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Measuring tau neutrino appearance probability via unitarity

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dc.contributor.authorMartinez-Soler, Ivanen
dc.contributor.authorMinakata, Hisakazuen
dc.date.accessioned2022-09-14T14:31:42Zen
dc.date.available2022-09-14T14:31:42Zen
dc.date.issued2021-11-16en
dc.description.abstractWe propose a unitarity method for determining tau neutrino appearance probability P(nu mu -> nu tau) in longbaseline (LBL) accelerator experiments and atmospheric neutrino observations. When simultaneous in situ measurements of P(nu mu -> nu mu) and P(nu mu -> nu e) proceed, as is typical in the LBL experiments, one can use unitarity to "measure" P(nu mu -> nu tau). A theorists' toy analysis for the model-independent determination of P(nu mu -> nu mu) and P(nu mu -> nu e) is presented by using the NOvA data. It is shown in our analysis that less than or similar to 5% (8%) measurement of tau neutrino appearance probability in neutrino (antineutrino) mode is possible in the peak region 1.5 less than or similar to E nu less than or similar to 2.5 GeV. The nu SM-independent nature of determination of the probabilities is emphasized.en
dc.description.notesWe thank Alex Himmel and Mark Messier for very informative correspondences on the NOvA experiments with many helpful suggestions without which we were not able to reach our analysis framework in its current form. We are benefited by useful communications with Pedro Machado, Kimihiro Okumura, and Masashi Yokoyama. Fermilab is operated by the Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the United States Department of Energy.en
dc.description.sponsorshipUnited States Department of Energy [DE-AC02-07CH11359]en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1103/PhysRevD.104.093006en
dc.identifier.eissn2470-0029en
dc.identifier.issn2470-0010en
dc.identifier.issue9en
dc.identifier.other93006en
dc.identifier.urihttp://hdl.handle.net/10919/111826en
dc.identifier.volume104en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectmassen
dc.subjectcollisionsen
dc.subjectsymmetryen
dc.titleMeasuring tau neutrino appearance probability via unitarityen
dc.title.serialPhysical Review Den
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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