Exploring partial μ−τ reflection symmetry at DUNE and Hyper-Kamiokande

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dc.contributor.author Chakraborty, Kaustav
dc.contributor.author Deepthi, K. N.
dc.contributor.author Goswami, Srubabati
dc.contributor.author Joshipura, Anjan S.
dc.contributor.author Nath, Newton
dc.date.accessioned 2018-12-01T05:10:35Z
dc.date.available 2018-12-01T05:10:35Z
dc.date.issued 2018-10
dc.identifier.citation Chakraborty, Kaustav; Deepthi, K.?N.; Goswami, Srubabati; Joshipura, Anjan S. and Nath, Newton, "Exploring partial ??? reflection symmetry at DUNE and Hyper-Kamiokande", Physical Review D, DOI: 10.1103/PhysRevD.98.075031, vol. 98, no. 7, Oct. 2018. en_US
dc.identifier.issn 2470-0010
dc.identifier.issn 2470-0029
dc.identifier.uri https://doi.org/10.1103/PhysRevD.98.075031
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/4029
dc.description.abstract We study the origin, consequences, and testability of a hypothesis of “partial μ−τ” reflection symmetry. This symmetry predicts |Uμi|=|Uτi|(i=1,2,3) for a single column of the leptonic mixing matrix U. Depending on whether this symmetry holds for the first or second column of U, different correlations between θ23 and δCP can be obtained. This symmetry can be obtained using discrete flavor symmetries. In particular, all of the subgroups of SU(3) with three-dimensional irreducible representation, which are classified as class C or D, can lead to partial μ−τ reflection symmetry. We show how the predictions of this symmetry compares with the allowed area in the sin2θ23−δCP plane as obtained from the global analysis of neutrino oscillation data. Furthermore, we study the possibility of testing these symmetries at the proposed DUNE and Hyper-Kamiokande (HK) experiments (T2HK, T2HKK), by incorporating the correlations between θ23 and δCP that are predicted by the symmetries. We find that when the simulated data of DUNE and HK are fitted with the symmetry predictions, the θ23−δCP parameter space gets largely restricted near the charge parity conserving values of δCP. Finally, we illustrate the capability of these experiments to distinguish between the two cases leading to partial μ−τ symmetry, namely |Uμ1|=|Uτ1| and |Uμ2|=|Uτ2|.
dc.description.statementofresponsibility by Kaustav Chakraborty, K.?NDeepthi, Srubabati Goswami,Anjan S. Joshipura and Newton Nath
dc.language.iso en en_US
dc.publisher American Physical Society en_US
dc.subject Particle phenomena en_US
dc.subject Particle mixing en_US
dc.subject Oscillations en_US
dc.subject Particle phenomena en_US
dc.subject Particle mixing and oscillations en_US
dc.subject Neutrino oscillations en_US
dc.title Exploring partial μ−τ reflection symmetry at DUNE and Hyper-Kamiokande en_US
dc.type Article en_US
dc.relation.journal Physical Review D

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