Observation of a first vτ candidate event in the OPERA experiment in the CNGS beam
Identifieur interne : 000363 ( PascalFrancis/Curation ); précédent : 000362; suivant : 000364Observation of a first vτ candidate event in the OPERA experiment in the CNGS beam
Auteurs : N. Agafonova [Russie] ; A. Aleksandrov [Russie] ; O. Altinok [Turquie] ; M. Ambrosio [Italie] ; A. Anokhina [Russie] ; S. Aoki [Japon] ; A. Ariga [Suisse] ; T. Ariga [Suisse] ; D. Autiero [France] ; A. Badertscher [Suisse] ; A. Bagulya [Russie] ; A. Bendhabi [Tunisie] ; A. Bertolin [Italie] ; M. Besnier [France] ; D. Bick [Allemagne] ; V. Boyarkin [Russie] ; C. Bozza [Italie] ; T. Brugiere [France] ; R. Brugnera [Italie] ; F. Brunet [France] ; G. Brunetti [France, Italie] ; S. Buontempo [Italie] ; A. Cazes [France] ; L. Chaussard [France] ; M. Chernyavsky [Russie] ; V. Chiarella [Italie] ; N. Chon-Sen [France] ; A. Chukanov [Russie] ; R. Ciesielski [Italie] ; F. Dal Corso [Italie] ; N. D'Ambrosio [Italie] ; Y. Declais [France] ; P. Del Amo Sanchez [France] ; G. De Lellis [Italie] ; M. De Serio [Italie] ; F. Di Capua [Italie] ; A. Di Crescenzo [Italie] ; D. Di Ferdinando [Italie] ; N. Di Marco [Italie] ; A. Di Giovanni [Italie] ; S. Dmitrievsky [Russie] ; M. Dracos [France] ; D. Duchesneau [France] ; S. Dusini [Italie] ; T. Dzhatdoev [Russie] ; J. Ebert [Allemagne] ; O. Egorov [Russie] ; R. Enikeev [Russie] ; A. Ereditato [Suisse] ; L. S. Esposito [Suisse] ; J. Favier [France] ; T. Ferber [Allemagne] ; R. A. Fini [Italie]Source :
- Physics letters. Section B [ 0370-2693 ] ; 2010.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Particule élémentaire.
English descriptors
- KwdEn :
Abstract
The OPERA neutrino detector in the underground Gran Sasso Laboratory (LNGS) has been designed to perform the first detection of neutrino oscillations in direct appearance mode through the study of the vμ → vτ channel. The hybrid apparatus consists of an emulsion/lead target complemented by electronic detectors and it is placed in the high energy long-baseline CERN to LNGS beam (CNGS) 730 km away from the neutrino source. Runs with CNGS neutrinos were successfully carried out in 2008 and 2009. After a brief description of the beam, the experimental setup and the procedures used for the analysis of the neutrino events, we describe the topology and kinematics of a first candidate vτ charged-current event satisfying the kinematical selection criteria. The background calculations and their cross-check are explained in detail and the significance of the event is assessed.
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<s3>ITA</s3>
<sZ>35 aut.</sZ>
<sZ>53 aut.</sZ>
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<country>Italie</country>
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<author><name sortKey="Di Capua, F" sort="Di Capua, F" uniqKey="Di Capua F" first="F." last="Di Capua">F. Di Capua</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>INFN Sezione di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>4 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>34 aut.</sZ>
<sZ>36 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Di Crescenzo, A" sort="Di Crescenzo, A" uniqKey="Di Crescenzo A" first="A." last="Di Crescenzo">A. Di Crescenzo</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>INFN Sezione di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>4 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>34 aut.</sZ>
<sZ>36 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="21"><s1>Dipartimento di Scienze Fisiche dell'Università Federico II di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>34 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Di Ferdinando, D" sort="Di Ferdinando, D" uniqKey="Di Ferdinando D" first="D." last="Di Ferdinando">D. Di Ferdinando</name>
<affiliation wicri:level="1"><inist:fA14 i1="23"><s1>INFN Sezione di Bologna</s1>
<s2>40127 Bologna</s2>
<s3>ITA</s3>
<sZ>38 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Di Marco, N" sort="Di Marco, N" uniqKey="Di Marco N" first="N." last="Di Marco">N. Di Marco</name>
<affiliation wicri:level="1"><inist:fA14 i1="24"><s1>Dipartimento di Fisica dell'Università dell'Aquila and INFN "Gruppo Collegato de L'Aquila"</s1>
<s2>67100 L'Aquila</s2>
<s3>ITA</s3>
<sZ>39 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Di Giovanni, A" sort="Di Giovanni, A" uniqKey="Di Giovanni A" first="A." last="Di Giovanni">A. Di Giovanni</name>
<affiliation wicri:level="1"><inist:fA14 i1="20"><s1>INFN - Laboratori Nazionali del Gran Sasso</s1>
<s2>67010 Assergi (L'Aquila)</s2>
<s3>ITA</s3>
<sZ>31 aut.</sZ>
<sZ>40 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Dmitrievsky, S" sort="Dmitrievsky, S" uniqKey="Dmitrievsky S" first="S." last="Dmitrievsky">S. Dmitrievsky</name>
<affiliation wicri:level="1"><inist:fA14 i1="19"><s1>JINR -Joint Institute for Nuclear Research</s1>
<s2>141980 Dubna</s2>
<s3>RUS</s3>
<sZ>28 aut.</sZ>
<sZ>41 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Dracos, M" sort="Dracos, M" uniqKey="Dracos M" first="M." last="Dracos">M. Dracos</name>
<affiliation wicri:level="1"><inist:fA14 i1="18"><s1>IPHC, Université de Strasbourg, CNRS/IN2P3</s1>
