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Neutrinos from cosmic ray interactions in the Sun
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Number of Authors: 4
2017 (English)In: Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, E-ISSN 1475-7516, no 6, 033Article in journal (Refereed) Published
Abstract [en]

Cosmic rays hitting the solar atmosphere generate neutrinos that interact and oscillate in the Sun and oscillate on the way to Earth. These neutrinos could potentially be detected with neutrino telescopes and will be a background for searches for neutrinos from dark matter annihilation in the Sun. We calculate the flux of neutrinos from these cosmic ray interactions in the Sun and also investigate the interactions near a detector on Earth that give rise to muons. We compare this background with both regular Earth-atmospheric neutrinos and signals from dark matter annihilation in the Sun. Our calculation is performed with an event-based Monte Carlo approach that should be suitable as a simulation tool for experimental collaborations. Our program package is released publicly along with this paper.

Place, publisher, year, edition, pages
2017. no 6, 033
Keyword [en]
solar and atmospheric neutrinos, neutrino experiments, cosmic ray theory, dark matter experiments
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-147962DOI: 10.1088/1475-7516/2017/06/033ISI: 000408310600003OAI: oai:DiVA.org:su-147962DiVA: diva2:1149669
Available from: 2017-10-16 Created: 2017-10-16 Last updated: 2017-11-29Bibliographically approved

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Edsjö, JoakimElevant, JessicaNiblaeus, Carl
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