Journal
ANNALS OF PHYSICS
Volume 428, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.aop.2021.168451
Keywords
Finite Temperature; Lorentz violation; Cross-section
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Funding
- CNPq, Brazil projects [308611/2017-9, 430194/20188]
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This paper considers a Lorentz-violating CPT-even non-minimal coupling term, leading to a new interaction term between fermions and photons. The differential cross-section for Bhabha scattering at finite temperature is calculated, with temperature effects introduced using Thermo-Field Dynamics (TFD) formalism. It is shown that the differential cross-section is altered by both Lorentz violation and finite temperature.
In this paper a Lorentz-violating CPT-even non-minimal coupling term is considered. A new interaction term between fermions and photons emerges. In this context, the differential cross-section for Bhabha scattering at finite temperature is calculated. The temperature effects are introduced using the Thermo-Field Dynamics (TFD) formalism. It is shown that the differential cross-section is changed due to both effects, Lorentz violation and finite temperature. (C) 2021 Elsevier Inc. All rights reserved.
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