<s2>67037 Strasbourg</s2>
<s3>FRA</s3>
<sZ>27 aut.</sZ>
<sZ>42 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Duchesneau, D" sort="Duchesneau, D" uniqKey="Duchesneau D" first="D." last="Duchesneau">D. Duchesneau</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>LAPP, Université de Savoie, CNRS/IN2P3</s1>
<s2>74941 Annecy-le-Vieux</s2>
<s3>FRA</s3>
<sZ>14 aut.</sZ>
<sZ>20 aut.</sZ>
<sZ>33 aut.</sZ>
<sZ>43 aut.</sZ>
<sZ>51 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Dusini, S" sort="Dusini, S" uniqKey="Dusini S" first="S." last="Dusini">S. Dusini</name>
<affiliation wicri:level="1"><inist:fA14 i1="11"><s1>INFN Sezione di Padova</s1>
<s2>35131 Padova</s2>
<s3>ITA</s3>
<sZ>13 aut.</sZ>
<sZ>19 aut.</sZ>
<sZ>29 aut.</sZ>
<sZ>30 aut.</sZ>
<sZ>44 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Dzhatdoev, T" sort="Dzhatdoev, T" uniqKey="Dzhatdoev T" first="T." last="Dzhatdoev">T. Dzhatdoev</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>MSU SINP) Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics</s1>
<s2>329992 Moscow</s2>
<s3>RUS</s3>
<sZ>5 aut.</sZ>
<sZ>45 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Ebert, J" sort="Ebert, J" uniqKey="Ebert J" first="J." last="Ebert">J. Ebert</name>
<affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Hamburg University</s1>
<s2>22761 Hamburg</s2>
<s3>DEU</s3>
<sZ>15 aut.</sZ>
<sZ>46 aut.</sZ>
<sZ>52 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
</affiliation>
</author>
<author><name sortKey="Egorov, O" sort="Egorov, O" uniqKey="Egorov O" first="O." last="Egorov">O. Egorov</name>
<affiliation wicri:level="1"><inist:fA14 i1="25"><s1>ITEP-Institute for Theoretical and Experimental Physics</s1>
<s2>317259 Moscow</s2>
<s3>RUS</s3>
<sZ>47 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Enikeev, R" sort="Enikeev, R" uniqKey="Enikeev R" first="R." last="Enikeev">R. Enikeev</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INR - Institute for Nuclear Research of the Russian Academy of Sciences</s1>
<s2>327312 Moscow</s2>
<s3>RUS</s3>
<sZ>1 aut.</sZ>
<sZ>16 aut.</sZ>
<sZ>48 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Ereditato, A" sort="Ereditato, A" uniqKey="Ereditato A" first="A." last="Ereditato">A. Ereditato</name>
<affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Albert Einstein Center for Fundamental Physics. Laboratory for High Energy Physics (LHEP), University of Bem</s1>
<s2>3012 Bern</s2>
<s3>CHE</s3>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>49 aut.</sZ>
</inist:fA14>
<country>Suisse</country>
</affiliation>
</author>
<author><name sortKey="Esposito, L S" sort="Esposito, L S" uniqKey="Esposito L" first="L. S." last="Esposito">L. S. Esposito</name>
<affiliation wicri:level="1"><inist:fA14 i1="09"><s1>ETH Zurich, Institute for Particle Physics</s1>
<s2>8093 Zurich</s2>
<s3>CHE</s3>
<sZ>10 aut.</sZ>
<sZ>50 aut.</sZ>
</inist:fA14>
<country>Suisse</country>
</affiliation>
</author>
<author><name sortKey="Favier, J" sort="Favier, J" uniqKey="Favier J" first="J." last="Favier">J. Favier</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>LAPP, Université de Savoie, CNRS/IN2P3</s1>
<s2>74941 Annecy-le-Vieux</s2>
<s3>FRA</s3>
<sZ>14 aut.</sZ>
<sZ>20 aut.</sZ>
<sZ>33 aut.</sZ>
<sZ>43 aut.</sZ>
<sZ>51 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Ferber, T" sort="Ferber, T" uniqKey="Ferber T" first="T." last="Ferber">T. Ferber</name>
<affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Hamburg University</s1>
<s2>22761 Hamburg</s2>
<s3>DEU</s3>
<sZ>15 aut.</sZ>
<sZ>46 aut.</sZ>
<sZ>52 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
</affiliation>
</author>
<author><name sortKey="Fini, R A" sort="Fini, R A" uniqKey="Fini R" first="R. A." last="Fini">R. A. Fini</name>
<affiliation wicri:level="1"><inist:fA14 i1="22"><s1>INFN Sezione di Bari</s1>
<s2>70126 Bari</s2>
<s3>ITA</s3>
<sZ>35 aut.</sZ>
<sZ>53 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">INIST</idno>
<idno type="inist">10-0352249</idno>
<date when="2010">2010</date>
<idno type="stanalyst">PASCAL 10-0352249 INIST</idno>
<idno type="RBID">Pascal:10-0352249</idno>
<idno type="wicri:Area/PascalFrancis/Corpus">000184</idno>
<idno type="wicri:Area/PascalFrancis/Curation">000363</idno>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Observation of a first v<sub>τ</sub>
candidate event in the OPERA experiment in the CNGS beam</title>
<author><name sortKey="Agafonova, N" sort="Agafonova, N" uniqKey="Agafonova N" first="N." last="Agafonova">N. Agafonova</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INR - Institute for Nuclear Research of the Russian Academy of Sciences</s1>
<s2>327312 Moscow</s2>
<s3>RUS</s3>
<sZ>1 aut.</sZ>
<sZ>16 aut.</sZ>
<sZ>48 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Aleksandrov, A" sort="Aleksandrov, A" uniqKey="Aleksandrov A" first="A." last="Aleksandrov">A. Aleksandrov</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>LPI - Lebedev Physical Institute of the Russian Academy of Sciences</s1>
<s2>119991 Moscow</s2>
<s3>RUS</s3>
<sZ>2 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>25 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Altinok, O" sort="Altinok, O" uniqKey="Altinok O" first="O." last="Altinok">O. Altinok</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>METU - Middle East Technical University</s1>
