期刊
PHYSICAL REVIEW D
卷 99, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.99.121302
关键词
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资金
- U. S. Department of Energy [DE-SC0017993]
- John Templeton Foundation
- U.S. Department of Energy (DOE) [DE-SC0017993] Funding Source: U.S. Department of Energy (DOE)
We study the cosmological effects of two-body dark matter decays in which the products of the decay include a massless and a massive particle. We show that if the massive daughter particle is slightly warm it is possible to relieve the tension between distance ladder measurements of the present-day Hubble parameter with measurements from the cosmic microwave background.
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