Name: Searching for long-lived particles at the LHC and beyond: Ninth workshop of the LLP Community
Start: 2021-05-25T13:00:00+02:00
End: 2021-05-28T20:00:00+02:00
Location: Virtually, worldwide

Searching for long-lived particles at the LHC and beyond: Ninth workshop of the LLP Community

from Tuesday, May 25, 2021 (1:00 PM) to Friday, May 28, 2021 (8:00 PM)

Monday, May 24, 2021
Tuesday, May 25, 2021
2:00 PM Welcome and introduction: Five years of the LLP Community - James Beacham (Duke University (US))
Welcome and introduction: Five years of the LLP Community
- James Beacham (Duke University (US))
2:00 PM - 2:15 PM
2:15 PM Status of long-lived particle searches at the central detectors of the LHC
2:15 PM - 3:15 PM
Contributions

2:15 PM Long-lived particles at LHCb - Andrii Usachov (Nikhef National institute for subatomic physics (NL))

2:35 PM Long-lived particles at CMS - Cristián Peña (Fermi National Accelerator Lab. (US))

2:55 PM Long-lived particles at ATLAS - Christian Ohm (KTH Royal Institute of Technology (SE))
3:15 PM Workshop photo
Workshop photo
3:15 PM - 3:20 PM

3:20 PM Coffee
Coffee
3:20 PM - 3:30 PM
3:30 PM FIPs 2020 and the FIPs Physics Centre - Maxim Pospelov
FIPs 2020 and the FIPs Physics Centre
- Maxim Pospelov
3:30 PM - 4:00 PM
4:00 PM Dedicated LLP detectors and projects at the LHC: Session 1
Session 1
4:00 PM - 4:35 PM
Contributions

4:00 PM Results and future plans of the MoEDAL experiment - James Pinfold (University of Alberta (CA))

4:20 PM CODEX-b - Biplab Dey (Eotvos U.)
4:35 PM Coffee
Coffee
4:35 PM - 4:45 PM
4:45 PM Dedicated LLP detectors and projects at the LHC: Session 2
Session 2
4:45 PM - 5:40 PM
Contributions

4:45 PM SND@LHC - Lesya Shchutska (EPFL - Ecole Polytechnique Federale Lausanne (CH))

5:05 PM FASER - Eric Torrence (University of Oregon (US))

5:25 PM MATHUSLA & Cosmic Rays - Juan Carlos Arteaga-Velazquez (Universidad Michoacana)
5:40 PM Coffee
Coffee
5:40 PM - 5:50 PM
5:50 PM Dedicated LLP detectors and projects at the LHC: Session 3
Session 3
5:50 PM - 6:50 PM
Contributions

5:50 PM FACET - Bora Isildak (Ozyegin University (TR))

6:10 PM MilliQan - Ryan Schmitz (Univ. of California Santa Barbara (US)) Ryan Schmitz (UCSB)

6:30 PM Forward Physics Facility - Maria Vittoria Garzelli
Wednesday, May 26, 2021
2:00 PM Heavy neutral leptons (HNLs) session
2:00 PM - 3:00 PM
Contributions

2:00 PM Introduction - Albert De Roeck (CERN) Federico Leo Redi (EPFL - Ecole Polytechnique Federale Lausanne (CH))

2:05 PM HNLs in MadGraph - Richard Ruiz (Institute of Nuclear Physics (IFJ) PAN) Richard Ruiz (Fermi National Accelerator Lab. (US))

2:25 PM HNL production from mesons - Philip Ilten (University of Cincinnati (US))

2:45 PM Discussion
3:00 PM Coffee
Coffee
3:00 PM - 3:10 PM
3:10 PM Reinterpretation
3:10 PM - 4:22 PM
Contributions

3:10 PM Reinterpretation of LLP searches with SModelS 2.0 - Jan Heisig (Université catholique de Louvain (UCL))

3:22 PM Brainstorming: what would it take to be able to re-interpret analyses which use machine learning ?
4:22 PM Coffee
Coffee
4:22 PM - 4:35 PM
4:35 PM Non-standard backgrounds for the HL-LHC
4:35 PM - 5:35 PM
Contributions

4:35 PM Beam induced backgrounds at the HL-LHC (CMS perspective) - Anne Dabrowski (CERN) Bhawna Gomber (University of Hyderabad, India)

4:50 PM Rejecting BIB at the HL-LHC (CMS perspective) - Laurent Thomas (Universite Libre de Bruxelles (BE))

5:05 PM Open discussion
5:35 PM Coffee
Coffee
5:35 PM - 5:45 PM
5:45 PM Lightning round / new ideas: New results from ATLAS and CMS, in detail
New results from ATLAS and CMS, in detail
5:45 PM - 6:57 PM
Contributions

5:45 PM Stopped particles with ATLAS - Stefanie Morgenstern (University of Warwick (UK))

5:57 PM Neutral Long-lived Particles Decaying in the CSCs with CMS - Christina Wenlu Wang (California Institute of Technology (US))

6:09 PM Disappearing tracks with ATLAS - Toshiaki Kaji (Waseda University (JP))

