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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2026-06-11 23:58 |
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Conference: Bucharest University Faculty of Physics 2026 Meeting
Section: High-Energy Physics
Title:
Simulation of long-lived BSM particles in FCC-ee
Authors:
Aurora UIFELEAN (1), Julien MAURER (2)
Affiliation:
1) Faculty of Physics, Babes-Bolyai University, High Energy Physics Master Program, Cluj-Napoca, Romania
2) Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH)
E-mail
aurora.uifelean@stud.ubbcluj.ro
Keywords:
long-lived particles, FCC-ee, BSM physics, ALLEGRO detector, Key4hep, displaced vertices, Monte Carlo simulation
Abstract:
We propose to develop and validate a simulation pipeline for long-lived BSM particles at FCC-ee, with a particular focus on those decaying in the hadronic calorimeter. Signal events will be produced with a Monte Carlo event generator and propagated through a full FCC detector simulation. The simulation studies will be carried out using centrally-built Key4hep releases, accessed remotely via SSH on a machine running AlmaLinux 9, the primary target OS of the Key4hep stack, ensuring compatibility with the official software releases. We aim to evaluate reconstruction performance for LLP signature displaced vertices, displaced tracks, and anomalous timing as a function of the proper decay length
of the LLP cĪ.
References:
[1] S. Knapen and S. Lowette. A guide to hunting long-lived particles at the LHC. arXiv:2212.03883 [hep-ph], 2022.
[2] Key4hep Collaboration. Key4hep: A common software framework for future HEP experiments. arXiv:2111.09874, 2021.
[3] FCC Collaboration. FCC-ee: The Lepton Collider. Eur. Phys. J. Special Topics, 228:261â623, 2019.
[4] J. Alimena et al. Searches for Long-Lived Particles at the Future FCC-ee. arXiv:2203.05502 [hep-ex], 2022.
[5] S. Agostinelli et al. Geant4 - A Simulation Toolkit. Nucl. Instrum. Meth. A, 506:250â303, 2003.
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