Light cold dark matter from non-thermal decay
We investigate the mass range and the corresponding free-streaming length scale of dark matter produced non-thermally from decay of heavy objects which can be either dominant or sub-dominant at the moment of decay. We show that the resulting dark matter could be very light well below keV scale with...
Main Authors: | Ki-Young Choi, Jinn-Ouk Gong, Junghoon Joh, Wan-Il Park, Osamu Seto |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2023-10-01
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Series: | Physics Letters B |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269323004604 |
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