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Title: Detecting hidden particles with MATHUSLA

A hidden sector containing light long-lived particles provides a well-motivated place to find new physics. The recently proposed MATHUSLA experiment has the potential to be extremely sensitive to light particles originating from rare meson decays in the very long lifetime region. In this work, we illustrate this strength with the specific example of a light scalar mixed with the standard model–like Higgs boson, a model where MATHUSLA can further probe unexplored parameter space from exotic Higgs decays. Design augmentations should be considered in order to maximize the ability of MATHUSLA to discover very light hidden sector particles.
Authors:
 [1]
  1. Univ. of Illinois, Urbana-Champaign, IL (United States); Univ. of Cincinnati, OH (United States)
Publication Date:
Grant/Contract Number:
SC0015655
Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 97; Journal Issue: 5; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Research Org:
Univ. of Illinois, Urbana-Champaign, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
OSTI Identifier:
1503858

Evans, Jared A. Detecting hidden particles with MATHUSLA. United States: N. p., Web. doi:10.1103/physrevd.97.055046.
Evans, Jared A. Detecting hidden particles with MATHUSLA. United States. doi:10.1103/physrevd.97.055046.
Evans, Jared A. 2018. "Detecting hidden particles with MATHUSLA". United States. doi:10.1103/physrevd.97.055046. https://www.osti.gov/servlets/purl/1503858.
@article{osti_1503858,
title = {Detecting hidden particles with MATHUSLA},
author = {Evans, Jared A.},
abstractNote = {A hidden sector containing light long-lived particles provides a well-motivated place to find new physics. The recently proposed MATHUSLA experiment has the potential to be extremely sensitive to light particles originating from rare meson decays in the very long lifetime region. In this work, we illustrate this strength with the specific example of a light scalar mixed with the standard model–like Higgs boson, a model where MATHUSLA can further probe unexplored parameter space from exotic Higgs decays. Design augmentations should be considered in order to maximize the ability of MATHUSLA to discover very light hidden sector particles.},
doi = {10.1103/physrevd.97.055046},
journal = {Physical Review D},
number = 5,
volume = 97,
place = {United States},
year = {2018},
month = {3}
}