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2011

Superluminal neutrino, flavor, and relativity

Klinkhamer, F. R.

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Modified neutrino dispersion relations, which still obey the relativity principle, can have both a superluminal (muon-type) neutrino and a luminal (electron-type) neutrino, as long as neutrino-mass effects can be neglected.

The idea is to allow for flavor-dependent deformed Lorentz transformations and an appropriate hierarchy of energy scales.
If OPERA's result on a superluminal velocity of the muon-neutrino is confirmed, the model has a matching superluminal velocity of the corresponding charged lepton, the muon, at equal particle energy.
Assuming that this model is not already ruled out, new TeV-scale effects in the muon sector are predicted.

Superluminal neutrino, flavor, and relativity · Around

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Similar

F.R. Klinkhamer, “Possible new source of T and CP violation in neutrino oscillations,” Phys. Rev. D 73
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P. Adamson et al
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2007
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B. Altschul, “Astrophysical limits on Lorentz violation for all charged species,” Astropart. Phys. 28
2007
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G.W. Bennett et al
Original
2008
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K. Nakamura et al
2010
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( a) T. Adam et al
Original
Cited in the paper.
C.R. Contaldi, “The OPERA neutrino velocity result and the synchronisation of clocks,” arXiv:1109.6160; R. Alicki, “A possible statistical mechanism of anomalous neutrino velocity in OPERA experiment?,” arXiv:1109.5727; G. Henri, “A simple explanation of OPERA results without strange physics,” arXiv:1110.0239; J. Knobloch, “Is there a neutrino speed anomaly?,” arXiv:1110.0595
Original
Cited in the paper.
L. Gonzalez-Mestres, “Astrophysical consequences of the OPERA superluminal neutrino,” arXiv:1109.6630
Original
Cited in the paper.
G. Amelino-Camelia, L. Freidel, J. Kowalski-Glikman, and L. Smolin, “OPERA neutrinos and relativity,” arXiv:1110.0521
Original
Cited in the paper.
F.R. Klinkhamer, “Superluminal muon-neutrino velocity from a Fermi-point-splitting model of Lorentz violation,” arXiv:1109.5671
Original
Cited in the paper.
G.F. Giudice, S. Sibiryakov, and A. Strumia, “Interpreting OPERA results on superluminal neutrino,” arXiv:1109.5682
Original
Cited in the paper.
S. Hannestad and M.S. Sloth, “Apparent faster than light propagation from light sterile neutrinos,” arXiv:1109.6282
Original
Cited in the paper.

Then

A.G. Cohen and S.L. Glashow, “Pair creation constrains superluminal neutrino propagation,” Phys. Rev. Lett. 107
Original
2011
Closest in time.
X.-J. Bi, P.-F. Yin, Z.-H. Yu, and Q. Yuan, “Constraints and tests of the OPERA superluminal neutrinos,” Phys. Rev. Lett. 107
Original
2011
Closest in time.
F.R. Klinkhamer and G.E. Volovik, “Superluminal neutrino and spontaneous breaking of Lorentz invariance,” JETP Lett. 94
Original
2011
Closest in time.
S. Nojiri and S.D. Odintsov, “Could dynamical Lorentz symmetry breaking induce the superluminal neutrinos?,” Eur. Phys. J. C 71
Original
2011
Closest in time.

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