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Global constraints on vector-like WIMP effective interactions
KTH, Skolan för teknikvetenskap (SCI), Teoretisk fysik, Teoretisk partikelfysik.ORCID-id: 0000-0001-5948-9152
Vise andre og tillknytning
2016 (engelsk)Inngår i: Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, E-ISSN 1475-7516, Vol. 2016, nr 4, artikkel-id 015Artikkel i tidsskrift (Fagfellevurdert) Published
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Abstract [en]

In this work we combine information from relic abundance, direct detection, cosmic microwave background, positron fraction, gamma rays, and colliders to explore the existing constraints on couplings between Dark Matter and Standard Model constituents when no underlying model or correlation is assumed. For definiteness, we include independent vector-like effective interactions for each Standard Model fermion. Our results show that low Dark Matter masses below 20 GeV are disfavoured at the 3 σ level with respect to higher masses, due to the tension between the relic abundance requirement and upper constraints on the Dark Matter couplings. Furthermore, large couplings are typically only allowed in combinations which avoid effective couplings to the nuclei used in direct detection experiments.

sted, utgiver, år, opplag, sider
Institute of Physics Publishing (IOPP), 2016. Vol. 2016, nr 4, artikkel-id 015
Emneord [en]
dark matter experiments, dark matter theory
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Identifikatorer
URN: urn:nbn:se:kth:diva-187081DOI: 10.1088/1475-7516/2016/04/015ISI: 000393286400013Scopus ID: 2-s2.0-84963788700OAI: oai:DiVA.org:kth-187081DiVA, id: diva2:929000
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QC 20160517

Tilgjengelig fra: 2016-05-17 Laget: 2016-05-17 Sist oppdatert: 2017-11-30bibliografisk kontrollert

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