Running of oscillation parameters in matter with flavor-diagonal non-standard interactions of the neutrino

dc.contributor.authorAgarwalla, S. K.en
dc.contributor.authorKao, Y.en
dc.contributor.authorSaha, D.en
dc.contributor.authorTakeuchi, Tatsuen
dc.contributor.departmentInstitute for Particle, Nuclear and Astronomical Sciences (IPNAS)en
dc.contributor.departmentCenter for Neutrino Physicsen
dc.contributor.departmentPhysicsen
dc.date.accessioned2018-02-19T08:34:28Zen
dc.date.available2018-02-19T08:34:28Zen
dc.date.issued2015-11-05en
dc.description.abstractIn this article we unravel the role of matter effect in neutrino oscillation in the presence of lepton-flavor-conserving, non-universal non-standard interactions (NSI’s) of the neutrino. Employing the Jacobi method, we derive approximate analytical expressions for the effective mass-squared differences and mixing angles in matter. It is shown that, within the effective mixing matrix, the Standard Model (SM) W-exchange interaction only affects θ<sub>12</sub> and θ<sub>13</sub>, while the flavor-diagonal NSI’s only affect θ<sub>23</sub>. The CP-violating phase δ remains unaffected. Using our simple and compact analytical approximation, we study the impact of the flavor-diagonal NSI’s on the neutrino oscillation probabilities for various appearance and disappearance channels. At higher energies and longer baselines, it is found that the impact of the NSI’s can be significant in the ν<sub>µ</sub> → ν<sub>µ</sub> channel, which can probed in future atmospheric neutrino experiments, if the NSI’s are of the order of their current upper bounds. Our analysis also enables us to explore the possible degeneracy between the octant of θ<sub>23</sub> and the sign of the NSI parameter for a given choice of mass hierarchy in a simple manner.en
dc.description.versionPublished versionen
dc.format.extent70 pagesen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1007/JHEP11(2015)035en
dc.identifier.issn1029-8479en
dc.identifier.issue11en
dc.identifier.orcidTakeuchi, T [0000-0002-3594-5149]en
dc.identifier.urihttp://hdl.handle.net/10919/82175en
dc.language.isoenen
dc.publisherSpringeren
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000365024200001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectPhysics, Particles & Fieldsen
dc.subjectPhysicsen
dc.subjectNeutrino Physicsen
dc.subjectBeyond Standard Modelen
dc.subjectRIGHT SYMMETRY-BREAKINGen
dc.subjectBROKEN LEPTON NUMBERen
dc.subjectMISSING ENERGYen
dc.subjectE(+)E(-) COLLISIONSen
dc.subjectPHOTONIC EVENTSen
dc.subjectROOT-Sen
dc.subjectMULTIPHOTON EVENTSen
dc.subjectCP VIOLATIONen
dc.subject3-NEUTRINO OSCILLATIONSen
dc.subjectELECTROWEAK PARAMETERSen
dc.titleRunning of oscillation parameters in matter with flavor-diagonal non-standard interactions of the neutrinoen
dc.title.serialJournal of High Energy Physicsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Scienceen
pubs.organisational-group/Virginia Tech/Science/COS T&R Facultyen
pubs.organisational-group/Virginia Tech/Science/Physicsen

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