4.7 Article

Searching for light long lived neutralinos at Super-Kamiokande

Journal

PHYSICAL REVIEW D
Volume 104, Issue 5, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.104.055024

Keywords

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Funding

  1. Agencia Nacional de Investigacion y Desarrollo (ANID) through the Becas Chile Scholarship [72180000]
  2. ANID through the Becas Chile Scholarship [72190359]
  3. ANID through FONDECYT Chile [3190051]

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In this article, constraints for the RPV couplings involved in the production of long-lived light neutralinos from the decays of charged D-mesons and kaons are derived using atmospheric neutrino data from the Super-Kamiokande experiment. The results highlight the potential of neutrino detectors to search for long-lived particles, by exploring regions of parameter space that are not yet constrained by any fixed-target nor collider experiments.
Light neutralinos could be copiously produced from the decays of mesons generated in cosmic-ray air showers. These neutralinos can be long-lived particles in the context of R-parity violating (RPV) supersymmetric models, implying that they could be capable of reaching the surface of the earth and decay within the instrumental volume of large neutrino detectors. In this article, we use atmospheric neutrino data from the Super-Kamiokande experiment to derive novel constraints for the RPV couplings involved in the production of long-lived light neutralinos from the decays of charged D-mesons and kaons. Our results highlight the potential of neutrino detectors to search for long-lived particles, by demonstrating that it is possible to explore regions of parameter space that are not yet constrained by any fixed-target nor collider experiments.

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