Measurement of the neutrino velocity with the OPERA detector in the CNGS beam

T. Adam, N. Agafonova, A. Aleksandrov, O. Altinok, P. Alvarez Sanchez, A. Anokhina, S. Aoki, A. Ariga, Tomoko Ariga, D. Autiero, A. Badertscher, A. Ben Dhahbi, A. Bertolin, C. Bozza, T. Brugière, R. Brugnera, F. Brunet, G. Brunetti, S. Buontempo, B. CarlusF. Cavanna, A. Cazes, L. Chaussard, M. Chernyavsky, V. Chiarella, A. Chukanov, G. Colosimo, M. Crespi, N. D'Ambrosio, G. De Lellis, M. De Serio, Y. Déclais, P. Del Amo Sanchez, F. Di Capua, A. Di Crescenzo, D. Di Ferdinando, N. Di Marco, S. Dmitrievsky, M. Dracos, D. Duchesneau, S. Dusini, T. Dzhatdoev, J. Ebert, I. Efthymiopoulos, O. Egorov, A. Ereditato, L. S. Esposito, J. Favier, T. Ferber, R. A. Fini, T. Fukuda, A. Garfagnini, G. Giacomelli, M. Giorgini, M. Giovannozzi, C. Girerd, J. Goldberg, C. Göllnitz, D. Golubkov, L. Goncharova, Y. Gornushkin, G. Grella, F. Grianti, E. Gschwendtner, C. Guerin, A. M. Guler, C. Gustavino, C. Hagner, K. Hamada, T. Hara, R. Enikeev, M. Hierholzer, A. Hollnagel, M. Ieva, H. Ishida, K. Ishiguro, K. Jakovcic, C. Jollet, M. Jones, F. Juget, M. Kamiscioglu, J. Kawada, S. H. Kim, M. Kimura, E. Kiritsis, N. Kitagawa, B. Klicek, J. Knuesel, K. Kodama, M. Komatsu, U. Kose, I. Kreslo, C. Lazzaro, J. Lenkeit, A. Ljubicic, A. Longhin, A. Malgin, G. Mandrioli, J. Marteau, T. Matsuo, V. Matveev, N. Mauri, A. Mazzoni, E. Medinaceli, F. Meisel, A. Meregaglia, P. Migliozzi, S. Mikado, D. Missiaen, P. Monacelli, K. Morishima, U. Moser, M. T. Muciaccia, N. Naganawa, T. Naka, M. Nakamura, T. Nakano, Y. Nakatsuka, D. Naumov, V. Nikitina, F. Nitti, S. Ogawa, N. Okateva, A. Olchevsky, O. Palamara, A. Paoloni, B. D. Park, I. G. Park, A. Pastore, L. Patrizii, E. Pennacchio, H. Pessard, C. Pistillo, N. Polukhina, M. Pozzato, K. Pretzl, F. Pupilli, R. Rescigno, F. Riguzzi, T. Roganova, H. Rokujo, G. Rosa, I. Rostovtseva, A. Rubbia, A. Russo, V. Ryasny, O. Ryazhskaya, O. Sato, Y. Sato, Z. Sahnoun, A. Schembri, J. Schuler, L. Scotto Lavina, J. Serrano, I. Shakiryanova, A. Sheshukov, H. Shibuya, G. Shoziyoev, S. Simone, M. Sioli, C. Sirignano, G. Sirri, J. S. Song, M. Spinetti, L. Stanco, N. Starkov, S. Stellacci, M. Stipcevic, T. Strauss, S. Takahashi, M. Tenti, F. Terranova, I. Tezuka, V. Tioukov, P. Tolun, N. T. Tran, S. Tufanli, P. Vilain, M. Vladimirov, L. Votano, J. L. Vuilleumier, G. Wilquet, B. Wonsak, J. Wurtz, V. Yakushev, C. S. Yoon, J. Yoshida, Y. Zaitsev, S. Zemskova, A. Zghiche

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

The OPERA neutrino experiment at the underground Gran Sasso Laboratory has measured the velocity of neutrinos from the CERN CNGS beam over a baseline of about 730 km. The measurement is based on data taken by OPERA in the years 2009, 2010 and 2011. Dedicated upgrades of the CNGS timing system and of the OPERA detector, as well as a high precision geodesy campaign for the measurement of the neutrino baseline, allowed reaching comparable systematic and statistical accuracies. An arrival time of CNGS muon neutrinos with respect to the one computed assuming the speed of light in vacuum of (6:5 ± 7:4 (stat:) +8.34 -8.0(sys:)) ns was measured corresponding to a relative difference of the muon neutrino velocity with respect to the speed of light (v - c)=c = (2:7 ± 3:1 (stat:) +3.4 -3:3 (sys:)) × 10 -6. The above result, obtained by comparing the time distributions of neutrino interactions and of protons hitting the CNGS target in 10.5 μs long extractions, was confirmed by a test performed at the end of 2011 using a short bunch beam allowing to measure the neutrino time of ight at the single interaction level.

