Semi-annihilating Z3 dark matter for XENON1T excess

The recently reported result from XENON1T experiment indicates that there is an excess with 3.5σ significance in the electronic recoil events. Interpreted as new physics, new sources are needed to account for the electronic scattering. We show that a dark fermion ψ with mass about O(10) MeV from sem...

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Bibliographic Details
Main Authors: P. Ko, Yong Tang
Format: Article
Language:English
Published: Elsevier 2021-04-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269321001210