Determining the nuclear form factor for detection of dark matter in the relativistic mean field theory

Details Determining the nuclear form factor for detection of dark matter in the relativistic mean field theory Determining the nuclear form factor for detection of dark matter in the relativistic mean field theory

2011-01-16

arxiv.org/abs/1101.3049v1

Commun.Theor.Phys.55:1059-1064,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 Pages, 4 figures, 1 table

Scientific paper

10.1088/0253-6102/55/6/21

In this work, we derive the nuclear form factor for the spin-independent collision between the WIMPs and nucleus in terms of the relativistic mean field (RMF) theory. Comparison with the traditional form factors which are commonly used in literature is given and it is found that our results are slightly above that of the 2PF model by 4% to 8%, but deviate from the Helm form factor by 15% to 25% for the whole recoil energy spectrum of 0$\sim $ 100 keV. Moreover, taking Xe and Ge as examples, we show the dependence of the form factor on the recoil energy.

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