<s2>06532 Ankara</s2>
<s3>TUR</s3>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Turquie</country>
</affiliation>
</author>
<author><name sortKey="Ambrosio, M" sort="Ambrosio, M" uniqKey="Ambrosio M" first="M." last="Ambrosio">M. Ambrosio</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>INFN Sezione di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>4 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>34 aut.</sZ>
<sZ>36 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Anokhina, A" sort="Anokhina, A" uniqKey="Anokhina A" first="A." last="Anokhina">A. Anokhina</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>MSU SINP) Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics</s1>
<s2>329992 Moscow</s2>
<s3>RUS</s3>
<sZ>5 aut.</sZ>
<sZ>45 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Aoki, S" sort="Aoki, S" uniqKey="Aoki S" first="S." last="Aoki">S. Aoki</name>
<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Kobe University</s1>
<s2>657-8501 Kobe</s2>
<s3>JPN</s3>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Japon</country>
</affiliation>
</author>
<author><name sortKey="Ariga, A" sort="Ariga, A" uniqKey="Ariga A" first="A." last="Ariga">A. Ariga</name>
<affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Albert Einstein Center for Fundamental Physics. Laboratory for High Energy Physics (LHEP), University of Bem</s1>
<s2>3012 Bern</s2>
<s3>CHE</s3>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>49 aut.</sZ>
</inist:fA14>
<country>Suisse</country>
</affiliation>
</author>
<author><name sortKey="Ariga, T" sort="Ariga, T" uniqKey="Ariga T" first="T." last="Ariga">T. Ariga</name>
<affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Albert Einstein Center for Fundamental Physics. Laboratory for High Energy Physics (LHEP), University of Bem</s1>
<s2>3012 Bern</s2>
<s3>CHE</s3>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>49 aut.</sZ>
</inist:fA14>
<country>Suisse</country>
</affiliation>
</author>
<author><name sortKey="Autiero, D" sort="Autiero, D" uniqKey="Autiero D" first="D." last="Autiero">D. Autiero</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>IPNL, Université Claude Bernard Lyon I, CNRS/IN2P3</s1>
<s2>69622 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>9 aut.</sZ>
<sZ>18 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>24 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Badertscher, A" sort="Badertscher, A" uniqKey="Badertscher A" first="A." last="Badertscher">A. Badertscher</name>
<affiliation wicri:level="1"><inist:fA14 i1="09"><s1>ETH Zurich, Institute for Particle Physics</s1>
<s2>8093 Zurich</s2>
<s3>CHE</s3>
<sZ>10 aut.</sZ>
<sZ>50 aut.</sZ>
</inist:fA14>
<country>Suisse</country>
</affiliation>
</author>
<author><name sortKey="Bagulya, A" sort="Bagulya, A" uniqKey="Bagulya A" first="A." last="Bagulya">A. Bagulya</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>LPI - Lebedev Physical Institute of the Russian Academy of Sciences</s1>
<s2>119991 Moscow</s2>
<s3>RUS</s3>
<sZ>2 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>25 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Bendhabi, A" sort="Bendhabi, A" uniqKey="Bendhabi A" first="A." last="Bendhabi">A. Bendhabi</name>
<affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Unité de Physique Nucléaire et des Hautes Energies (UPNHE)</s1>
<s2>Tunis</s2>
<s3>TUN</s3>
<sZ>12 aut.</sZ>
</inist:fA14>
<country>Tunisie</country>
</affiliation>
</author>
<author><name sortKey="Bertolin, A" sort="Bertolin, A" uniqKey="Bertolin A" first="A." last="Bertolin">A. Bertolin</name>
<affiliation wicri:level="1"><inist:fA14 i1="11"><s1>INFN Sezione di Padova</s1>
<s2>35131 Padova</s2>
<s3>ITA</s3>
<sZ>13 aut.</sZ>
<sZ>19 aut.</sZ>
<sZ>29 aut.</sZ>
<sZ>30 aut.</sZ>
<sZ>44 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Besnier, M" sort="Besnier, M" uniqKey="Besnier M" first="M." last="Besnier">M. Besnier</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>LAPP, Université de Savoie, CNRS/IN2P3</s1>
<s2>74941 Annecy-le-Vieux</s2>
<s3>FRA</s3>
<sZ>14 aut.</sZ>
<sZ>20 aut.</sZ>
<sZ>33 aut.</sZ>
<sZ>43 aut.</sZ>
<sZ>51 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Bick, D" sort="Bick, D" uniqKey="Bick D" first="D." last="Bick">D. Bick</name>
<affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Hamburg University</s1>
<s2>22761 Hamburg</s2>
<s3>DEU</s3>
<sZ>15 aut.</sZ>
<sZ>46 aut.</sZ>
<sZ>52 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
</affiliation>
</author>
<author><name sortKey="Boyarkin, V" sort="Boyarkin, V" uniqKey="Boyarkin V" first="V." last="Boyarkin">V. Boyarkin</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INR - Institute for Nuclear Research of the Russian Academy of Sciences</s1>
<s2>327312 Moscow</s2>
<s3>RUS</s3>
<sZ>1 aut.</sZ>
<sZ>16 aut.</sZ>
<sZ>48 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Bozza, C" sort="Bozza, C" uniqKey="Bozza C" first="C." last="Bozza">C. Bozza</name>
<affiliation wicri:level="1"><inist:fA14 i1="14"><s1>Dipartimento di Fisica dell'Università di Salerno and INFN "Gruppo Collegato di Salerno</s1>
