Quantum Gravity Correction to Co-bimaximal Neutrino Mixings
Keywords:
Neutrino Oscillation, Quantum Gravity effect
Abstract
The quantum gravity may have strong consequence for neutrino oscillation phenemomenon. We found a significant modification of neutrino oscillation due to quantum gravity effects in specific case. We also assume that just above the electroweak scale, neutrino masses are degenerate and their mixing is co-bimaximal. Quantum gravity (Planck scale effects) leads to an effective SU(2)L × U(1) invariant dimension-5 Lagrangian involving, neutrino and Higgs fields. On symmetry breaking, this operator gives rise to correction to the neutrino masses and mixing. The gravitational interaction (MX=Mpl) demands that the element of this perturbation matrix should be independent of flavor indices. In this paper, we compute the deviation of the three neutrino mixing angles due to Planck scale effects in a co-bimaximal scheme. We found that the change in θ 12 can be as large as 3.15oDownloads
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[3] T2K Collaboration, K.Abeet al.,Phys.Rev.Lett.107 (2011), 041801.
[4] Day Bay Collaboration, F.P Anet al.,Phys.Rev.Lett.108 (2012), 171803.
[5] E.Ma,Phys.Lett.B755 (2016) , 348-350.
[6] D V Ahluwalia and C Burgard Gen. Rel. Grav. 28 1161 (1996)
[7] D V Ahluwalia and C Burgard Phys. Rev D 57 4724 (1998)
[8] S Weinberg Phys.Rev.Lett.431566(1979).
[9] F Vissani et al.,Phys.Lett. B571 209 (2003).
[10] Bipin Singh Koranga Mohan Narayan and S Uma Sankar Phys.Lett.B665
63 (2000)
[11] S R Coleman et al.,Phys.Rev.D 59 116008 (1995)
[12] Bipin Singh Koranga Mod.Phys.Lett.A25 2183 2010
[13] C Kraus et al.,Eur.Phys. J 33 (2004).
[14] Super-Kamiokande Collaboration, J Hosaka, et al.,Phys. RevD 74 32002 (2006).
[15] KamLAND Collaboration J Hosaka et al., Phys.Rev.Lett. 94 08180 (2005)
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[17] Guo X et al., hep − ex/0701029
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[19] MINOS Collaboration,P Adsmson et al., Phys.Rev.Lett 101,131082 (2008)
[20] M Apollonio et al.,Phys.Lett B466 415 (1999)
Published
2020-11-20
How to Cite
Koranga, B., Nautiyal, V., & Narayan, M. (2020). Quantum Gravity Correction to Co-bimaximal Neutrino Mixings. Boson Journal of Modern Physics, 7(1), 24-35. Retrieved from http://scitecresearch.com/journals/index.php/bjmp/article/view/1937
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