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Signatures of Majorana dark matter with t-channel mediators
Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC). Stockholm University, Faculty of Science, Department of Physics.
Number of Authors: 3
2015 (English)In: International Journal of Modern Physics D, ISSN 0218-2718, Vol. 24, no 7, 1530019Article in journal (Refereed) Published
Abstract [en]

Three main strategies are being pursued to search for nongravitational dark matter signals: direct detection, indirect detection and collider searches. Interestingly, experiments have reached sensitivities in these three search strategies which may allow detection in the near future. In order to take full benefit of the wealth of experimental data, and in order to confirm a possible dark matter signal, it is necessary to specify the nature of the dark matter particle and of the mediator to the Standard Model. In this paper, we focus on a simplified model where the dark matter particle is a Majorana fermion that couples to a light Standard Model fermion via a Yukawa coupling with a scalar mediator. We review the observational signatures of this model and we discuss the complementarity among the various search strategies, with emphasis in the well motivated scenario where the dark matter particles are produced in the early universe via thermal freeze-out.

Place, publisher, year, edition, pages
2015. Vol. 24, no 7, 1530019
Keyword [en]
Dark matter, WIMP dark matter searches, indirect detection, direct detection, collider searches
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-118526DOI: 10.1142/S0218271815300190ISI: 000355327200001OAI: oai:DiVA.org:su-118526DiVA: diva2:826668
Available from: 2015-06-25 Created: 2015-06-22 Last updated: 2017-12-04Bibliographically approved

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Vogl, Stefan
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