<s2>84084 Fisciano, Salerno</s2>
<s3>ITA</s3>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Brugiere, T" sort="Brugiere, T" uniqKey="Brugiere T" first="T." last="Brugiere">T. Brugiere</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>IPNL, Université Claude Bernard Lyon I, CNRS/IN2P3</s1>
<s2>69622 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>9 aut.</sZ>
<sZ>18 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>24 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Brugnera, R" sort="Brugnera, R" uniqKey="Brugnera R" first="R." last="Brugnera">R. Brugnera</name>
<affiliation wicri:level="1"><inist:fA14 i1="11"><s1>INFN Sezione di Padova</s1>
<s2>35131 Padova</s2>
<s3>ITA</s3>
<sZ>13 aut.</sZ>
<sZ>19 aut.</sZ>
<sZ>29 aut.</sZ>
<sZ>30 aut.</sZ>
<sZ>44 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Dipartimento di Fisica dell'Università di Padova</s1>
<s2>351311-Padova</s2>
<s3>ITA</s3>
<sZ>19 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Brunet, F" sort="Brunet, F" uniqKey="Brunet F" first="F." last="Brunet">F. Brunet</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>LAPP, Université de Savoie, CNRS/IN2P3</s1>
<s2>74941 Annecy-le-Vieux</s2>
<s3>FRA</s3>
<sZ>14 aut.</sZ>
<sZ>20 aut.</sZ>
<sZ>33 aut.</sZ>
<sZ>43 aut.</sZ>
<sZ>51 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Brunetti, G" sort="Brunetti, G" uniqKey="Brunetti G" first="G." last="Brunetti">G. Brunetti</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>IPNL, Université Claude Bernard Lyon I, CNRS/IN2P3</s1>
<s2>69622 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>9 aut.</sZ>
<sZ>18 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>24 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="16"><s1>Dipartimento di Fisica dell'Università di Bologna</s1>
<s2>40127 Bologna</s2>
<s3>ITA</s3>
<sZ>21 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Buontempo, S" sort="Buontempo, S" uniqKey="Buontempo S" first="S." last="Buontempo">S. Buontempo</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>INFN Sezione di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>4 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>34 aut.</sZ>
<sZ>36 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Cazes, A" sort="Cazes, A" uniqKey="Cazes A" first="A." last="Cazes">A. Cazes</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>IPNL, Université Claude Bernard Lyon I, CNRS/IN2P3</s1>
<s2>69622 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>9 aut.</sZ>
<sZ>18 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>24 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Chaussard, L" sort="Chaussard, L" uniqKey="Chaussard L" first="L." last="Chaussard">L. Chaussard</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>IPNL, Université Claude Bernard Lyon I, CNRS/IN2P3</s1>
<s2>69622 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>9 aut.</sZ>
<sZ>18 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>24 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Chernyavsky, M" sort="Chernyavsky, M" uniqKey="Chernyavsky M" first="M." last="Chernyavsky">M. Chernyavsky</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>LPI - Lebedev Physical Institute of the Russian Academy of Sciences</s1>
<s2>119991 Moscow</s2>
<s3>RUS</s3>
<sZ>2 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>25 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Chiarella, V" sort="Chiarella, V" uniqKey="Chiarella V" first="V." last="Chiarella">V. Chiarella</name>
<affiliation wicri:level="1"><inist:fA14 i1="17"><s1>INFN - Laboratori Nazionali di Frascati</s1>
<s2>00044 Frascati (Roma)</s2>
<s3>ITA</s3>
<sZ>26 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Chon Sen, N" sort="Chon Sen, N" uniqKey="Chon Sen N" first="N." last="Chon-Sen">N. Chon-Sen</name>
<affiliation wicri:level="1"><inist:fA14 i1="18"><s1>IPHC, Université de Strasbourg, CNRS/IN2P3</s1>
<s2>67037 Strasbourg</s2>
<s3>FRA</s3>
<sZ>27 aut.</sZ>
<sZ>42 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Chukanov, A" sort="Chukanov, A" uniqKey="Chukanov A" first="A." last="Chukanov">A. Chukanov</name>
<affiliation wicri:level="1"><inist:fA14 i1="19"><s1>JINR -Joint Institute for Nuclear Research</s1>
<s2>141980 Dubna</s2>
<s3>RUS</s3>
<sZ>28 aut.</sZ>
<sZ>41 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Ciesielski, R" sort="Ciesielski, R" uniqKey="Ciesielski R" first="R." last="Ciesielski">R. Ciesielski</name>
<affiliation wicri:level="1"><inist:fA14 i1="11"><s1>INFN Sezione di Padova</s1>
<s2>35131 Padova</s2>
<s3>ITA</s3>
<sZ>13 aut.</sZ>
<sZ>19 aut.</sZ>
<sZ>29 aut.</sZ>
<sZ>30 aut.</sZ>
<sZ>44 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Dal Corso, F" sort="Dal Corso, F" uniqKey="Dal Corso F" first="F." last="Dal Corso">F. Dal Corso</name>
<affiliation wicri:level="1"><inist:fA14 i1="11"><s1>INFN Sezione di Padova</s1>
<s2>35131 Padova</s2>
<s3>ITA</s3>
<sZ>13 aut.</sZ>
<sZ>19 aut.</sZ>
<sZ>29 aut.</sZ>
<sZ>30 aut.</sZ>
<sZ>44 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="D Ambrosio, N" sort="D Ambrosio, N" uniqKey="D Ambrosio N" first="N." last="D'Ambrosio">N. D'Ambrosio</name>
