EFFECTS OF GRAVITATIONAL LENSING ON NEUTRINO OSCILLATION IN Γ-SPACETIME

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dc.contributor.authorChakrabarty, Hrishikesh
dc.contributor.authorBorah, Debasish
dc.contributor.authorAbdujabbarov, Ahmadjon
dc.contributor.authorMalafarina, Daniele
dc.contributor.authorAhmedov, Bobomurat
dc.date.accessioned2022-11-25T05:19:02Z
dc.date.available2022-11-25T05:19:02Z
dc.date.issued2022
dc.description.abstractWe study the effects of gravitational lensing on neutrino oscillations in the γ-spacetime which describes a static, axially-symmetric and asymptotically flat solution of the Einstein’s field equations in vacuum. Using the quantum-mechanical treatment for relativistic neutrinos, we calculate the phase of neutrino oscillations in this spacetime by considering both radial and non-radial propagation. We show the dependence of the oscillation probability on the absolute neutrino masses, which in the two-flavour case also depends upon the sign of mass squared difference, in sharp contrast with the well-known results of vacuum oscillation in flat spacetime. We also show the effects of the deformation parameter γ on neutrino oscillations and reproduce previously known results for the Schwarzschild metric. We then extend these to a more realistic three flavours neutrino scenario and study the effects of the parameter γ and the lightest neutrino mass while using best fit values of neutrino oscillation parameters.en_US
dc.identifier.citationChakrabarty, H., Borah, D., Abdujabbarov, A., Malafarina, D., & Ahmedov, B. (2022). Effects of gravitational lensing on neutrino oscillation in $$ \gamma $$-spacetime. The European Physical Journal C, 82(1). https://doi.org/10.1140/epjc/s10052-021-09982-0en_US
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/6829
dc.language.isoenen_US
dc.publisherThe European Physical Journal Cen_US
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectType of access: Open Accessen_US
dc.subjectgravitational lensingen_US
dc.titleEFFECTS OF GRAVITATIONAL LENSING ON NEUTRINO OSCILLATION IN Γ-SPACETIMEen_US
dc.typeArticleen_US
workflow.import.sourcescience

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