New limits on spin-dependent weakly interacting massive particle (WIMP) nucleon 
coupling

Klapdor-Kleingrothaus, Hans Volker; Krivosheina, Irina Vladimirovna; Tomei, Claudia

doi:10.1016/j.physletb.2004.12.081

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New limits on spin-dependent weakly interacting massive particle (WIMP) nucleon coupling

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Klapdor-Kleingrothaus, Hans Volker
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Krivosheina, Irina Vladimirovna
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Citation

Klapdor-Kleingrothaus, H. V., Krivosheina, I. V., & Tomei, C. (2005). New limits on spin-dependent weakly interacting massive particle (WIMP) nucleon coupling. Physics Letters B, 609, 226-231. doi:10.1016/j.physletb.2004.12.081.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-89CA-0

Abstract

The HDMS (Heidelberg dark matter search) setup at LNGS, operates the first enriched ⁷³Ge detector worldwide, and looks for spin-dependent WIMP-nucleon coupling at the Gran Sasso Underground Laboratory. The data collected from February 2001 to July 2003 (423.18 d, corresponding to 85.48 kg d) are presented. The results improve the best present existing limits on the WIMP-neutron spin-dependent cross section (obtained from ¹²⁹Xe) for low WIMP masses.