Long-lived biνo at the LHC
Abstract
We examine the detection prospects for a long-lived biνo, a pseudo-Dirac bino which is responsible for neutrino masses, at the LHC and at dedicated long-lived particle detectors. The biνo arises in U(1)R-symmetric supersymmetric models where the neutrino masses are generated through higher dimensional operators in an inverse seesaw mechanism. At the LHC the biνo is produced through squark decays and it subsequently decays to quarks, charged leptons and missing energy via its mixing with the Standard Model neutrinos. We consider long-lived biνos which escape the ATLAS or CMS detectors as missing energy and decay to charged leptons inside the proposed long-lived particle detectors FASER, CODEX-b, and MATHUSLA. We find the currently allowed region in the squark-biνo mass parameter space by recasting most recent LHC searches for jets+. We also determine the reach of MATHUSLA, CODEX-b and FASER. We find that a large region of parameter space involving squark masses, biνo mass and the messenger scale can be probed with MATHUSLA, ranging from biνo masses of 10 GeV-2 TeV and messenger scales 102-11 TeV for a range of squark masses.
- Authors:
-
[1];
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Univ. of California, Irvine, CA (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1797357
- Report Number(s):
- BNL-221659-2021-JAAM
Journal ID: ISSN 1029-8479; TRN: US2210595
- Grant/Contract Number:
- SC0012704; PHY-191505
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2021; Journal Issue: 5; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond standard model; Neutrino physics; Supersymmetric standard mode
Citation Formats
Gehrlein, Julia, and Ipek, Seyda. Long-lived biνo at the LHC. United States: N. p., 2021.
Web. doi:10.1007/jhep05(2021)020.
Gehrlein, Julia, & Ipek, Seyda. Long-lived biνo at the LHC. United States. https://doi.org/10.1007/jhep05(2021)020
Gehrlein, Julia, and Ipek, Seyda. Tue .
"Long-lived biνo at the LHC". United States. https://doi.org/10.1007/jhep05(2021)020. https://www.osti.gov/servlets/purl/1797357.
@article{osti_1797357,
title = {Long-lived biνo at the LHC},
author = {Gehrlein, Julia and Ipek, Seyda},
abstractNote = {We examine the detection prospects for a long-lived biνo, a pseudo-Dirac bino which is responsible for neutrino masses, at the LHC and at dedicated long-lived particle detectors. The biνo arises in U(1)R-symmetric supersymmetric models where the neutrino masses are generated through higher dimensional operators in an inverse seesaw mechanism. At the LHC the biνo is produced through squark decays and it subsequently decays to quarks, charged leptons and missing energy via its mixing with the Standard Model neutrinos. We consider long-lived biνos which escape the ATLAS or CMS detectors as missing energy and decay to charged leptons inside the proposed long-lived particle detectors FASER, CODEX-b, and MATHUSLA. We find the currently allowed region in the squark-biνo mass parameter space by recasting most recent LHC searches for jets+. We also determine the reach of MATHUSLA, CODEX-b and FASER. We find that a large region of parameter space involving squark masses, biνo mass and the messenger scale can be probed with MATHUSLA, ranging from biνo masses of 10 GeV-2 TeV and messenger scales 102-11 TeV for a range of squark masses.},
doi = {10.1007/jhep05(2021)020},
journal = {Journal of High Energy Physics (Online)},
number = 5,
volume = 2021,
place = {United States},
year = {Tue May 04 00:00:00 EDT 2021},
month = {Tue May 04 00:00:00 EDT 2021}
}
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