Multi-component dark matter and Galactic 511 keV γ-ray emission

Multi-component dark matter and Galactic 511 keV γ-ray emission

Abstract We study multi-component dark matter scenarios and the Galactic 511 keV γ-ray emission line signal in the framework of a local, dark U(1) D extension of the Standard Model. A light vector dark matter particle associated with the dark U(1) D may decay and annihilate to electron-positron pair...

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Bibliographic Details
Main Authors:	Sarif Khan, Jinsu Kim, Jongkuk Kim, Pyungwon Ko
Format:	Article
Language:	English
Published:	SpringerOpen 2025-06-01
Series:	Journal of High Energy Physics
Subjects:	Cosmology of Theories BSM Models for Dark Matter Particle Nature of Dark Matter
Online Access:	https://doi.org/10.1007/JHEP06(2025)102
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