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  Mixed sneutrino dark matter in light of the 2011 XENON and LHC results

Dumont, B., Belanger, G., Fichet, S., Kraml, S., & Schwetz, T. (2012). Mixed sneutrino dark matter in light of the 2011 XENON and LHC results. Journal of Cosmology and Astroparticles Physics, 2012(9): 013, pp. 1-38. doi:10.1088/1475-7516/2012/09/013.

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1206.1521 (Preprint), 2MB
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1206.1521
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 Urheber:
Dumont, Beranger1, Autor
Belanger, Genevieve2, Autor
Fichet, Sylvain3, Autor
Kraml, Sabine1, Autor
Schwetz, Thomas4, Autor           
Affiliations:
1Laboratoire de Physique Subatomique et de Cosmologie, UJF Grenoble 1, CNRS/IN2P3, INPG, 53 Avenue des Martyrs, F-38026 Grenoble, France, ou_persistent22              
2LAPTH, Univ. de Savoie, CNRS, B.P.110, F-74941 Annecy-le-Vieux, France, ou_persistent22              
3International Institute of Physics, UFRN, Av. Odilon Gomes de Lima, 1722, Capim Macio 59078-400, Natal-RN, Brazil, ou_persistent22              
4Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society, ou_904549              

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Schlagwörter: High Energy Physics - Phenomenology, hep-ph,Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO
 Zusammenfassung: In the context of supersymmetric models in which small Dirac neutrino masses are generated by supersymmetry breaking, a mainly right-handed (RH) mixed sneutrino can be an excellent cold dark matter (DM) candidate. We perform a global analysis of the Minimal Supersymmetric Standard Model (MSSM)+RH neutrino parameter space by means of Markov Chain Monte Carlo scans. We include all relevant constraints from collider and dark matter searches, paying particular attention to nuclear and astrophysical uncertainties. Two distinct cases can satisfy all constraints: heavy sneutrino DM with mass of order 100 GeV, as well as light sneutrino DM with mass of about 3-6 GeV. We discuss the implications for direct and indirect dark matter searches, as well as for SUSY and Higgs searches at the LHC for both, the light and the heavy sneutrino dark matter case. The light sneutrino case is excluded by the 125-126 GeV Higgs signal.

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Sprache(n): eng - English
 Datum: 2012-06-072012-09-032012-09-11
 Publikationsstatus: Erschienen
 Seiten: 38 pages, 13 figures; v3: appendix added, minor corrections, note added on the 2012 XENON100 results; matches version accepted by JCAP
 Ort, Verlag, Ausgabe: -
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 Identifikatoren: arXiv: 1206.1521
DOI: 10.1088/1475-7516/2012/09/013
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Titel: Journal of Cosmology and Astroparticles Physics
  Andere : J. Cosmol. Astropart. Phys.
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: Bristol, England : Institute of Physics Pub.
Seiten: - Band / Heft: 2012 (9) Artikelnummer: 013 Start- / Endseite: 1 - 38 Identifikator: ISSN: 1475-7516
CoNE: https://pure.mpg.de/cone/journals/resource/111055183238000