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- Title
THE PROTOPHOBIC X-BOSON COUPLED TO QUANTUM ELECTRODYNAMICS.
- Authors
NEVES, M. J.; ABREU, E. M. C.; HELAYËL-NETOE, J. A.
- Abstract
The possible origin of an X-boson having a mass value around 17 MeV had motivated us to investigate its interaction with leptons of QED. This new hypothetical particle can possibly be a candidate to describe the socalled fifth interaction in a new physics scenario beyond the Standard Model. The simplest X-boson model unified to the Standard Model is based on an SUc(3) × SUL(2) × UY (1) × U(1)B−L symmetry, where the group U(1)B−L is attached to the X-boson, with a kinetic mixing with the gauge field of UY (1). The Higgs sector was revisited to generate the mass for the new boson. Thus, the mass of 17 MeV fixes a vacuum expected value scale. Thereby, we could estimate the mass of the hidden Higgs field through both the VEV-scaleand the Higgs’couplings. A model of QFTwas constructed in a renormalizable Rξ-gauge, and we analyze its perturbative structure. After that, the radiative correction of the X-boson propagator has been calculated at one-loop approximation to yield the Yukawa potentialcorrection. The form factors associated with the QED-vertex correction were calculated to confirm the electron’s anomalous magnetic moment together with the computation of the interaction magnitude. The muon case was discussed. Furthermore, we have introduced a renormalization group scheme to explore the running X-boson mass and its coupling constant with the leptons of the Standard Model.
- Subjects
QUANTUM electrodynamics; HYPOTHETICAL particles; COUPLING constants; RENORMALIZATION group; RADIATIVE corrections; LEPTONS (Nuclear physics)
- Publication
Acta Physica Polonica B, 2020, Vol 51, Issue 4, p909
- ISSN
0587-4254
- Publication type
Article
- DOI
10.5506/APhysPolB.51.909