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Identification of Long-lived Charged Particles using Time-Of-Flight Systems at the Upgraded LHC detectors

Cerri, O. and Xie, S. and Pena, C. and Spiropulu, M. (2019) Identification of Long-lived Charged Particles using Time-Of-Flight Systems at the Upgraded LHC detectors. Journal of High Energy Physics, 2019 (4). Art. No. 37. ISSN 1126-6708. http://resolver.caltech.edu/CaltechAUTHORS:20181023-143723254

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Abstract

We study the impact of precision timing detection systems on the LHC experiments’ long-lived particle search program during the HL-LHC era. We develop algorithms that allow us to reconstruct the mass of such charged particles and perform particle identification using the time-of-flight measurement. We investigate the reach for benchmark scenarios as a function of the timing resolution, and find sensitivity improvement of up to a factor of ten over searches that use ionization energy loss information, depending on the particle’s mass.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/JHEP04(2019)037DOIArticle
https://arxiv.org/abs/1807.05453arXivDiscussion Paper
ORCID:
AuthorORCID
Xie, S.0000-0003-2509-5731
Spiropulu, M.0000-0001-8172-7081
Additional Information:© 2019 The Author(s). 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. Received: July 30, 2018; Revised: January 16, 2019; Accepted: February 14, 2019; Published: April 4, 2019. This work has been supported by funding from California Institute of Technology High Energy Physics under Contract DE-SC0011925 with the United States Department of Energy. We thank Cliff Cheung, Lindsey Grey, Artur Apresyan, Maurizio Pierini, Josh Bendavid, Jonathan Lewis, the CMS MTD group, and the CMS Caltech group for very useful discussions and suggestions. MS is grateful to Henry Frisch for many years discussions on precision timing systems and PID of heavy exotic particles.
Group:CMS@Caltech
Funders:
Funding AgencyGrant Number
CaltechUNSPECIFIED
Department of Energy (DOE)DE-SC0011925
SCOAP3UNSPECIFIED
Subject Keywords:Hadron-Hadron scattering (experiments)
Record Number:CaltechAUTHORS:20181023-143723254
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20181023-143723254
Official Citation:Cerri, O., Xie, S., Pena, C. et al. J. High Energ. Phys. (2019) 2019: 37. https://doi.org/10.1007/JHEP04(2019)037
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:90379
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:23 Oct 2018 21:43
Last Modified:09 Apr 2019 16:09

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