Original languageEnglish
Article number093
JournalJournal of High Energy Physics
Volume2012
Issue number10
DOIs
Publication statusPublished - Nov 12 2012

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neutrinos
detectors
muons
geodesy
arrivals
time measurement
interactions
vacuum
protons

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Adam, T., Agafonova, N., Aleksandrov, A., Altinok, O., Sanchez, P. A., Anokhina, A., ... Zghiche, A. (2012). Measurement of the neutrino velocity with the OPERA detector in the CNGS beam. Journal of High Energy Physics, 2012(10), [093]. https://doi.org/10.1007/JHEP10(2012)093

Measurement of the neutrino velocity with the OPERA detector in the CNGS beam. / Adam, T.; Agafonova, N.; Aleksandrov, A.; Altinok, O.; Sanchez, P. Alvarez; Anokhina, A.; Aoki, S.; Ariga, A.; Ariga, Tomoko; Autiero, D.; Badertscher, A.; Dhahbi, A. Ben; Bertolin, A.; Bozza, C.; Brugière, T.; Brugnera, R.; Brunet, F.; Brunetti, G.; Buontempo, S.; Carlus, B.; Cavanna, F.; Cazes, A.; Chaussard, L.; Chernyavsky, M.; Chiarella, V.; Chukanov, A.; Colosimo, G.; Crespi, M.; D'Ambrosio, N.; De Lellis, G.; De Serio, M.; Déclais, Y.; Del Amo Sanchez, P.; Di Capua, F.; Di Crescenzo, A.; Di Ferdinando, D.; Di Marco, N.; Dmitrievsky, S.; Dracos, M.; Duchesneau, D.; Dusini, S.; Dzhatdoev, T.; Ebert, J.; Efthymiopoulos, I.; Egorov, O.; Ereditato, A.; Esposito, L. S.; Favier, J.; Ferber, T.; Fini, R. A.; Fukuda, T.; Garfagnini, A.; Giacomelli, G.; Giorgini, M.; Giovannozzi, M.; Girerd, C.; Goldberg, J.; Göllnitz, C.; Golubkov, D.; Goncharova, L.; Gornushkin, Y.; Grella, G.; Grianti, F.; Gschwendtner, E.; Guerin, C.; Guler, A. M.; Gustavino, C.; Hagner, C.; Hamada, K.; Hara, T.; Enikeev, R.; Hierholzer, M.; Hollnagel, A.; Ieva, M.; Ishida, H.; Ishiguro, K.; Jakovcic, K.; Jollet, C.; Jones, M.; Juget, F.; Kamiscioglu, M.; Kawada, J.; Kim, S. H.; Kimura, M.; Kiritsis, E.; Kitagawa, N.; Klicek, B.; Knuesel, J.; Kodama, K.; Komatsu, M.; Kose, U.; Kreslo, I.; Lazzaro, C.; Lenkeit, J.; Ljubicic, A.; Longhin, A.; Malgin, A.; Mandrioli, G.; Marteau, J.; Matsuo, T.; Matveev, V.; Mauri, N.; Mazzoni, A.; Medinaceli, E.; Meisel, F.; Meregaglia, A.; Migliozzi, P.; Mikado, S.; Missiaen, D.; Monacelli, P.; Morishima, K.; Moser, U.; Muciaccia, M. T.; Naganawa, N.; Naka, T.; Nakamura, M.; Nakano, T.; Nakatsuka, Y.; Naumov, D.; Nikitina, V.; Nitti, F.; Ogawa, S.; Okateva, N.; Olchevsky, A.; Palamara, O.; Paoloni, A.; Park, B. D.; Park, I. G.; Pastore, A.; Patrizii, L.; Pennacchio, E.; Pessard, H.; Pistillo, C.; Polukhina, N.; Pozzato, M.; Pretzl, K.; Pupilli, F.; Rescigno, R.; Riguzzi, F.; Roganova, T.; Rokujo, H.; Rosa, G.; Rostovtseva, I.; Rubbia, A.; Russo, A.; Ryasny, V.; Ryazhskaya, O.; Sato, O.; Sato, Y.; Sahnoun, Z.; Schembri, A.; Schuler, J.; Lavina, L. Scotto; Serrano, J.; Shakiryanova, I.; Sheshukov, A.; Shibuya, H.; Shoziyoev, G.; Simone, S.; Sioli, M.; Sirignano, C.; Sirri, G.; Song, J. S.; Spinetti, M.; Stanco, L.; Starkov, N.; Stellacci, S.; Stipcevic, M.; Strauss, T.; Takahashi, S.; Tenti, M.; Terranova, F.; Tezuka, I.; Tioukov, V.; Tolun, P.; Tran, N. T.; Tufanli, S.; Vilain, P.; Vladimirov, M.; Votano, L.; Vuilleumier, J. L.; Wilquet, G.; Wonsak, B.; Wurtz, J.; Yakushev, V.; Yoon, C. S.; Yoshida, J.; Zaitsev, Y.; Zemskova, S.; Zghiche, A.

