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Results from the OPERA experiment

The OPERA neutrino experiment was designed to perform a unique vτ appearance measurement in the vμ CNGS beam to confirm the oscillation mechanism in the atmospheric sector vμ → vτ. The detection of vτ leptons produced in vτ CC interactions and of their decays is accomplished exploiting the high spat...

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Autor principal: Di Crescenzo, A
Lenguaje:eng
Publicado: 2017
Materias:
Acceso en línea:https://dx.doi.org/10.1051/epjconf/201716401025
http://cds.cern.ch/record/2315468
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author Di Crescenzo, A
author_facet Di Crescenzo, A
author_sort Di Crescenzo, A
collection CERN
description The OPERA neutrino experiment was designed to perform a unique vτ appearance measurement in the vμ CNGS beam to confirm the oscillation mechanism in the atmospheric sector vμ → vτ. The detection of vτ leptons produced in vτ CC interactions and of their decays is accomplished exploiting the high spatial resolution of nuclear emulsions. Five vτ candidate events have been detected in the full data sample from 2008-2012 CNGS runs, with an expected background of 0.25 events. The background only hypothesis is rejected with a significance larger than 5 σ. The analysis of the tau neutrino sample in the framework of the 3+1 neutrino model is also presented. Furthermore OPERA good capabilities in detecting electron neutrino interactions allow setting limits on the vμ → ve oscillation channel.
id oai-inspirehep.net-1641551
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2017
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spelling oai-inspirehep.net-16415512019-09-30T06:29:59Zdoi:10.1051/epjconf/201716401025http://cds.cern.ch/record/2315468engDi Crescenzo, AResults from the OPERA experimentParticle Physics - ExperimentThe OPERA neutrino experiment was designed to perform a unique vτ appearance measurement in the vμ CNGS beam to confirm the oscillation mechanism in the atmospheric sector vμ → vτ. The detection of vτ leptons produced in vτ CC interactions and of their decays is accomplished exploiting the high spatial resolution of nuclear emulsions. Five vτ candidate events have been detected in the full data sample from 2008-2012 CNGS runs, with an expected background of 0.25 events. The background only hypothesis is rejected with a significance larger than 5 σ. The analysis of the tau neutrino sample in the framework of the 3+1 neutrino model is also presented. Furthermore OPERA good capabilities in detecting electron neutrino interactions allow setting limits on the vμ → ve oscillation channel.oai:inspirehep.net:16415512017
spellingShingle Particle Physics - Experiment
Di Crescenzo, A
Results from the OPERA experiment
title Results from the OPERA experiment
title_full Results from the OPERA experiment
title_fullStr Results from the OPERA experiment
title_full_unstemmed Results from the OPERA experiment
title_short Results from the OPERA experiment
title_sort results from the opera experiment
topic Particle Physics - Experiment
url https://dx.doi.org/10.1051/epjconf/201716401025
http://cds.cern.ch/record/2315468
work_keys_str_mv AT dicrescenzoa resultsfromtheoperaexperiment