Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 4, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP04(2021)119
Keywords
Black Holes; Beyond Standard Model
Categories
Funding
- U.S. Department of Energy [DE-SC-0017647]
- Ray MacDonald Intra-mural Award
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This study focuses on spherically symmetric magnetic and dyonic black holes within the Standard Model and general relativity. It is found that a magnetically charged black hole with mass below 9.3 x 10^35 GeV has a cloud of electroweak gauge and Higgs fields outside the event horizon. Additionally, a hairy dyonic black hole with an integer charge may decay into a magnetic black hole plus charged fermions.
Spherically symmetric magnetic and dyonic black holes with a magnetic charge Q = 2 are studied in the Standard Model and general relativity. A magnetically charged black hole with mass below 9.3 x 10(35) GeV has a hairy cloud of electroweak gauge and Higgs fields outside the event horizon with 1/m(W) in size. An extremal magnetic black hole has a hair mass of 3.6 TeV, while an extremal dyonic black hole has an additional mass of q(2) x 1.6 GeV for a small electric charge q << 2 pi /e(2). A hairy dyonic black hole with an integer charge is not stable and can decay into a magnetic one plus charged fermions. On the other hand, a hairy magnetic black hole can evolve via Hawking radiation into a nearly extremal one that is cosmologically stable and an interesting object to be searched for.
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