In: Journal of High Energy Physics, Vol. 2012, No. 10, 093, 12.11.2012.

Research output: Contribution to journalArticle

Adam, T, Agafonova, N, Aleksandrov, A, Altinok, O, Sanchez, PA, Anokhina, A, Aoki, S, Ariga, A, Ariga, T, Autiero, D, Badertscher, A, Dhahbi, AB, Bertolin, A, Bozza, C, Brugière, T, Brugnera, R, Brunet, F, Brunetti, G, Buontempo, S, Carlus, B, Cavanna, F, Cazes, A, Chaussard, L, Chernyavsky, M, Chiarella, V, Chukanov, A, Colosimo, G, Crespi, M, D'Ambrosio, N, De Lellis, G, De Serio, M, Déclais, Y, Del Amo Sanchez, P, Di Capua, F, Di Crescenzo, A, Di Ferdinando, D, Di Marco, N, Dmitrievsky, S, Dracos, M, Duchesneau, D, Dusini, S, Dzhatdoev, T, Ebert, J, Efthymiopoulos, I, Egorov, O, Ereditato, A, Esposito, LS, Favier, J, Ferber, T, Fini, RA, Fukuda, T, Garfagnini, A, Giacomelli, G, Giorgini, M, Giovannozzi, M, Girerd, C, Goldberg, J, Göllnitz, C, Golubkov, D, Goncharova, L, Gornushkin, Y, Grella, G, Grianti, F, Gschwendtner, E, Guerin, C, Guler, AM, Gustavino, C, Hagner, C, Hamada, K, Hara, T, Enikeev, R, Hierholzer, M, Hollnagel, A, Ieva, M, Ishida, H, Ishiguro, K, Jakovcic, K, Jollet, C, Jones, M, Juget, F, Kamiscioglu, M, Kawada, J, Kim, SH, Kimura, M, Kiritsis, E, Kitagawa, N, Klicek, B, Knuesel, J, Kodama, K, Komatsu, M, Kose, U, Kreslo, I, Lazzaro, C, Lenkeit, J, Ljubicic, A, Longhin, A, Malgin, A, Mandrioli, G, Marteau, J, Matsuo, T, Matveev, V, Mauri, N, Mazzoni, A, Medinaceli, E, Meisel, F, Meregaglia, A, Migliozzi, P, Mikado, S, Missiaen, D, Monacelli, P, Morishima, K, Moser, U, Muciaccia, MT, Naganawa, N, Naka, T, Nakamura, M, Nakano, T, Nakatsuka, Y, Naumov, D, Nikitina, V, Nitti, F, Ogawa, S, Okateva, N, Olchevsky, A, Palamara, O, Paoloni, A, Park, BD, Park, IG, Pastore, A, Patrizii, L, Pennacchio, E, Pessard, H, Pistillo, C, Polukhina, N, Pozzato, M, Pretzl, K, Pupilli, F, Rescigno, R, Riguzzi, F, Roganova, T, Rokujo, H, Rosa, G, Rostovtseva, I, Rubbia, A, Russo, A, Ryasny, V, Ryazhskaya, O, Sato, O, Sato, Y, Sahnoun, Z, Schembri, A, Schuler, J, Lavina, LS, Serrano, J, Shakiryanova, I, Sheshukov, A, Shibuya, H, Shoziyoev, G, Simone, S, Sioli, M, Sirignano, C, Sirri, G, Song, JS, Spinetti, M, Stanco, L, Starkov, N, Stellacci, S, Stipcevic, M, Strauss, T, Takahashi, S, Tenti, M, Terranova, F, Tezuka, I, Tioukov, V, Tolun, P, Tran, NT, Tufanli, S, Vilain, P, Vladimirov, M, Votano, L, Vuilleumier, JL, Wilquet, G, Wonsak, B, Wurtz, J, Yakushev, V, Yoon, CS, Yoshida, J, Zaitsev, Y, Zemskova, S & Zghiche, A 2012, 'Measurement of the neutrino velocity with the OPERA detector in the CNGS beam', Journal of High Energy Physics, vol. 2012, no. 10, 093. https://doi.org/10.1007/JHEP10(2012)093
Adam T, Agafonova N, Aleksandrov A, Altinok O, Sanchez PA, Anokhina A et al. Measurement of the neutrino velocity with the OPERA detector in the CNGS beam. Journal of High Energy Physics. 2012 Nov 12;2012(10). 093. https://doi.org/10.1007/JHEP10(2012)093
