| Autor: |
D. S. Cabral, A. F. Santos, R. Bufalo |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
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| Zdroj: |
European Physical Journal C: Particles and Fields, Vol 83, Iss 12, Pp 1-8 (2023) |
| Druh dokumentu: |
article |
| ISSN: |
1434-6052 |
| DOI: |
10.1140/epjc/s10052-023-12281-5 |
| Popis: |
Abstract In this paper we examine the pair production through the Breit–Wheeler process $$\gamma ~\gamma \rightarrow e^+ e^-$$ γ γ → e + e - in a thermal background. We compute the thermal contribution to the Breit–Wheeler differential cross section within the thermofield dynamics formalism. We evaluate in details the cross section for this process, which possess a surprisingly simple expression valid for any temperature $$\beta $$ β , from which we discuss some physically relevant aspects. We also consider the high temperature regime of the cross section in order to have a better understanding about its thermal behavior. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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