Lorentz violation in simple QED processes

We determine the effect of a CPT-even and Lorentz violating nonminimal coupling on the differential cross sections for some of the most important tree-level processes in QED, namely, Compton and Bhabha scatterings, as well as electron-positron annihilation. Experimental limits constraining the allow...

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Hauptverfasser: Brito, Gustavo Pazzini de (VerfasserIn) , Guaitolini Junior, J. T. (VerfasserIn) , Kroff, D. (VerfasserIn) , Cavalcanti Malta, Pedro (VerfasserIn) , Marques, C. (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 15 September 2016
In: Physical review
Year: 2016, Jahrgang: 94, Heft: 5
ISSN:2470-0029
DOI:10.1103/PhysRevD.94.056005
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.94.056005
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.94.056005
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Verfasserangaben:G.P. de Brito, J.T. Guaitolini Junior, D. Kroff, P.C. Malta, and C. Marques
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Zusammenfassung:We determine the effect of a CPT-even and Lorentz violating nonminimal coupling on the differential cross sections for some of the most important tree-level processes in QED, namely, Compton and Bhabha scatterings, as well as electron-positron annihilation. Experimental limits constraining the allowed deviation of the differential cross sections relative to pure QED allow us to place upper bounds on the Lorentz violating parameters. A constraint based on the decay rate of parapositronium is also obtained.
Beschreibung:Received 8 June 2016
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Beschreibung:Online Resource
ISSN:2470-0029
DOI:10.1103/PhysRevD.94.056005