6533b823fe1ef96bd127e300

RESEARCH PRODUCT

New Strong Bounds on sub-GeV Dark Matter from Boosted and Migdal Effects

Victor V. FlambaumLiangliang SuLei WuBin Zhu

subject

High Energy Physics - PhenomenologyHigh Energy Physics - Phenomenology (hep-ph)Cosmology and Nongalactic Astrophysics (astro-ph.CO)FOS: Physical sciencesNuclear ExperimentComputer Science::DatabasesAstrophysics - Cosmology and Nongalactic Astrophysics

description

Due to the low nuclear recoils, sub-GeV dark matter (DM) is usually beyond the sensitivity of the conventional DM direct detection experiments. The boosted and Migdal scattering mechanisms have been proposed as two new complementary avenues to search for light DM. In this work, we consider the momentum-transfer effect in the DM-nucleus scattering to derive the new bounds on sub-GeV DM for these two scenarios. We show that such an effect is sizable so that the existing bounds on the DM-nucleus scattering cross section can be improved significantly.

yearjournalcountryeditionlanguage
2020-12-17
http://inspirehep.net/record/1837130