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Quantifying the sensitivity of oscillation experiments to the neutrino mass ordering

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dc.contributor.authorBlennow, Mattiasen
dc.contributor.authorColoma, Pilaren
dc.contributor.authorHuber, Patricken
dc.contributor.authorSchwetz, Thomasen
dc.contributor.departmentCenter for Neutrino Physicsen
dc.date.accessioned2019-03-13T12:51:49Zen
dc.date.available2019-03-13T12:51:49Zen
dc.date.issued2014-03-05en
dc.description.abstractDetermining the type of the neutrino mass ordering ( normal versus inverted) is one of the most important open questions in neutrino physics. In this paper we clarify the statistical interpretation of sensitivity calculations for this measurement. We employ standard frequentist methods of hypothesis testing in order to precisely define terms like the median sensitivity of an experiment. We consider a test statistic T which in a certain limit will be normal distributed. We show that the median sensitivity in this limit is very close to standard sensitivities based on Delta chi(2) values from a data set without statistical fluctuations, such as widely used in the literature. Furthermore, we perform an explicit Monte Carlo simulation of the INO, JUNO, LBNE, NO nu A, and PINGU experiments in order to verify the validity of the Gaussian limit, and provide a comparison of the expected sensitivities for those experiments.en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1007/JHEP03(2014)028en
dc.identifier.issn1029-8479en
dc.identifier.issue3en
dc.identifier.other28en
dc.identifier.urihttp://hdl.handle.net/10919/88429en
dc.language.isoen_USen
dc.publisherSpringeren
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectNeutrino Physicsen
dc.subjectStatistical Methodsen
dc.titleQuantifying the sensitivity of oscillation experiments to the neutrino mass orderingen
dc.title.serialJournal of High Energy Physicsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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