On the mixed spin-scalar coupling approach in dark matter search

Details On the mixed spin-scalar coupling approach in dark matter search On the mixed spin-scalar coupling approach in dark matter search

2005-04-05

arxiv.org/abs/hep-ph/0504031v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 6 figures, DARK2004 contribution paper, Oct. 3-9, 2004, Texas A&M University

Scientific paper

To avoid misleading discrepancies between results of different dark matter search experiments as well as between the data and SUSY calculations it is in general preferable to use a mixed spin-scalar coupling approach in which spin-independent and spin-dependent WIMP-nucleon couplings are both non-zero. On the other hand one may, however, to safely neglect the subdominant spin WIMP-nucleon contribution in comparison with the spin-independent one in analysis of data from experiments with heavy enough non-zero-spin target nuclei. The mixed coupling approach is applied to estimate future prospects of experiments with the odd-neutron high-spin isotope Ge-73.

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