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Searches for atmospheric long-lived particles
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13130_2020_Article_12527.pdf
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1.01 MB
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Author(s)
Argüelles, C.
Coloma, P.
Hernández, P.
Muñoz, V.
Date Issued
February 28, 2020
Publisher
Springer Berlin Heidelberg
Citation
Journal of High Energy Physics. 2020 Feb 28;2020(2):190
Version
Final published version
Abstract
Abstract
Long-lived particles are predicted in extensions of the Standard Model that involve relatively light but very weakly interacting sectors. In this paper we consider the possibility that some of these particles are produced in atmospheric cosmic ray showers, and their decay intercepted by neutrino detectors such as IceCube or Super-Kamiokande. We present the methodology and evaluate the sensitivity of these searches in various scenarios, including extensions with heavy neutral leptons in models of massive neutrinos, models with an extra U(1) gauge symmetry, and a combination of both in a U(1)B−L model. Our results are shown as a function of the production rate and the lifetime of the corresponding long-lived particles.
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DOI of Published Version
https://doi.org/10.1007/JHEP02(2020)190
