C.B. Verhaaren
Searches for long-lived particles at the future FCC-ee
Verhaaren, C.B.; Alimena, J.; Bauer, M.; Azzi, P.; Ruiz, R.; Neubert, M.; Mikulenko, O.; Ovchynnikov, M.; Drewes, M.; Klaric, J.; Blondel, A.; Rizzi, C.; Sfyrla, A.; Sharma, T.; Kulkarni, S.; Thamm, A.; Suarez, R. Gonzalez; Rygaard, L.
Authors
J. Alimena
Dr Martin Bauer martin.m.bauer@durham.ac.uk
UKRI Future Leaders Fellow
P. Azzi
R. Ruiz
M. Neubert
O. Mikulenko
M. Ovchynnikov
M. Drewes
J. Klaric
A. Blondel
C. Rizzi
A. Sfyrla
T. Sharma
S. Kulkarni
A. Thamm
R. Gonzalez Suarez
L. Rygaard
Abstract
The electron-positron stage of the Future Circular Collider, FCC-ee, is a frontier factory for Higgs, top, electroweak, and flavour physics. It is designed to operate in a 100 km circular tunnel built at CERN, and will serve as the first step towards ≥100 TeV proton-proton collisions. In addition to an essential and unique Higgs program, it offers powerful opportunities to discover direct or indirect evidence of physics beyond the Standard Model. Direct searches for long-lived particles at FCC-ee could be particularly fertile in the high-luminosity Z run, where 5 × 1012 Z bosons are anticipated to be produced for the configuration with two interaction points. The high statistics of Higgs bosons, W bosons and top quarks in very clean experimental conditions could offer additional opportunities at other collision energies. Three physics cases producing long-lived signatures at FCC-ee are highlighted and studied in this paper: heavy neutral leptons (HNLs), axion-like particles (ALPs), and exotic decays of the Higgs boson. These searches motivate out-of-the-box optimization of experimental conditions and analysis techniques, which could lead to improvements in other physics searches.
Citation
Verhaaren, C., Alimena, J., Bauer, M., Azzi, P., Ruiz, R., Neubert, M., Mikulenko, O., Ovchynnikov, M., Drewes, M., Klaric, J., Blondel, A., Rizzi, C., Sfyrla, A., Sharma, T., Kulkarni, S., Thamm, A., Suarez, R. G., & Rygaard, L. (2022). Searches for long-lived particles at the future FCC-ee. Frontiers in Physics, 10, 1-25. https://doi.org/10.3389/fphy.2022.967881
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 8, 2022 |
Online Publication Date | Sep 28, 2022 |
Publication Date | Sep 28, 2022 |
Deposit Date | Apr 12, 2023 |
Publicly Available Date | May 31, 2023 |
Journal | Frontiers in Physics |
Publisher | Frontiers Media |
Peer Reviewed | Peer Reviewed |
Volume | 10 |
Pages | 1-25 |
DOI | https://doi.org/10.3389/fphy.2022.967881 |
Public URL | https://durham-repository.worktribe.com/output/1175034 |
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Copyright Statement
Open Access. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
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