<affiliation wicri:level="1"><inist:fA14 i1="20"><s1>INFN - Laboratori Nazionali del Gran Sasso</s1>
<s2>67010 Assergi (L'Aquila)</s2>
<s3>ITA</s3>
<sZ>31 aut.</sZ>
<sZ>40 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Declais, Y" sort="Declais, Y" uniqKey="Declais Y" first="Y." last="Declais">Y. Declais</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>IPNL, Université Claude Bernard Lyon I, CNRS/IN2P3</s1>
<s2>69622 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>9 aut.</sZ>
<sZ>18 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>24 aut.</sZ>
<sZ>32 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Del Amo Sanchez, P" sort="Del Amo Sanchez, P" uniqKey="Del Amo Sanchez P" first="P." last="Del Amo Sanchez">P. Del Amo Sanchez</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>LAPP, Université de Savoie, CNRS/IN2P3</s1>
<s2>74941 Annecy-le-Vieux</s2>
<s3>FRA</s3>
<sZ>14 aut.</sZ>
<sZ>20 aut.</sZ>
<sZ>33 aut.</sZ>
<sZ>43 aut.</sZ>
<sZ>51 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="De Lellis, G" sort="De Lellis, G" uniqKey="De Lellis G" first="G." last="De Lellis">G. De Lellis</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>INFN Sezione di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>4 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>34 aut.</sZ>
<sZ>36 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="21"><s1>Dipartimento di Scienze Fisiche dell'Università Federico II di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>34 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="De Serio, M" sort="De Serio, M" uniqKey="De Serio M" first="M." last="De Serio">M. De Serio</name>
<affiliation wicri:level="1"><inist:fA14 i1="22"><s1>INFN Sezione di Bari</s1>
<s2>70126 Bari</s2>
<s3>ITA</s3>
<sZ>35 aut.</sZ>
<sZ>53 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Di Capua, F" sort="Di Capua, F" uniqKey="Di Capua F" first="F." last="Di Capua">F. Di Capua</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>INFN Sezione di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>4 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>34 aut.</sZ>
<sZ>36 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Di Crescenzo, A" sort="Di Crescenzo, A" uniqKey="Di Crescenzo A" first="A." last="Di Crescenzo">A. Di Crescenzo</name>
<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>INFN Sezione di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>4 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>34 aut.</sZ>
<sZ>36 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
<affiliation wicri:level="1"><inist:fA14 i1="21"><s1>Dipartimento di Scienze Fisiche dell'Università Federico II di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>34 aut.</sZ>
<sZ>37 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Di Ferdinando, D" sort="Di Ferdinando, D" uniqKey="Di Ferdinando D" first="D." last="Di Ferdinando">D. Di Ferdinando</name>
<affiliation wicri:level="1"><inist:fA14 i1="23"><s1>INFN Sezione di Bologna</s1>
<s2>40127 Bologna</s2>
<s3>ITA</s3>
<sZ>38 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Di Marco, N" sort="Di Marco, N" uniqKey="Di Marco N" first="N." last="Di Marco">N. Di Marco</name>
<affiliation wicri:level="1"><inist:fA14 i1="24"><s1>Dipartimento di Fisica dell'Università dell'Aquila and INFN "Gruppo Collegato de L'Aquila"</s1>
<s2>67100 L'Aquila</s2>
<s3>ITA</s3>
<sZ>39 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Di Giovanni, A" sort="Di Giovanni, A" uniqKey="Di Giovanni A" first="A." last="Di Giovanni">A. Di Giovanni</name>
<affiliation wicri:level="1"><inist:fA14 i1="20"><s1>INFN - Laboratori Nazionali del Gran Sasso</s1>
<s2>67010 Assergi (L'Aquila)</s2>
<s3>ITA</s3>
<sZ>31 aut.</sZ>
<sZ>40 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Dmitrievsky, S" sort="Dmitrievsky, S" uniqKey="Dmitrievsky S" first="S." last="Dmitrievsky">S. Dmitrievsky</name>
<affiliation wicri:level="1"><inist:fA14 i1="19"><s1>JINR -Joint Institute for Nuclear Research</s1>
<s2>141980 Dubna</s2>
<s3>RUS</s3>
<sZ>28 aut.</sZ>
<sZ>41 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Dracos, M" sort="Dracos, M" uniqKey="Dracos M" first="M." last="Dracos">M. Dracos</name>
<affiliation wicri:level="1"><inist:fA14 i1="18"><s1>IPHC, Université de Strasbourg, CNRS/IN2P3</s1>
<s2>67037 Strasbourg</s2>
<s3>FRA</s3>
<sZ>27 aut.</sZ>
<sZ>42 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Duchesneau, D" sort="Duchesneau, D" uniqKey="Duchesneau D" first="D." last="Duchesneau">D. Duchesneau</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>LAPP, Université de Savoie, CNRS/IN2P3</s1>
<s2>74941 Annecy-le-Vieux</s2>
<s3>FRA</s3>
<sZ>14 aut.</sZ>
<sZ>20 aut.</sZ>
<sZ>33 aut.</sZ>
<sZ>43 aut.</sZ>
<sZ>51 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Dusini, S" sort="Dusini, S" uniqKey="Dusini S" first="S." last="Dusini">S. Dusini</name>
<affiliation wicri:level="1"><inist:fA14 i1="11"><s1>INFN Sezione di Padova</s1>
<s2>35131 Padova</s2>
<s3>ITA</s3>
<sZ>13 aut.</sZ>
<sZ>19 aut.</sZ>
<sZ>29 aut.</sZ>
<sZ>30 aut.</sZ>
<sZ>44 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
<author><name sortKey="Dzhatdoev, T" sort="Dzhatdoev, T" uniqKey="Dzhatdoev T" first="T." last="Dzhatdoev">T. Dzhatdoev</name>
