General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM

In this letter, we examine a new class of CPT-even nonminimal interactions, between fermions and photons, deprived of higher order derivatives, that yields electric dipole moment (EDM) and magnetic dipole moment (MDM) in the context of the Dirac equation. The couplings are dimension-five CPT-even an...

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Main Authors: Jonas B. Araujo, Rodolfo Casana, Manoel M. Ferreira JR.
Format: Article
Language:English
Published: Elsevier 2016-09-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269316303306
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author Jonas B. Araujo
Rodolfo Casana
Manoel M. Ferreira JR.
author_facet Jonas B. Araujo
Rodolfo Casana
Manoel M. Ferreira JR.
author_sort Jonas B. Araujo
collection DOAJ
description In this letter, we examine a new class of CPT-even nonminimal interactions, between fermions and photons, deprived of higher order derivatives, that yields electric dipole moment (EDM) and magnetic dipole moment (MDM) in the context of the Dirac equation. The couplings are dimension-five CPT-even and Lorentz-violating nonminimal structures, composed of a rank-2 tensor, Tμν, the electromagnetic tensor, and gamma matrices, being addressed in its axial and non-axial Hermitian versions, and also comprising general possibilities. We then use the electron's anomalous magnetic dipole moment and electron electric dipole moment measurements to reach upper bounds of 1 part in 1020 and 1025 (eV)−1.
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spelling doaj.art-e75193acbb6c466897670f58dfbd44802022-12-22T01:15:33ZengElsevierPhysics Letters B0370-26931873-24452016-09-01760C30230810.1016/j.physletb.2016.06.070General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDMJonas B. AraujoRodolfo CasanaManoel M. Ferreira JR.In this letter, we examine a new class of CPT-even nonminimal interactions, between fermions and photons, deprived of higher order derivatives, that yields electric dipole moment (EDM) and magnetic dipole moment (MDM) in the context of the Dirac equation. The couplings are dimension-five CPT-even and Lorentz-violating nonminimal structures, composed of a rank-2 tensor, Tμν, the electromagnetic tensor, and gamma matrices, being addressed in its axial and non-axial Hermitian versions, and also comprising general possibilities. We then use the electron's anomalous magnetic dipole moment and electron electric dipole moment measurements to reach upper bounds of 1 part in 1020 and 1025 (eV)−1.http://www.sciencedirect.com/science/article/pii/S0370269316303306
spellingShingle Jonas B. Araujo
Rodolfo Casana
Manoel M. Ferreira JR.
General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM
Physics Letters B
title General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM
title_full General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM
title_fullStr General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM
title_full_unstemmed General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM
title_short General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM
title_sort general cpt even dimension five nonminimal couplings between fermions and photons yielding edm and mdm
url http://www.sciencedirect.com/science/article/pii/S0370269316303306
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AT rodolfocasana generalcptevendimensionfivenonminimalcouplingsbetweenfermionsandphotonsyieldingedmandmdm
AT manoelmferreirajr generalcptevendimensionfivenonminimalcouplingsbetweenfermionsandphotonsyieldingedmandmdm