Testing freeze-in with axial and vector Z′ bosons
Abstract The freeze-in production of Feebly Interacting Massive Particle (FIMP) dark matter in the early universe is an appealing alternative to the well-known — and constrained — Weakly Interacting Massive Particle (WIMP) paradigm. Although challenging, the phenomenology of FIMP dark matter has bee...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2021-09-01
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Series: | Journal of High Energy Physics |
Subjects: | |
Online Access: | https://doi.org/10.1007/JHEP09(2021)056 |