期刊
PHYSICAL REVIEW D
卷 96, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.96.043504
关键词
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资金
- Ministry of Education, Science, Sports, and Culture (MEXT), Japan (World Premier International Research Center Initiative WPI Initiative) [15H05889, 25400248, 26104009, 26287039, 16H02176]
- MEXT, Japan
- JSPS
- Advanced Leading Graduate Course for Photon Science
- Grants-in-Aid for Scientific Research [17H01131, 15H05889, 15J07034, 17K05434] Funding Source: KAKEN
Following a new microlensing constraint on primordial black holes (PBHs) with similar to 10(20)-10(28) g [H. Niikura et al., arXiv: 1701.02151.], we revisit the idea of PBH as all dark matter (DM). We have shown that the updated observational constraints suggest the viable mass function for PBHs as all DM to have a peak at. 1020 g with a small width sigma less than or similar to 0.1, by imposing observational constraints on an extended mass function in a proper way. We have also provided an inflation model that successfully generates PBHs as all DM fulfilling this requirement.
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