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High Energy Physics - Phenomenology

arXiv:1810.03617 (hep-ph)
[Submitted on 8 Oct 2018 (v1), last revised 14 Mar 2019 (this version, v2)]

Title:R-parity Violation and Light Neutralinos at CODEX-b, FASER, and MATHUSLA

Authors:Daniel Dercks, Jordy de Vries, Herbi K. Dreiner, Zeren Simon Wang
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Abstract:The $LQ\bar D$ operator in R-parity-violating supersymmetry can lead to meson decays to light neutralinos and neutralino decays to lighter mesons, with a long lifetime. Since the high-luminosity LHC is expected to accumulate as much as 3/ab of data, several detectors proposed to be built at the LHC may probe unexplored regions in the parameter space, for long-lived neutralinos. We estimate the sensitivity of the recently proposed detectors, CODEX-b, FASER, and MATHUSLA, for detecting such light neutralinos singly produced from $D$- and $B$-meson decays in a list of benchmark scenarios, and discuss the advantages and disadvantages of the proposed detectors in this context. We also present our results in a model independent fashion, which can be applied to any long-lived particle with mass in the GeV regime.
Comments: 15 pages, 10 figures, 6 tables; v2, accepted version
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1810.03617 [hep-ph]
  (or arXiv:1810.03617v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1810.03617
Journal reference: Phys. Rev. D 99, 055039 (2019)
Related DOI: https://doi.org/10.1103/PhysRevD.99.055039

Submission history

From: Zeren Simon Wang [view email]
[v1] Mon, 8 Oct 2018 18:00:03 UTC (909 KB)
[v2] Thu, 14 Mar 2019 11:02:50 UTC (825 KB)
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