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  Radiative corrections to the leptonic Dirac CP-violating phase

Ohlsson, T., Zhang, H., & Zhou, S. (2013). Radiative corrections to the leptonic Dirac CP-violating phase. Physical Review D, 87(1): 013012, pp. 1-12. doi:10.1103/PhysRevD.87.013012.

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1211.3153 (Preprint), 683KB
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http://link.aps.org/doi/10.1103/PhysRevD.87.013012 (Verlagsversion)
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 Urheber:
Ohlsson, Tommy1, Autor
Zhang, He2, Autor           
Zhou, Shun1, Autor
Affiliations:
1 1Department of Theoretical Physics, School of Engineering Sciences, KTH Royal Institute of Technology, AlbaNova University Center, 106 91 Stockholm, Sweden, ou_persistent22              
2Werner Rodejohann - ERC Starting Grant, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907556              

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Schlagwörter: High Energy Physics - Phenomenology, hep-ph,High Energy Physics - Experiment, hep-ex
 Zusammenfassung: Since the smallest leptonic mixing angle theta_{13} has been measured to be relatively large, it is quite promising to constrain or determine the leptonic Dirac CP-violating phase delta in future neutrino oscillation experiments. Given some typical values of delta = pi/2, pi, and 3pi/2 at the low-energy scale, as well as current experimental results of the other neutrino parameters, we perform a systematic study of the radiative corrections to delta by using the one-loop renormalization group equations in the minimal supersymmetric standard model and the universal extra-dimensional model. It turns out that delta is rather stable against radiative corrections in both models, except for the minimal supersymmetric standard model with a very large value of tan beta. Both cases of Majorana and Dirac neutrinos are discussed. In addition, we use the preliminary indication of delta = (1.08^{+0.28}_{-0.31}) pi or delta = (1.67^{+0.37}_{-0.77}) pi from the latest global-fit analyses of data from neutrino oscillation experiments to illustrate how it will be modified by radiative corrections.

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 Datum: 2012-11-132013-01-29
 Publikationsstatus: Online veröffentlicht
 Seiten: 23 pages, 4 eps figures, minor changes, matches the published version
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Titel: Physical Review D
  Andere : Phys. Rev. D.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Lancaster, Pa. : Published for the American Physical Society by the American Institute of Physics
Seiten: - Band / Heft: 87 (1) Artikelnummer: 013012 Start- / Endseite: 1 - 12 Identifikator: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258