Sub-GeV Gravity-mediated Dark Matter in Direct Detections

Wenyu Wang, Lei Wu, Jin Min Yang, Hang Zhou, Bin Zhu

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Jan 13, 2020
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Received Date: 26th December 19

Detection of non-gravitational interactions of massive dark matter with visible sector so far have given null results. The DM may communicate with the ordinary matter only through gravitational interactions. Besides, the majority of traditional direct detections have poor sensitivity of searching for light DM particle because of the small recoil energy. Thanks to the high energy cosmic rays (CRs), the light DM can be boosted by scattering with CRs and thus may be detected in those existing experiments. In this work, we first derive the exclusion limits of the cosmic ray boosted sub-GeV Dark Matter with gravitational mediator from the Xenon1T data.

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This is an abstract of a preprint hosted on an independent third party site. It has not been peer reviewed but is currently under consideration at Nature Communications.

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