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The gravitational form factor D(t) of the electron

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Sep 2021Embargo end date: 01 Jan 2021 Italy Publisher:Elsevier BVJournal:Physics Letters B, volume 820, page 136,501 (issn: 0370-2693,

Authors: Simone Rodini; Simone Rodini; Barbara Pasquini; Barbara Pasquini; Andreas Metz;

doi: 10.1016/j.physletb.2021.136501 , 10.48550/arxiv.2104.04207

arXiv: http://arxiv.org/abs/2104.04207

handle: 11571/1449507

The gravitational form factor D(t) of the electron

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Abstract

The electron-graviton interaction can be described in terms of the gravitational form factors of the QED energy momentum tensor. Here we focus on the form factor D(t), and we examine its properties and its interpretation in terms of internal forces at one-loop accuracy in QED. We perform the calculation by keeping separate the contributions due to the electron and the photon parts of the energy momentum tensor. We also study the case of a nonzero photon mass. Furthermore, we discuss similarities with and differences to the form factor D(t) of hadronic bound states.

18 pages, 6 figures; accepted for publication in Phys. Lett. B

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Italy

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Keywords

High Energy Physics - Theory, Physics, QC1-999, QED at one-loop, 500, FOS: Physical sciences, D(t) gravitational form factor, 530, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), High Energy Physics - Theory (hep-th), Energy-momentum tensor

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Funded by

NSF| Hard Scattering Processes in QCD, EC| STRONG-2020