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Searches for long-lived particles at the LHC: Workshop of the LHC LLP Community
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Europe/Zurich
4/3-006 - TH Conference Room (CERN)
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Description
Following the success of the LHC Long-Lived Particle (LLP) Mini-Workshop in May of 2016, the LHC LLP Community -- composed of members of the CMS, LHCb, and ATLAS collaborations as well as theorists, phenomenologists and those interested in LLP searches with auxiliary LHC detectors -- convenes again to address the status and future of LLP searches at the LHC.
This workshop will be one of two workshops devoted to producing an LHC LLP white paper that will be a snapshot of the status of LLP searches at the LHC as of 2017, organized by experimental signature; contain an enumeration of gaps in the coverage of classes of BSM models that can produce LLPs; propose recommendations for triggering strategies for LLPs in ATLAS, CMS, and LHCb; list ideas for new searches for LLPs; and propose a set of recommendations for the presentation of search results to ensure future reinterpretation and recasting.
We will have three days of talks and breakout working sessions that will be geared toward solidifying the structure and components of the white paper, performing phenomenology-level studies for new or existing ideas for LLP searches, and identifying concrete tasks (other studies and writing sections) to be completed during the summer. To that end, we have converged upon four working groups for the workshop:
WG 1: Simplified models / MC / RECASTing and reinterpretation for LLPs
- How do we make sure the published searches are optimally useful in the future? In addition to discussing simplified models for LLPs, this working group will include a hands-on, proof-of-concept recasting of some existing experimental searches that have been archived with the RECAST framework, for a few benchmark model scenarios.
WG 2: Backgrounds for LLP searches
- What are the challenges of low- or non-standard background searches? How these have been addressed in the past? What are the limitations of the current approaches? What new ideas for better estimates may exist?
WG 3: Triggering strategies and recommended studies for experiments for LLP searches
- What are the most important, high priority LLP signatures for which triggering strategies don't exist or are known to be sub-optimal? What recommendation can we as a community make to the experiments for studies that should be done over the summer in support of new triggers? New, blue-sky ideas mandatory.
WG 4: Dark showers
- As theorist and ad hoc coordinating committee member Jessie Shelton put it, "one of the major outstanding questions in designing a search program for displaced objects is how to design a simple and flexible basis of models for showering dark sectors." How do we address this in a more detailed and comprehensive way, and what does this mean for the current searches in the experimental collaborations for this class of models?
For each of the first two days of the workshop, two working groups will proceed in parallel, to be followed by reports on the final day.
The second of the two workshops will take place in October of 2017 and will be centered on finalizing the white paper.
And although in-person attendance is encouraged, active remote participation -- including for the afternoon breakout working sessions -- will be available via Vidyo.
For information relative to housing and laptop registration, please check
http://lpcc.web.cern.ch/LPCC/index.php?page=visit
Those without a CERN access card can request one in the registration form.
Participants
Abi Soffer
Akshansh Singh
Albert De Roeck
Alexis Plascencia
Alice Morris
Andre Lessa
Andrea Caputo
Andrea Coccaro
Andrea Giammanco
Anna Sfyrla
Antonio Policicchio
Arnab Dasgupta
Arnaud Dubreuil
Babette Dobrich
Ben Nachman
Bingxuan Liu
Brian Shuve
Cari Cesarotti
Carlo Dallapiccola
Carlos Munoz
Carlos Vazquez Sierra
Caterina Doglioni
Chris Hill
Christian Ohm
Clara Matteuzzi
Cristiano Alpigiani
Cristiano Sebastiani
Daniel Elbio LOPEZ-Fogliani
Daniel Stolarski
Dario Barberis
David Curtin
David Cutts
David Morrissey
David Morse
Devin Walker
Didar Dobur
Dominik Krauss
Edson Carquin Lopez
Elena Dall'Occo
Emiliano Molinaro
Emma Torro Pastor
Ennio Salvioni
Eric Conte
Fabrizio Nesti
Fairouz Malek
Filip Moortgat
Francesca Ricci-Tam
Francesco Rubbo
Frank Deppisch
Freya Blekman
Gabriel Facini
Gavin Hesketh
Giovanna Cottin
Gregor Kasieczka
Heather Russell
Iñaki Lara
Jakub Scholtz
James Beacham
James Pinfold
Jamie Antonelli
Jan Heisig
Jared Evans
Jennifer Kathryn Roloff
Jesse Liu
Jessie Shelton
Jingyu Luo
Jory Sonneveld
José Zurita
juan carlos helo herrera
Juan Carlos Vasquez Carmona
Judita Mamuzic
Juliette Alimena
Karri Folan Di Petrillo
Kelvin Mei
Kevin McDermott
Klaus Monig
Koji Terashi
Kyungeon Choi
Laura Jeanty
Lawrence Lee Jr
Lesya Shchutska
Livia Soffi
Louie Dartmoor Corpe
Lukas Heinrich
Malgorzata Kazana
Manfredi Ronzani
Manimala Mitra
Maria Moreno Llacer
Maria Smizanska
Marie-Helene Genest
Mario Campanelli
Martino Borsato
Masahiko Saito
Matthieu Marinangeli
Michael Adersberger
Michael Ramsey-Musolf
Michele Michetti
Miha Nemevsek
Nishita Desai
Oliver Buchmueller
Oliver Fischer
Pedro Schwaller
Philippe Mermod
Pieter David
Pilar Hernandez
Rachel Christine Rosten
Revital Kopeliansky
Roberto Franceschini
Roberto Ruiz de Austri
Ryu Sawada
Sascha Mehlhase
Sevda Rzayeva
Siinn Che
Simon Knapen
Simone Amoroso
Stefano Giagu
Stephane Yves G Willocq
Steven Lowette
Ted Ritchie Kolberg
Thomas Mastrianni Perry
Todd Adams
Valerio Ippolito
Vasiliki Mitsou
Weifeng Ji
Werner Porod
Will Buttinger
Xabier Cid Vidal
Yangyang Cheng
Yanou Cui
Yevgeny Kats
Yuhsin Tsai
Zhen Liu
