Journal article
High-temperature limit of Breit-Wheeler pair production in a black-body field
- Abstract:
- This paper presents an analytic expression for the high-temperature limit of Breit–Wheeler pair production in a black-body field to lowest order in perturbation theory, of interest in early-universe cosmology. The limit is found to be a good approximation for temperatures above about three times the electron rest energy. It is also found that coupling to low-energy processes remains important at arbitrarily high temperatures, due to the exchange of a low-energy virtual fermion near the mass shell. This appears mathematically in the rate as a logarithmic factor of the photon temperature divided by the electron rest mass.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 694.4KB, Terms of use)
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- Publisher copy:
- 10.1016/j.rinp.2022.105917
Authors
- Publisher:
- Elsevier
- Journal:
- Results in Physics More from this journal
- Volume:
- 41
- Article number:
- 105917
- Publication date:
- 2022-08-19
- Acceptance date:
- 2022-08-13
- DOI:
- EISSN:
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2211-3797
- Language:
-
English
- Keywords:
- Pubs id:
-
1275271
- Local pid:
-
pubs:1275271
- Deposit date:
-
2022-08-23
Terms of use
- Copyright holder:
- Beesley and Rose
- Copyright date:
- 2022
- Rights statement:
- © 2022 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
- Licence:
- CC Attribution (CC BY)
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