<affiliation wicri:level="1"><inist:fA14 i1="05"><s1>MSU SINP) Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics</s1>
<s2>329992 Moscow</s2>
<s3>RUS</s3>
<sZ>5 aut.</sZ>
<sZ>45 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Ebert, J" sort="Ebert, J" uniqKey="Ebert J" first="J." last="Ebert">J. Ebert</name>
<affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Hamburg University</s1>
<s2>22761 Hamburg</s2>
<s3>DEU</s3>
<sZ>15 aut.</sZ>
<sZ>46 aut.</sZ>
<sZ>52 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
</affiliation>
</author>
<author><name sortKey="Egorov, O" sort="Egorov, O" uniqKey="Egorov O" first="O." last="Egorov">O. Egorov</name>
<affiliation wicri:level="1"><inist:fA14 i1="25"><s1>ITEP-Institute for Theoretical and Experimental Physics</s1>
<s2>317259 Moscow</s2>
<s3>RUS</s3>
<sZ>47 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Enikeev, R" sort="Enikeev, R" uniqKey="Enikeev R" first="R." last="Enikeev">R. Enikeev</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>INR - Institute for Nuclear Research of the Russian Academy of Sciences</s1>
<s2>327312 Moscow</s2>
<s3>RUS</s3>
<sZ>1 aut.</sZ>
<sZ>16 aut.</sZ>
<sZ>48 aut.</sZ>
</inist:fA14>
<country>Russie</country>
</affiliation>
</author>
<author><name sortKey="Ereditato, A" sort="Ereditato, A" uniqKey="Ereditato A" first="A." last="Ereditato">A. Ereditato</name>
<affiliation wicri:level="1"><inist:fA14 i1="07"><s1>Albert Einstein Center for Fundamental Physics. Laboratory for High Energy Physics (LHEP), University of Bem</s1>
<s2>3012 Bern</s2>
<s3>CHE</s3>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>49 aut.</sZ>
</inist:fA14>
<country>Suisse</country>
</affiliation>
</author>
<author><name sortKey="Esposito, L S" sort="Esposito, L S" uniqKey="Esposito L" first="L. S." last="Esposito">L. S. Esposito</name>
<affiliation wicri:level="1"><inist:fA14 i1="09"><s1>ETH Zurich, Institute for Particle Physics</s1>
<s2>8093 Zurich</s2>
<s3>CHE</s3>
<sZ>10 aut.</sZ>
<sZ>50 aut.</sZ>
</inist:fA14>
<country>Suisse</country>
</affiliation>
</author>
<author><name sortKey="Favier, J" sort="Favier, J" uniqKey="Favier J" first="J." last="Favier">J. Favier</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>LAPP, Université de Savoie, CNRS/IN2P3</s1>
<s2>74941 Annecy-le-Vieux</s2>
<s3>FRA</s3>
<sZ>14 aut.</sZ>
<sZ>20 aut.</sZ>
<sZ>33 aut.</sZ>
<sZ>43 aut.</sZ>
<sZ>51 aut.</sZ>
</inist:fA14>
<country>France</country>
</affiliation>
</author>
<author><name sortKey="Ferber, T" sort="Ferber, T" uniqKey="Ferber T" first="T." last="Ferber">T. Ferber</name>
<affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Hamburg University</s1>
<s2>22761 Hamburg</s2>
<s3>DEU</s3>
<sZ>15 aut.</sZ>
<sZ>46 aut.</sZ>
<sZ>52 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
</affiliation>
</author>
<author><name sortKey="Fini, R A" sort="Fini, R A" uniqKey="Fini R" first="R. A." last="Fini">R. A. Fini</name>
<affiliation wicri:level="1"><inist:fA14 i1="22"><s1>INFN Sezione di Bari</s1>
<s2>70126 Bari</s2>
<s3>ITA</s3>
<sZ>35 aut.</sZ>
<sZ>53 aut.</sZ>
</inist:fA14>
<country>Italie</country>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Physics letters. Section B</title>
<title level="j" type="abbreviated">Phys. lett., Sect. B</title>
<idno type="ISSN">0370-2693</idno>
<imprint><date when="2010">2010</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">Physics letters. Section B</title>
<title level="j" type="abbreviated">Phys. lett., Sect. B</title>
<idno type="ISSN">0370-2693</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>CERN</term>
<term>Elementary particles</term>
<term>Kinematics</term>
<term>Massless particles</term>
<term>Neutrino detection</term>
<term>Neutrino oscillations</term>
<term>Neutrinos</term>
<term>Selection criterion</term>
<term>Topology</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Neutrino</term>
<term>Détection neutrino</term>
<term>Oscillation neutrino</term>
<term>CERN</term>
<term>Topologie</term>
<term>Cinématique</term>
<term>Critère sélection</term>
<term>Particule sans masse</term>
<term>Particule élémentaire</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Particule élémentaire</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">The OPERA neutrino detector in the underground Gran Sasso Laboratory (LNGS) has been designed to perform the first detection of neutrino oscillations in direct appearance mode through the study of the v<sub>μ</sub>
→ v<sub>τ </sub>
channel. The hybrid apparatus consists of an emulsion/lead target complemented by electronic detectors and it is placed in the high energy long-baseline CERN to LNGS beam (CNGS) 730 km away from the neutrino source. Runs with CNGS neutrinos were successfully carried out in 2008 and 2009. After a brief description of the beam, the experimental setup and the procedures used for the analysis of the neutrino events, we describe the topology and kinematics of a first candidate v<sub>τ</sub>
charged-current event satisfying the kinematical selection criteria. The background calculations and their cross-check are explained in detail and the significance of the event is assessed.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0370-2693</s0>
