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Antideuterons from decaying gravitino dark matter
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: 2
2015 (English)In: Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, E-ISSN 1475-7516, no 7, 012Article in journal (Refereed) Published
Abstract [en]

We study the possibility of improving the constraints on the lifetime of gravitino dark matter in scenarios with bilinear R-parity violation by estimating the amount of cosmicray antideuterons that can be produced in gravitino decays. Taking into account all different sources of theoretical uncertainties, we find that the margin of improvement beyond the limits already set by cosmic-ray antiproton data are quite narrow and unachievable for the next generation of experiments. However, we also identify more promising energy ranges for future experiments.

Place, publisher, year, edition, pages
2015. no 7, 012
Keyword [en]
dark matter theory, cosmic ray theory
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-120713DOI: 10.1088/1475-7516/2015/07/012ISI: 000359259500012OAI: oai:DiVA.org:su-120713DiVA: diva2:854325
Available from: 2015-09-16 Created: 2015-09-15 Last updated: 2017-12-05Bibliographically approved

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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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