Phenomenology of magnetic black holes with electroweak-symmetric coronas
Abstract Magnetically charged black holes (MBHs) are interesting solutions of the Standard Model and general relativity. They may possess a “hairy” electroweak-symmetric corona outside the event horizon, which speeds up their Hawking radiation and leads them to become nearly extremal on short timesc...
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doaj-58c74323d26f42fdb800952843af0d0e2020-11-25T03:05:57ZengSpringerOpenJournal of High Energy Physics1029-84792020-10-0120201013910.1007/JHEP10(2020)210Phenomenology of magnetic black holes with electroweak-symmetric coronasYang Bai0Joshua Berger1Mrunal Korwar2Nicholas Orlofsky3Department of Physics, University of Wisconsin-MadisonDepartment of Physics and Astronomy, University of PittsburghDepartment of Physics, University of Wisconsin-MadisonDepartment of Physics, University of Wisconsin-MadisonAbstract Magnetically charged black holes (MBHs) are interesting solutions of the Standard Model and general relativity. They may possess a “hairy” electroweak-symmetric corona outside the event horizon, which speeds up their Hawking radiation and leads them to become nearly extremal on short timescales. Their masses could range from the Planck scale up to the Earth mass. We study various methods to search for primordially produced MBHs and estimate the upper limits on their abundance. We revisit the Parker bound on magnetic monopoles and show that it can be extended by several orders of magnitude using the large-scale coherent magnetic fields in Andromeda. This sets a mass-independent constraint that MBHs have an abundance less than 4 × 10 −4 times that of dark matter. MBHs can also be captured in astrophysical systems like the Sun, the Earth, or neutron stars. There, they can become non-extremal either from merging with an oppositely charged MBH or absorbing nucleons. The resulting Hawking radiation can be detected as neutri- nos, photons, or heat. High-energy neutrino searches in particular can set a stronger bound than the Parker bound for some MBH masses, down to an abundance 10 −7 of dark matter.http://link.springer.com/article/10.1007/JHEP10(2020)210Beyond Standard ModelBlack HolesCosmology of Theories beyond the SM |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yang Bai Joshua Berger Mrunal Korwar Nicholas Orlofsky |
spellingShingle |
Yang Bai Joshua Berger Mrunal Korwar Nicholas Orlofsky Phenomenology of magnetic black holes with electroweak-symmetric coronas Journal of High Energy Physics Beyond Standard Model Black Holes Cosmology of Theories beyond the SM |
author_facet |
Yang Bai Joshua Berger Mrunal Korwar Nicholas Orlofsky |
author_sort |
Yang Bai |
title |
Phenomenology of magnetic black holes with electroweak-symmetric coronas |
title_short |
Phenomenology of magnetic black holes with electroweak-symmetric coronas |
title_full |
Phenomenology of magnetic black holes with electroweak-symmetric coronas |
title_fullStr |
Phenomenology of magnetic black holes with electroweak-symmetric coronas |
title_full_unstemmed |
Phenomenology of magnetic black holes with electroweak-symmetric coronas |
title_sort |
phenomenology of magnetic black holes with electroweak-symmetric coronas |
publisher |
SpringerOpen |
series |
Journal of High Energy Physics |
issn |
1029-8479 |
publishDate |
2020-10-01 |
description |
Abstract Magnetically charged black holes (MBHs) are interesting solutions of the Standard Model and general relativity. They may possess a “hairy” electroweak-symmetric corona outside the event horizon, which speeds up their Hawking radiation and leads them to become nearly extremal on short timescales. Their masses could range from the Planck scale up to the Earth mass. We study various methods to search for primordially produced MBHs and estimate the upper limits on their abundance. We revisit the Parker bound on magnetic monopoles and show that it can be extended by several orders of magnitude using the large-scale coherent magnetic fields in Andromeda. This sets a mass-independent constraint that MBHs have an abundance less than 4 × 10 −4 times that of dark matter. MBHs can also be captured in astrophysical systems like the Sun, the Earth, or neutron stars. There, they can become non-extremal either from merging with an oppositely charged MBH or absorbing nucleons. The resulting Hawking radiation can be detected as neutri- nos, photons, or heat. High-energy neutrino searches in particular can set a stronger bound than the Parker bound for some MBH masses, down to an abundance 10 −7 of dark matter. |
topic |
Beyond Standard Model Black Holes Cosmology of Theories beyond the SM |
url |
http://link.springer.com/article/10.1007/JHEP10(2020)210 |
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