First events from the CNGS neutrino beam detected in the OPERA experiment

被引：99

作者：

Acquafredda, R. ^{[1
]}

Agafonova, N.

Ambrosio, M.

Anokhina, A.

Aoki, S.

Ariga, A.

Arrabito, L.

Autiero, D.

Badertscher, A.

Baussan, E.

Bergnoli, A.

Bersani Greggio, F.

Besnier, M.

Beyer, M.

Bondil-Blin, S.

Borer, K.

Boucrot, J.

Boyarkin, V.

Bozza, C.

Brugnera, R.

Buontempo, S.

Caffari, Y.

Campagne, J. E.

Carlus, B.

Carrara, E.

Cazes, A.

Chaussard, L.

Chernyavsky, M.

Chiarella, V.

Chon-Sen, N.

Chukanov, A.

Ciesielski, R.

Consiglio, L.

Cozzi, M.

Dal Corso, F.

D'Ambrosio, N.

Damet, J.

De Lellis, G.

Declais, Y.

Descombes, T.

De Serio, M.

Di Capua, F.

Di Ferdinando, D.

Di Giovanni, A.

Di Marco, N.

Di Troia, C.

Dmitrievski, S.

Dracos, M.

Duchesneau, D.

Dulach, B.

机构：

[1] Univ Naples Federico II, Dipartimento Fis, I-80125 Naples, Italy

[2] Ist Nazl Fis Nucl, I-80125 Naples, Italy

[3] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[4] Moscow MV Lomonosov State Univ, SINP, Moscow 119992, Russia

[5] Kobe Univ, Kobe, Hyogo 657, Japan

[6] Nagoya Univ, Nagoya, Aichi 46401, Japan

[7] Univ Lyon 1, IPNL, CNRS, F-69622 Villeurbanne, France

[8] ETH, CH-8092 Zurich, Switzerland

[9] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy

[10] Ist Nazl Fis Nucl, I-35131 Padua, Italy

[11] Ist Nazl Fis Nucl, Nazl Frascati Lab, I-00044 Frascati, Italy

[12] Univ Savoie, CNRS, LAPP, F-74941 Annecy Le Vieux, France

[13] Univ Rostock, Fachbereich Phys, D-18051 Rostock, Germany

[14] Univ Paris Sud 11, CNRS, LAL, F-91898 Orsay, France

[15] Univ Bern, CH-3012 Bern, Switzerland

[16] Univ Salerno, Dipartimento Fis, I-84084 Salerno, Italy

[17] Ist Nazl Fis Nucl, I-84084 Salerno, Italy

[18] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 117924, Russia

[19] Univ Strasbourg 1, CNRS, IPHC, F-67037 Strasbourg, France

[20] Joint Inst Nucl Res, Dubna 141980, Russia

[21] Univ Bologna, Dipartimento Fis, I-40127 Bologna, Italy

[22] Ist Nazl Fis Nucl, I-40127 Bologna, Italy

[23] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Coppito, Italy

[24] Univ Bari, Dipartmento Fis, I-70126 Bari, Italy

[25] Ist Nazl Fis Nucl, I-70126 Bari, Italy

[26] Univ Aquila, Dipartimento Fis, I-67100 Laquila, Italy

[27] Ist Nazl Fis Nucl, I-67100 Laquila, Italy

[28] Univ Hamburg, D-22043 Hamburg, Germany

[29] Univ Munster, D-48149 Munster, Germany

[30] Toho Univ, Chiba 2748510, Japan

[31] Obninsk State Univ, Inst Nucl Power Engn, Obninsk 249020, Russia

[32] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[33] Middle E Tech Univ, TR-06531 Ankara, Turkey

[34] Univ Neuchatel, CH-2000 Neuchatel, Switzerland

[35] Rudjer Boskovic Inst, Zagreb 10002, Croatia

[36] Gyeongsang Natl Univ, Gazwadong 660300, Jinju, South Korea

[37] Aichi Univ Educ, Kariya, Aichi 448, Japan

[38] Univ Sofia, Fac Phys, Sofia 1000, Bulgaria

[39] UPNHE, Tunis 1060, Tunisia

[40] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[41] Ist Nazl Fis Nucl, I-00185 Rome, Italy

[42] Utsunomiya Univ, Utsunomiya, Tochigi 320, Japan

[43] Inst Theoret & Expt Phys, Moscow 117259, Russia

[44] Univ Libre Bruxelles, IIHE, B-1050 Brussels, Belgium

来源：

NEW JOURNAL OF PHYSICS | 2006年 / 8卷

关键词：

D O I：

10.1088/1367-2630/8/12/303

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The OPERA neutrino detector at the underground Gran Sasso Laboratory (LNGS) was designed to perform the first detection of neutrino oscillations in appearance mode, through the study of nu(mu) --> nu(tau) oscillations. The apparatus consists of a lead/emulsion-film target complemented by electronic detectors. It is placed in the high-energy, long-baseline CERN to LNGS beam (CNGS) 730 km away from the neutrino source. In August 2006, a first run with CNGS neutrinos was successfully conducted. A first sample of neutrino events was collected, statistically consistent with the integrated beam intensity. After a brief description of the beam and of the various sub-detectors, we report on the achievement of this milestone, presenting the first data and some analysis results.

引用

页数：14

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