6:21 PM Higgs boson decays to long-lived scalar particles in associated Higgs boson production with CMS - Daniel Diaz (Univ. of California San Diego (US))

6:33 PM Search for exotic decays of the Higgs boson to long-lived particles using displaced vertices in the ATLAS inner detector - Jackson Carl Burzynski (University of Massachusetts (US))

6:45 PM Scouting for displaced di-muon resonances with CMS - Hardik Routray (Rutgers State Univ. of New Jersey (US))
Thursday, May 27, 2021
2:00 PM Lightning round / new ideas
2:00 PM - 2:48 PM
Contributions

2:00 PM Dark photon from scalar boson decays at FASER - Takashi Shimomura (University of Miyazaki)

2:12 PM Long-lived light neutralinos at Belle II - Zeren Simon Wang (National Tsing Hua University)

2:24 PM Triggering on Emerging Jets - Dylan Linthorne (Carleton University)

2:36 PM Searching for a sterile neutrino that mixes predominantly with ντ at B factories - Nicolas Neill (Universidad de Tarapacá (CL))
2:48 PM Coffee
Coffee
2:48 PM - 3:00 PM
3:00 PM Dark showers simulation tools session: Tutorial
Tutorial
3:00 PM - 5:00 PM
Contributions

3:00 PM Simulating semi-visible jets via pythia HV module - Daniel Stolarski (Carleton University (CA)) Simon Knapen (CERN) Suchita Kulkarni (University of Graz)

4:00 PM Simulating SUEP signatures - Karri Folan Di Petrillo (Fermi National Accelerator Lab. (US))
5:00 PM Coffee
Coffee
5:00 PM - 5:15 PM
5:15 PM Dark showers simulation tools session: Discussion
Discussion
5:15 PM - 6:00 PM
Contributions

5:15 PM Discussion on limitations of Pythia HV module - Marat Freytsis (Rutgers University) Marat Freytsis (Harvard University)
6:00 PM Coffee
Coffee
6:00 PM - 6:15 PM
6:15 PM Lightning round / new ideas
6:15 PM - 7:15 PM
Contributions

6:15 PM Perturbative benchmark models for a dark shower search program - Jessie Shelton

6:27 PM A Displaced Fat Jet Signature at LHeC - ROJALIN PADHAN (Institute of Physics, Bhubaneswar)

6:39 PM Quasistable charginos in ultraperipheral proton-proton collisions at the LHC - Evgenii Zhemchugov (National Research Nuclear University MEPhI (RU))

6:51 PM Modeling exotic Higgs decays to vector bosons with displaced dimuons in the final states - Tamer Elkafrawy (Florida Institute of Technology (US))
Friday, May 28, 2021
2:00 PM Lightning round / new ideas
2:00 PM - 2:48 PM
Contributions

2:00 PM Probing naturally light singlets with a displaced vertex trigger - Diego Redigolo (CERN-INFN Florence)

2:12 PM Probing the early universe with displaced new physics at colliders - Sam Junius (ULB & VUB)

2:24 PM Displaced Vertex signatures of a pseudo-Goldstone sterile neutrino - Anibal Medina (Instituto de Fisica La Plata)

2:36 PM Portal Effective Theories: A framework for the model independent description of light hidden sector interactions - Philipp Klose Philipp Mauritz Klose (Universität Bern)
2:48 PM Coffee
Coffee
2:48 PM - 3:00 PM
3:00 PM LHC LLP Working Group meeting
3:00 PM - 4:00 PM
Contributions

3:00 PM Status of the WG - Juliette Alimena (CERN)

3:15 PM Discussion
4:00 PM Coffee
Coffee
4:00 PM - 4:10 PM
4:10 PM LLPs at future colliders -- and future ideas: (muon colliders)
(muon colliders)
4:10 PM - 5:10 PM
Contributions

4:10 PM LLPs at a muon collider: Theory - Zhen Liu (University of Minnesota)

4:25 PM Introduction to the muon collider - Simone Pagan Griso (Lawrence Berkeley National Lab. (US))

4:40 PM LLPs at a muon collider: Experiment - Federico Meloni (Deutsches Elektronen-Synchrotron (DE))
5:10 PM Coffee
Coffee
5:10 PM - 5:20 PM

5:20 PM LLPs at future colliders -- and future ideas: (Future detector at FCChh)
(Future detector at FCChh)
5:20 PM - 6:05 PM
6:05 PM Lightning round / new ideas
6:05 PM - 7:05 PM
Contributions

6:05 PM GAZELLE - a new long-lived particle detector for Belle II? - Ruth Schäfer (Universität Heidelberg)

6:17 PM Model-independent probes of hidden sectors - Rashmish Mishra (Harvard University)

6:29 PM Detecting long-lived multi-charged particles in neutrino mass models with MoEDAL - Rafal Maselek (University of Warsaw)

6:41 PM Long-lived bi$\nu$o at the LHC - Seyda Ipek

6:53 PM Leptogenesis across the electroweak scale - Yannis Georis (Catholic University of Louvain)