</fA01>
<fA02 i1="01"><s0>PYLBAJ</s0>
</fA02>
<fA03 i2="1"><s0>Phys. lett., Sect. B</s0>
</fA03>
<fA05><s2>691</s2>
</fA05>
<fA06><s2>3</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Observation of a first v<sub>τ</sub>
candidate event in the OPERA experiment in the CNGS beam</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>AGAFONOVA (N.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>ALEKSANDROV (A.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>ALTINOK (O.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>AMBROSIO (M.)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>ANOKHINA (A.)</s1>
</fA11>
<fA11 i1="06" i2="1"><s1>AOKI (S.)</s1>
</fA11>
<fA11 i1="07" i2="1"><s1>ARIGA (A.)</s1>
</fA11>
<fA11 i1="08" i2="1"><s1>ARIGA (T.)</s1>
</fA11>
<fA11 i1="09" i2="1"><s1>AUTIERO (D.)</s1>
</fA11>
<fA11 i1="10" i2="1"><s1>BADERTSCHER (A.)</s1>
</fA11>
<fA11 i1="11" i2="1"><s1>BAGULYA (A.)</s1>
</fA11>
<fA11 i1="12" i2="1"><s1>BENDHABI (A.)</s1>
</fA11>
<fA11 i1="13" i2="1"><s1>BERTOLIN (A.)</s1>
</fA11>
<fA11 i1="14" i2="1"><s1>BESNIER (M.)</s1>
</fA11>
<fA11 i1="15" i2="1"><s1>BICK (D.)</s1>
</fA11>
<fA11 i1="16" i2="1"><s1>BOYARKIN (V.)</s1>
</fA11>
<fA11 i1="17" i2="1"><s1>BOZZA (C.)</s1>
</fA11>
<fA11 i1="18" i2="1"><s1>BRUGIERE (T.)</s1>
</fA11>
<fA11 i1="19" i2="1"><s1>BRUGNERA (R.)</s1>
</fA11>
<fA11 i1="20" i2="1"><s1>BRUNET (F.)</s1>
</fA11>
<fA11 i1="21" i2="1"><s1>BRUNETTI (G.)</s1>
</fA11>
<fA11 i1="22" i2="1"><s1>BUONTEMPO (S.)</s1>
</fA11>
<fA11 i1="23" i2="1"><s1>CAZES (A.)</s1>
</fA11>
<fA11 i1="24" i2="1"><s1>CHAUSSARD (L.)</s1>
</fA11>
<fA11 i1="25" i2="1"><s1>CHERNYAVSKY (M.)</s1>
</fA11>
<fA11 i1="26" i2="1"><s1>CHIARELLA (V.)</s1>
</fA11>
<fA11 i1="27" i2="1"><s1>CHON-SEN (N.)</s1>
</fA11>
<fA11 i1="28" i2="1"><s1>CHUKANOV (A.)</s1>
</fA11>
<fA11 i1="29" i2="1"><s1>CIESIELSKI (R.)</s1>
</fA11>
<fA11 i1="30" i2="1"><s1>DAL CORSO (F.)</s1>
</fA11>
<fA11 i1="31" i2="1"><s1>D'AMBROSIO (N.)</s1>
</fA11>
<fA11 i1="32" i2="1"><s1>DECLAIS (Y.)</s1>
</fA11>
<fA11 i1="33" i2="1"><s1>DEL AMO SANCHEZ (P.)</s1>
</fA11>
<fA11 i1="34" i2="1"><s1>DE LELLIS (G.)</s1>
</fA11>
<fA11 i1="35" i2="1"><s1>DE SERIO (M.)</s1>
</fA11>
<fA11 i1="36" i2="1"><s1>DI CAPUA (F.)</s1>
</fA11>
<fA11 i1="37" i2="1"><s1>DI CRESCENZO (A.)</s1>
</fA11>
<fA11 i1="38" i2="1"><s1>DI FERDINANDO (D.)</s1>
</fA11>
<fA11 i1="39" i2="1"><s1>DI MARCO (N.)</s1>
</fA11>
<fA11 i1="40" i2="1"><s1>DI GIOVANNI (A.)</s1>
</fA11>
<fA11 i1="41" i2="1"><s1>DMITRIEVSKY (S.)</s1>
</fA11>
<fA11 i1="42" i2="1"><s1>DRACOS (M.)</s1>
</fA11>
<fA11 i1="43" i2="1"><s1>DUCHESNEAU (D.)</s1>
</fA11>
<fA11 i1="44" i2="1"><s1>DUSINI (S.)</s1>
</fA11>
<fA11 i1="45" i2="1"><s1>DZHATDOEV (T.)</s1>
</fA11>
<fA11 i1="46" i2="1"><s1>EBERT (J.)</s1>
</fA11>
<fA11 i1="47" i2="1"><s1>EGOROV (O.)</s1>
</fA11>
<fA11 i1="48" i2="1"><s1>ENIKEEV (R.)</s1>
</fA11>
<fA11 i1="49" i2="1"><s1>EREDITATO (A.)</s1>
</fA11>
<fA11 i1="50" i2="1"><s1>ESPOSITO (L. S.)</s1>
</fA11>
<fA11 i1="51" i2="1"><s1>FAVIER (J.)</s1>
</fA11>
<fA11 i1="52" i2="1"><s1>FERBER (T.)</s1>
</fA11>
<fA11 i1="53" i2="1"><s1>FINI (R. A.)</s1>
</fA11>
<fA14 i1="01"><s1>INR - Institute for Nuclear Research of the Russian Academy of Sciences</s1>
<s2>327312 Moscow</s2>
<s3>RUS</s3>
<sZ>1 aut.</sZ>
<sZ>16 aut.</sZ>
<sZ>48 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>LPI - Lebedev Physical Institute of the Russian Academy of Sciences</s1>
<s2>119991 Moscow</s2>
<s3>RUS</s3>
<sZ>2 aut.</sZ>
<sZ>11 aut.</sZ>
<sZ>25 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>METU - Middle East Technical University</s1>
<s2>06532 Ankara</s2>
<s3>TUR</s3>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>INFN Sezione di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>4 aut.</sZ>
<sZ>22 aut.</sZ>
<sZ>34 aut.</sZ>
<sZ>36 aut.</sZ>
<sZ>37 aut.</sZ>
</fA14>
<fA14 i1="05"><s1>MSU SINP) Lomonosov Moscow State University Skobeltsyn Institute of Nuclear Physics</s1>
<s2>329992 Moscow</s2>
<s3>RUS</s3>
<sZ>5 aut.</sZ>
<sZ>45 aut.</sZ>
</fA14>
<fA14 i1="06"><s1>Kobe University</s1>
<s2>657-8501 Kobe</s2>
<s3>JPN</s3>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="07"><s1>Albert Einstein Center for Fundamental Physics. Laboratory for High Energy Physics (LHEP), University of Bem</s1>
<s2>3012 Bern</s2>
<s3>CHE</s3>
<sZ>7 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>49 aut.</sZ>
</fA14>
<fA14 i1="08"><s1>IPNL, Université Claude Bernard Lyon I, CNRS/IN2P3</s1>
<s2>69622 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>9 aut.</sZ>
<sZ>18 aut.</sZ>
<sZ>21 aut.</sZ>
<sZ>23 aut.</sZ>
<sZ>24 aut.</sZ>
<sZ>32 aut.</sZ>
</fA14>
<fA14 i1="09"><s1>ETH Zurich, Institute for Particle Physics</s1>
<s2>8093 Zurich</s2>
<s3>CHE</s3>
<sZ>10 aut.</sZ>
<sZ>50 aut.</sZ>
</fA14>
<fA14 i1="10"><s1>Unité de Physique Nucléaire et des Hautes Energies (UPNHE)</s1>
<s2>Tunis</s2>
<s3>TUN</s3>
<sZ>12 aut.</sZ>
</fA14>
<fA14 i1="11"><s1>INFN Sezione di Padova</s1>
<s2>35131 Padova</s2>
<s3>ITA</s3>
<sZ>13 aut.</sZ>
<sZ>19 aut.</sZ>
<sZ>29 aut.</sZ>
<sZ>30 aut.</sZ>
<sZ>44 aut.</sZ>
</fA14>
<fA14 i1="12"><s1>LAPP, Université de Savoie, CNRS/IN2P3</s1>
<s2>74941 Annecy-le-Vieux</s2>
