Missing in axion: Where are XENON1T’s big black holes?
Journal Article
·
· Physics of the Dark Universe
- TRIUMF, Vancouver, BC (Canada)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Univ. of Hawaii at Manoa, Honolulu, HI (United States)
We pioneer the black hole mass gap as a powerful new tool for constraining new particles. A new particle that couples to the Standard Model – such as an axion – acts as an additional source of loss in the cores of population-III stars, suppressing mass lost due to winds and quenching the pair-instability. This results in heavier astrophysical black holes. As an example, using stellar simulations we show that the solar axion explanation of the recent XENON1T excess implies astrophysical black holes of ~56M⊙, squarely within the black hole mass gap predicted by the Standard Model.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1638657
- Alternate ID(s):
- OSTI ID: 1797538
- Report Number(s):
- FERMILAB-PUB-20-270-T; arXiv:2007.00650; oai:inspirehep.net:1804560
- Journal Information:
- Physics of the Dark Universe, Vol. 32; ISSN 2212-6864
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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