Direct Detection Phenomenology in Models Where the Products of Dark Matter Annihilation Interact with Nuclei
作者： John F. Cherry , Mads T. Frandsen , Ian M. Shoemaker
DOI: 10.1103/PHYSREVLETT.114.231303
关键词: Scalar field dark matter 、 Dark fluid 、 Annihilation 、 Hot dark matter 、 Dark matter 、 Nuclear physics 、 Particle physics 、 Weakly interacting massive particles 、 Light dark matter 、 Physics 、 Warm dark matter
摘要: We investigate the direct detection phenomenology of a class dark matter (DM) models in which DM does not directly interact with nuclei, but rather, products its annihilation do. When these are very light compared to mass, scattering experiments is controlled by relativistic kinematics. This results distinctive recoil spectrum, nonstandard and/or even absent annual modulation, and ability probe masses as low $\ensuremath{\sim}10\text{ }\text{ }\mathrm{MeV}$. use current LUX data show that experimental sensitivity thermal relic cross sections has already been reached models. Moreover, compatibility can be ${E}_{\mathrm{min}}$ space without making assumptions about astrophysics, or form factors. Lastly, when couplings limit from particles Sun stronger than conventional nonrelativistic more 3 orders magnitude for 2--7 GeV window.
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