi (Technion)
    • BSM - Feebly Interacting Particles: Dark Photons and ALPs; Future experiments
      Conveners: 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)
    • Electroweak physics: Diboson/multiboson
      Conveners: 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))
    • Flavour physics: Session 1
      Conveners: 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))
    • Higgs physics: Session 2
      Conveners: Giuliano Panico (University of Florence and INFN Florence), Kerstin Tackmann (Deutsches Elektronen-Synchrotron (DE)), Meng Xiao (ZJU - Zhejiang University (CN))
      • 97
        Higgs combination at ATLAS+CMS
        Speaker: Haider Abidi (Brookhaven National Laboratory (US))
      • 98
        Higgs EFT benchmarks -- CANCELLED
      • 99
        HH nonresonant and self-coupling at ATLAS+CMS
        Speaker: Laura Pereira Sanchez (Stockholm University (SE))
      • 100
        HH production in a global EFT Higgs fit
        Speaker: Ramona Groeber (Università di Padova and INFN, Sezione di Padova)
    • Joint sessions: Heavy ions and QCD
    • Joint sessions: Upgrades and performance
      Conveners: Christian Ohm (KTH Royal Institute of Technology (SE)), Nicole Skidmore (University of Bonn (DE)), Nora Emilia Pettersson (CERN), Saptaparna Bhattacharya (Northwestern University (US))
      • 106
        Improvements for reconstruction of physics objects with HL-LHC detector upgrades for ATLAS and CMS
        Speaker: Adriano Di Florio (Universita e INFN, Bari (IT))
      • 107
        Use of hardware acceleration for online event reconstruction for Run 3 and later
        Speaker: Marten Ole Schmidt (Ruprecht Karls Universitaet Heidelberg (DE))
      • 108
        Status and prospects for technical solutions for real-time analysis for Run-3 and later
        Speaker: Miguel Ramos Pernas (University of Warwick (GB))
      • 109
        Particle identification and tracking with timing detectors in ALICE and LHCb in Run 5
        Speaker: Stefania Bufalino (Politecnico di Torino (IT))
      • 110
        HL-LHC Computing Challenges - how can the physics performance be maintained?
        Speaker: Vincent Pascuzzi (Lawrence Berkeley National Lab. (US))
    • 3:45 PM
      Coffee break
    • Plenary II: Beyond the Standard Model - TeV scale
      Conveners: Andrea Wulzer (CERN and EPFL), Marc Besancon (cea-saclay/dapnia/spp)
    • Plenary III: Electroweak Physics
      Conveners: Andrew Pilkington (University Of Manchester), Radja Boughezal (Argonne National Laboratory)
    • 1:30 PM
      Coffee break
    • Joint sessions: Flavour physics and QCD
    • Joint sessions: Higgs and top physics
      Conveners: Maria Moreno Llacer (Univ. of Valencia and CSIC (ES)), Meng Xiao (ZJU - Zhejiang University (CN))
    • Joint sessions: Joint BSM session
      Conveners: Niki Saoulidou (National and Kapodistrian University of Athens (GR)), Seema Sharma (Indian Institute of Science Education and Research (IN))
    • Outreach and diversity: Session 1
      Conveners: 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))
    • Tools: Experimental tools
      Conveners: Andy Buckley (University of Glasgow (GB)), Loukas Gouskos (CERN), Philip Ilten (University of Cincinnati (US)), Sandro Christian Wenzel (CERN), Stefano Carrazza (CERN)
    • Upgrades: Detectors at HL-LHC
      Conveners: 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))
    • 3:15 PM
      Coffee break
    • BSM - Feebly Interacting Particles: Unconventional signatures
      Conveners: 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)
    • Flavour physics: Session 2
      Conveners: 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))
    • Heavy ions: Collectivity of soft and heavy flavour
      Conveners: 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))
    • Joint sessions: EFT interpretations
    • Outreach and diversity: Session 2
      Conveners: 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))
    • Tools: Other tools
      Conveners: Andy Buckley (University of Glasgow (GB)), Loukas Gouskos (CERN), Philip Ilten (University of Cincinnati (US)), Sandro Christian Wenzel (CERN), Stefano Carrazza (CERN)
    • Upgrades: Future colliders
      Conveners: 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))
    • 5:00 PM
      Coffee break
    • Plenary IV: Beyond the Standard Model - feebly interacting particles
      Conveners: Laura Patrizii (Universita e INFN, Bologna (IT)), Wolfgang Adam (HEPHY-Vienna)
    • Plenary V: Flavour Physics
      Conveners: Marie-Helene Schune (Université Paris-Saclay (FR)), Sebastien Descotes-Genon (Laboratoire de Physique Théorique d'Orsay)
    • 2:00 PM
      Coffee break
    • TeV-scale BSM: Third generation and flavour
      Conveners: Carl Gwilliam (University of Liverpool (GB)), Seema Sharma (Indian Institute of Science Education and Research (IN)), Yael Shadmi (Technion)
      • 194
        ATLAS + CMS searches for third generation SUSY particles
        Speaker: Daniel Spitzbart (Boston University (US))
      • 195
        ATLAS + CMS searches for leptoquarks
        Speaker: Edson Carquin Lopez (Federico Santa Maria Technical University (CL))
      • 196
        ATLAS + CMS searches for vector-like quarks
        Speaker: Timothy Robert Andeen (University of Texas at Austin (US))
      • 197
        Flavour tagging for enhancing sensitivity to new physics
        Speaker: Yotam Soreq (Technion- Israel Institute of Technology (IL))
      • 198
        Discussion
    • Electroweak physics: Precision
      Conveners: 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))
    • Flavour physics: Session 3
      Conveners: 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))
      • 203
        Classical spectroscopy
        Speaker: Valentina Mariani (Universita e INFN, Perugia (IT))
      • 204
        Tetra- and pentaquark "spectroscopy"
        Speaker: Elisabetta Spadaro Norella (Università degli Studi e INFN Milano (IT))
      • 205
        Recent Belle2 results and projections
        Speaker: Frank Meier (Duke University)
      • 206
        [CANCELLED] LQCD calculations for flavour phenomenology: highlights and prospects
        Speaker: Antoine Gérardin (U. Aix-Marseille)
      • 207
        Round Table
    • Higgs physics: Session 3
      Conveners: Giuliano Panico (University of Florence and INFN Florence), Kerstin Tackmann (Deutsches Elektronen-Synchrotron (DE)), Meng Xiao (ZJU - Zhejiang University (CN))
    • Detector performance: Session 2
      Conveners: Francesco Prino (Universita e INFN Torino (IT)), Nicole Skidmore (University of Bonn (DE)), Nora Emilia Pettersson (CERN), Phat Srimanobhas (Chulalongkorn University (TH))
    • QCD: Precision Measurements
      Conveners: 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))
    • Top physics: Top mass and properties
      Conveners: 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))
    • 3:45 PM
      Coffee break
    • Plenary VI: Higgs Physics
      Conveners: Jeonghyeon Song (Konkuk University), Rosy Nikolaidou (Université Paris-Saclay (FR))
    • Poster Session
      • 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))
      • 238
        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))
      • 239
        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