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SUMMARY:Physics reach of Long Baseline Experiments in presence of a eV sca
 le sterile neutrino
DTSTART;VALUE=DATE-TIME:20161027T130000Z
DTEND;VALUE=DATE-TIME:20161027T143000Z
DTSTAMP;VALUE=DATE-TIME:20260611T012908Z
UID:indico-event-2793@indico.ific.uv.es
DESCRIPTION:In this talk\, I will basically discuss the impact of one eV s
 cale sterile neutrino on the long-baseline neutrino oscillation experiment
 s taking T2K\, NO$\\nu$A and DUNE as a case study. I will start with a bri
 ef intruduction to some experimentally observed neutrino anomalies and the
 n I will intruduce an eV scale sterile neutrino with some theoretical fram
 ework\, as a possible solution to resolve those anomalies. For realistic b
 enchmark values of the mass-mixing parameters taken from global fits of os
 cillation data\, we find that the performance of all these experiments in 
 claiming the discovery of the CP-violation(CPV) induced by the standard CP
 -phase $\\delta_{13}\\equiv \\delta$ and the neutrino mass hierarchy (MH) 
 gets deteriorated. However DUNE has a good opportunity to probe the CPV in
 duced by the new CP phases $\\delta_{14}$ and $\\delta_{34}$ in contrast t
 o T2K and NO$\\nu$A where the sensitivity is less. We also estimate the ca
 pability of reconstructing the true values of two CP-phases $\\delta_{13}$
  and $\\delta_{14}$ in combined analysis of T2K and NO$\\nu$A  and then DU
 NE alone. The typical 1$\\sigma$ level uncertainties on these reconstructe
 d phases are approximately $40^0$ for $\\delta_{13}$ and $50^0$ for $\\del
 ta_{14}$ in case of T2K and NO$\\nu$A\, where as for DUNE it is $\\sim 20^
 0(30^0)$ for $\\delta_{13} (\\delta_{14})$ if $\\theta_{34}$ = 0. However 
 the reconstruction of $\\delta_{14}$ (but not that of $\\delta_{13}$) appr
 eciably degrades if $\\theta_{34}$ is large. Finally\, I will show the new
  ambiguity in resolving the octant of $\\theta_{23}$ in presence of steril
 e neutrino.\nFINANCIADO POR LA GENERALITAT VALENCIANA (Proyecto GV2016-142
 )\n\nhttps://indico.ific.uv.es/event/2793/
LOCATION:Universe 1001-Primera-1-1-1 - Paterna. Seminario
URL:https://indico.ific.uv.es/event/2793/
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