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Neutrino Phenomenology of gauged Lμ−Lτ: MINOS and beyond

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons37613

Heeck,  Julian
Werner Rodejohann - ERC Starting Grant, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30951

Rodejohann,  Werner
Werner Rodejohann - ERC Starting Grant, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society;

Externe Ressourcen
Volltexte (frei zugänglich)

1012.2298
(Preprint), 72KB

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Es sind keine frei zugänglichen Ergänzenden Materialien verfügbar
Zitation

Heeck, J., & Rodejohann, W. (2011). Neutrino Phenomenology of gauged Lμ−Lτ: MINOS and beyond. American Institute of Physics Conference Proceedings, 1382, 144-146.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-40F3-F
Zusammenfassung
If a Z' gauge boson from a gauged L_mu - L_tau symmetry is very light, it is associated with a long-range leptonic force. In this case the particles in the Sun create via mixing of the Z' with the Standard Model Z a flavor-dependent potential for muon neutrinos in terrestrial long-baseline experiments. The potential changes sign for anti-neutrinos and hence can lead to apparent differences in neutrino and anti-neutrino oscillations without introducing CP or CPT violation. This could for instance explain the recently found discrepancy in the MINOS experiment. We obtain the associated parameters of gauged L_mu - L_tau required to explain this anomaly. The consequences for future long-baseline experiments are also discussed, and we compare the scenario to standard NSIs. When used to explain MINOS, both approaches have severe difficulties with existing limits.