CP-Violation phase analysis via non-trivial correlation of quarks and leptons in 3+1 scenario

Abstract

The existence and mysterious nature of sterile neutrinos are revolutionizing physics from the particle level to the cosmological scales. The recent results from the MiniBooNE experiment at Fermi-lab observed far more ${\nu }_e$ appearance than expected, which have provided a hint about the possible existence of \textit{sterile neutrinos}. The results, if confirmed in future experiments, will have significant implications for cosmology and astroparticle physics. This will require new neutrino mass models to accommodate these additional degrees of freedom. In respect to that, the present work is just an extension of our recent work towards the CP phase analysis of Quark-lepton complementarity(QLC) model in a 3+1 scenario. The parametrization of $CK{M}_4$ and $PMN{S}_4$ using Monte Carlo Simulation is used to estimate the texture of non-trivial correlation matrix ($V_{c_4}$). As such, we have successfully investigated the constrained values for sterile neutrino parameters, and also predicted the values for Dirac CP-Violation phase and the CP re-phasing invariant (J). The results obtained are consistent with the data available from various experiments, like No$\nu$A, MINOS, SuperK and IceCube-DeepCore. Furthermore, this analysis would be very important in view of growing sterile neutrino experiments.

arXiv comment11 pages, 7 figures(with subfigures, total 14 figures), 2 tables. arXiv admin note: substantial text overlap with arXiv:1807.05785

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