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  Dark matter search after DAMA with 73Ge

Bednyakov, V., & Klapdor-Kleingrothaus, H. (2004). Dark matter search after DAMA with 73Ge. Physical Review D (Particles, Fields, Gravitation, and Cosmology, 70: 096006, pp. 1-15.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8D31-6 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8D32-4
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 Urheber:
Bednyakov, V.A.1, Autor
Klapdor-Kleingrothaus, H.V.2, Autor           
Affiliations:
1Laboratory of Nuclear Problems, Joint Institute for Nuclear Research, 141980 Dubna, Russia, ou_persistent22              
2Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907546              

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 Zusammenfassung: The Weakly Interacting Massive Particle (WIMP) is one of the main candidates for the relic dark matter (DM). In the effective low-energy minimal supersymmetric standard model (effMSSM) the neutralino nucleon spin and scalar cross sections in the low-mass regime were calculated. The calculated cross sections are compared with almost all experimental currently available exclusion curves for spin-dependent WIMP-proton and WIMP-neutron cross sections. It is demonstrated that in general about 2 orders of magnitude improvement of the current DM experiment sensitivities is needed to reach the (effMSSM) supersymmetric (SUSY) predictions. At the current level of accuracy it looks reasonable to safely neglect subdominant spin WIMP nucleon contributions analyzing the data from spin-nonzero targets. To avoid misleading discrepancies between data and SUSY calculations it is, however, preferable to use a mixed spin-scalar coupling approach. This approach is applied to estimate future prospects of experiments with the odd-neutron high-spin isotope 73Ge. It is noticed that the DAMA evidence favors the light Higgs sector in the effMSSM, a high event rate in a 73Ge detector and relatively high up-going muon fluxes from relic neutralino annihilations in the Earth and the Sun.

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Sprache(n): eng - English
 Datum: 2004
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 206986
 Art des Abschluß: -

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Titel: Physical Review D (Particles, Fields, Gravitation, and Cosmology
  Alternativer Titel : Phys. Rev. D
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 70 Artikelnummer: 096006 Start- / Endseite: 1 - 15 Identifikator: -