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The gravitational form factors of the electron in quantum electrodynamics
Freese, Adam Metz, Andreas Pasquini, Barbara Rodini, Simone
Freese, Adam
Metz, Andreas
Pasquini, Barbara
Rodini, Simone
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Journal article
Date
2023-02-15
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Physics
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https://doi.org/10.1016/j.physletb.2023.137768
Abstract
We calculate the gravitational form factors of the electron at one loop in quantum electrodynamics, decomposing these into contributions from the electron and photon parts of the energy momentum tensor. Ultraviolet divergences are removed through renormalization in the
scheme. Infrared divergences are isolated and results are given in both dimensional regularization and photon-mass regularization. The form factors contain information about the electron's energy and angular momentum structure in QED, as well as its mass radius. Whenever possible, we compare our results with the existing literature.
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Adam Freese, Andreas Metz, Barbara Pasquini, Simone Rodini, The gravitational form factors of the electron in quantum electrodynamics, Physics Letters B, Volume 839, 2023, 137768, ISSN 0370-2693, https://doi.org/10.1016/j.physletb.2023.137768.
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Elsevier
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Physics Letters B, Vol. 839
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