Adam, T. ; Agafonova, N. ; Aleksandrov, A. ; Altinok, O. ; Sanchez, P. Alvarez ; Anokhina, A. ; Aoki, S. ; Ariga, A. ; Ariga, Tomoko ; Autiero, D. ; Badertscher, A. ; Dhahbi, A. Ben ; Bertolin, A. ; Bozza, C. ; Brugière, T. ; Brugnera, R. ; Brunet, F. ; Brunetti, G. ; Buontempo, S. ; Carlus, B. ; Cavanna, F. ; Cazes, A. ; Chaussard, L. ; Chernyavsky, M. ; Chiarella, V. ; Chukanov, A. ; Colosimo, G. ; Crespi, M. ; D'Ambrosio, N. ; De Lellis, G. ; De Serio, M. ; Déclais, Y. ; Del Amo Sanchez, P. ; Di Capua, F. ; Di Crescenzo, A. ; Di Ferdinando, D. ; Di Marco, N. ; Dmitrievsky, S. ; Dracos, M. ; Duchesneau, D. ; Dusini, S. ; Dzhatdoev, T. ; Ebert, J. ; Efthymiopoulos, I. ; Egorov, O. ; Ereditato, A. ; Esposito, L. S. ; Favier, J. ; Ferber, T. ; Fini, R. A. ; Fukuda, T. ; Garfagnini, A. ; Giacomelli, G. ; Giorgini, M. ; Giovannozzi, M. ; Girerd, C. ; Goldberg, J. ; Göllnitz, C. ; Golubkov, D. ; Goncharova, L. ; Gornushkin, Y. ; Grella, G. ; Grianti, F. ; Gschwendtner, E. ; Guerin, C. ; Guler, A. M. ; Gustavino, C. ; Hagner, C. ; Hamada, K. ; Hara, T. ; Enikeev, R. ; Hierholzer, M. ; Hollnagel, A. ; Ieva, M. ; Ishida, H. ; Ishiguro, K. ; Jakovcic, K. ; Jollet, C. ; Jones, M. ; Juget, F. ; Kamiscioglu, M. ; Kawada, J. ; Kim, S. H. ; Kimura, M. ; Kiritsis, E. ; Kitagawa, N. ; Klicek, B. ; Knuesel, J. ; Kodama, K. ; Komatsu, M. ; Kose, U. ; Kreslo, I. ; Lazzaro, C. ; Lenkeit, J. ; Ljubicic, A. ; Longhin, A. ; Malgin, A. ; Mandrioli, G. ; Marteau, J. ; Matsuo, T. ; Matveev, V. ; Mauri, N. ; Mazzoni, A. ; Medinaceli, E. ; Meisel, F. ; Meregaglia, A. ; Migliozzi, P. ; Mikado, S. ; Missiaen, D. ; Monacelli, P. ; Morishima, K. ; Moser, U. ; Muciaccia, M. T. ; Naganawa, N. ; Naka, T. ; Nakamura, M. ; Nakano, T. ; Nakatsuka, Y. ; Naumov, D. ; Nikitina, V. ; Nitti, F. ; Ogawa, S. ; Okateva, N. ; Olchevsky, A. ; Palamara, O. ; Paoloni, A. ; Park, B. D. ; Park, I. G. ; Pastore, A. ; Patrizii, L. ; Pennacchio, E. ; Pessard, H. ; Pistillo, C. ; Polukhina, N. ; Pozzato, M. ; Pretzl, K. ; Pupilli, F. ; Rescigno, R. ; Riguzzi, F. ; Roganova, T. ; Rokujo, H. ; Rosa, G. ; Rostovtseva, I. ; Rubbia, A. ; Russo, A. ; Ryasny, V. ; Ryazhskaya, O. ; Sato, O. ; Sato, Y. ; Sahnoun, Z. ; Schembri, A. ; Schuler, J. ; Lavina, L. Scotto ; Serrano, J. ; Shakiryanova, I. ; Sheshukov, A. ; Shibuya, H. ; Shoziyoev, G. ; Simone, S. ; Sioli, M. ; Sirignano, C. ; Sirri, G. ; Song, J. S. ; Spinetti, M. ; Stanco, L. ; Starkov, N. ; Stellacci, S. ; Stipcevic, M. ; Strauss, T. ; Takahashi, S. ; Tenti, M. ; Terranova, F. ; Tezuka, I. ; Tioukov, V. ; Tolun, P. ; Tran, N. T. ; Tufanli, S. ; Vilain, P. ; Vladimirov, M. ; Votano, L. ; Vuilleumier, J. L. ; Wilquet, G. ; Wonsak, B. ; Wurtz, J. ; Yakushev, V. ; Yoon, C. S. ; Yoshida, J. ; Zaitsev, Y. ; Zemskova, S. ; Zghiche, A. / Measurement of the neutrino velocity with the OPERA detector in the CNGS beam. In: Journal of High Energy Physics. 2012 ; Vol. 2012, No. 10.
