Spin-dependent WIMP scattering off nuclei

Autor:	Menendez, J., Gazit, D., Schwenk, A.
Rok vydání:	2012
Předmět:	Astrophysics - Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology Nuclear Experiment Nuclear Theory
Zdroj:	Phys. Rev. D86, 103511 (2012)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevD.86.103511
Popis:	Chiral effective field theory (EFT) provides a systematic expansion for the coupling of WIMPs to nucleons at the momentum transfers relevant to direct cold dark matter detection. We derive the currents for spin-dependent WIMP scattering off nuclei at the one-body level and include the leading long-range two-body currents, which are predicted in chiral EFT. As an application, we calculate the structure factor for spin-dependent WIMP scattering off 129,131Xe nuclei, using nuclear interactions that have been developed to study nuclear structure and double-beta decays in this region. We provide theoretical error bands due to the nuclear uncertainties of WIMP currents in nuclei. Comment: 6 pages, 3 figures, published version
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1208.1094 Zobrazit plný text záznamu View this record from Arxiv