On the photon mass in Very Special Relativity

Abstract

In Very Special Relativity (VSR) a gauge invariant photon mass is allowed. We explore some consequences of keeping this parameter not zero. VSR-Maxwell equations are presented. In addition, we show modifications to the Feynman rules keeping the photon mass and we apply it in the computation of the electron self energy, whose result is free from infrared divergences. A computation of the Coulomb scattering is developed and a small signal of the privileged direction predicted in the theory is present at tree level. Radiative corrections are computed and the photon mass cancels due to soft photon emission as in the standard case.

12 pages, 5 figures. v2: Changes in the section II. References updated. v3: Version accepted in PRD

References in corpus (5)

• Very Special Relativity
• A Lorentz-Violating Origin of Neutrino Mass?
• SIM(2)-invariant Modifications of Electrodynamic Theory
• Electroweak standard model with very special relativity
• A $Sim(2)$ invariant dimensional regularization

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