<s3>FRA</s3>
<sZ>14 aut.</sZ>
<sZ>20 aut.</sZ>
<sZ>33 aut.</sZ>
<sZ>43 aut.</sZ>
<sZ>51 aut.</sZ>
</fA14>
<fA14 i1="13"><s1>Hamburg University</s1>
<s2>22761 Hamburg</s2>
<s3>DEU</s3>
<sZ>15 aut.</sZ>
<sZ>46 aut.</sZ>
<sZ>52 aut.</sZ>
</fA14>
<fA14 i1="14"><s1>Dipartimento di Fisica dell'Università di Salerno and INFN "Gruppo Collegato di Salerno</s1>
<s2>84084 Fisciano, Salerno</s2>
<s3>ITA</s3>
<sZ>17 aut.</sZ>
</fA14>
<fA14 i1="15"><s1>Dipartimento di Fisica dell'Università di Padova</s1>
<s2>351311-Padova</s2>
<s3>ITA</s3>
<sZ>19 aut.</sZ>
</fA14>
<fA14 i1="16"><s1>Dipartimento di Fisica dell'Università di Bologna</s1>
<s2>40127 Bologna</s2>
<s3>ITA</s3>
<sZ>21 aut.</sZ>
</fA14>
<fA14 i1="17"><s1>INFN - Laboratori Nazionali di Frascati</s1>
<s2>00044 Frascati (Roma)</s2>
<s3>ITA</s3>
<sZ>26 aut.</sZ>
</fA14>
<fA14 i1="18"><s1>IPHC, Université de Strasbourg, CNRS/IN2P3</s1>
<s2>67037 Strasbourg</s2>
<s3>FRA</s3>
<sZ>27 aut.</sZ>
<sZ>42 aut.</sZ>
</fA14>
<fA14 i1="19"><s1>JINR -Joint Institute for Nuclear Research</s1>
<s2>141980 Dubna</s2>
<s3>RUS</s3>
<sZ>28 aut.</sZ>
<sZ>41 aut.</sZ>
</fA14>
<fA14 i1="20"><s1>INFN - Laboratori Nazionali del Gran Sasso</s1>
<s2>67010 Assergi (L'Aquila)</s2>
<s3>ITA</s3>
<sZ>31 aut.</sZ>
<sZ>40 aut.</sZ>
</fA14>
<fA14 i1="21"><s1>Dipartimento di Scienze Fisiche dell'Università Federico II di Napoli</s1>
<s2>80125 Napoli</s2>
<s3>ITA</s3>
<sZ>34 aut.</sZ>
<sZ>37 aut.</sZ>
</fA14>
<fA14 i1="22"><s1>INFN Sezione di Bari</s1>
<s2>70126 Bari</s2>
<s3>ITA</s3>
<sZ>35 aut.</sZ>
<sZ>53 aut.</sZ>
</fA14>
<fA14 i1="23"><s1>INFN Sezione di Bologna</s1>
<s2>40127 Bologna</s2>
<s3>ITA</s3>
<sZ>38 aut.</sZ>
</fA14>
<fA14 i1="24"><s1>Dipartimento di Fisica dell'Università dell'Aquila and INFN "Gruppo Collegato de L'Aquila"</s1>
<s2>67100 L'Aquila</s2>
<s3>ITA</s3>
<sZ>39 aut.</sZ>
</fA14>
<fA14 i1="25"><s1>ITEP-Institute for Theoretical and Experimental Physics</s1>
<s2>317259 Moscow</s2>
<s3>RUS</s3>
<sZ>47 aut.</sZ>
</fA14>
<fA20><s1>138-145</s1>
</fA20>
<fA21><s1>2010</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>9425B</s2>
<s5>354000191705970040</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2010 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>25 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>10-0352249</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Physics letters. Section B</s0>
</fA64>
<fA66 i1="01"><s0>GBR</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>The OPERA neutrino detector in the underground Gran Sasso Laboratory (LNGS) has been designed to perform the first detection of neutrino oscillations in direct appearance mode through the study of the v<sub>μ</sub>
→ v<sub>τ </sub>
channel. The hybrid apparatus consists of an emulsion/lead target complemented by electronic detectors and it is placed in the high energy long-baseline CERN to LNGS beam (CNGS) 730 km away from the neutrino source. Runs with CNGS neutrinos were successfully carried out in 2008 and 2009. After a brief description of the beam, the experimental setup and the procedures used for the analysis of the neutrino events, we describe the topology and kinematics of a first candidate v<sub>τ</sub>
charged-current event satisfying the kinematical selection criteria. The background calculations and their cross-check are explained in detail and the significance of the event is assessed.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B00</s0>
</fC02>
<fC02 i1="02" i2="3"><s0>001B20</s0>
</fC02>
<fC02 i1="03" i2="3"><s0>001B10</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Neutrino</s0>
<s5>26</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Neutrinos</s0>
<s5>26</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Détection neutrino</s0>
<s5>27</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Neutrino detection</s0>
<s5>27</s5>
</fC03>
<fC03 i1="03" i2="3" l="FRE"><s0>Oscillation neutrino</s0>
<s5>28</s5>
</fC03>
<fC03 i1="03" i2="3" l="ENG"><s0>Neutrino oscillations</s0>
<s5>28</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE"><s0>CERN</s0>
<s5>29</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG"><s0>CERN</s0>
<s5>29</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Topologie</s0>
<s5>30</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Topology</s0>
<s5>30</s5>
</fC03>
<fC03 i1="06" i2="3" l="FRE"><s0>Cinématique</s0>
<s5>31</s5>
</fC03>
<fC03 i1="06" i2="3" l="ENG"><s0>Kinematics</s0>
<s5>31</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Critère sélection</s0>
<s5>32</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Selection criterion</s0>
<s5>32</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Criterio selección</s0>
<s5>32</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Particule sans masse</s0>
<s5>33</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Massless particles</s0>
<s5>33</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE"><s0>Particule élémentaire</s0>
<s5>34</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Elementary particles</s0>
<s5>34</s5>
</fC03>
<fN21><s1>228</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
</inist>
</record>
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