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title = "Measurement of the neutrino velocity with the OPERA detector in the CNGS beam",
abstract = "The OPERA neutrino experiment at the underground Gran Sasso Laboratory has measured the velocity of neutrinos from the CERN CNGS beam over a baseline of about 730 km. The measurement is based on data taken by OPERA in the years 2009, 2010 and 2011. Dedicated upgrades of the CNGS timing system and of the OPERA detector, as well as a high precision geodesy campaign for the measurement of the neutrino baseline, allowed reaching comparable systematic and statistical accuracies. An arrival time of CNGS muon neutrinos with respect to the one computed assuming the speed of light in vacuum of (6:5 ± 7:4 (stat:) +8.34 -8.0(sys:)) ns was measured corresponding to a relative difference of the muon neutrino velocity with respect to the speed of light (v - c)=c = (2:7 ± 3:1 (stat:) +3.4 -3:3 (sys:)) × 10 -6. The above result, obtained by comparing the time distributions of neutrino interactions and of protons hitting the CNGS target in 10.5 μs long extractions, was confirmed by a test performed at the end of 2011 using a short bunch beam allowing to measure the neutrino time of ight at the single interaction level.",
author = "T. Adam and N. Agafonova and A. Aleksandrov and O. Altinok and Sanchez, {P. Alvarez} and A. Anokhina and S. Aoki and A. Ariga and Tomoko Ariga and D. Autiero and A. Badertscher and Dhahbi, {A. Ben} and A. Bertolin and C. Bozza and T. Brugi{\`e}re and R. Brugnera and F. Brunet and G. Brunetti and S. Buontempo and B. Carlus and F. Cavanna and A. Cazes and L. Chaussard and M. Chernyavsky and V. Chiarella and A. Chukanov and G. Colosimo and M. Crespi and N. D'Ambrosio and {De Lellis}, G. and {De Serio}, M. and Y. D{\'e}clais and {Del Amo Sanchez}, P. and {Di Capua}, F. and {Di Crescenzo}, A. and {Di Ferdinando}, D. and {Di Marco}, N. and S. Dmitrievsky and M. Dracos and D. Duchesneau and S. Dusini and T. Dzhatdoev and J. Ebert and I. Efthymiopoulos and O. Egorov and A. Ereditato and Esposito, {L. S.} and J. Favier and T. Ferber and Fini, {R. A.} and T. Fukuda and A. Garfagnini and G. Giacomelli and M. Giorgini and M. Giovannozzi and C. Girerd and J. Goldberg and C. G{\"o}llnitz and D. Golubkov and L. Goncharova and Y. Gornushkin and G. Grella and F. Grianti and E. Gschwendtner and C. Guerin and Guler, {A. M.} and C. Gustavino and C. Hagner and K. Hamada and T. Hara and R. Enikeev and M. Hierholzer and A. Hollnagel and M. Ieva and H. Ishida and K. Ishiguro and K. Jakovcic and C. Jollet and M. Jones and F. Juget and M. Kamiscioglu and J. Kawada and Kim, {S. H.} and M. Kimura and E. Kiritsis and N. Kitagawa and B. Klicek and J. Knuesel and K. Kodama and M. Komatsu and U. Kose and I. Kreslo and C. Lazzaro and J. Lenkeit and A. Ljubicic and A. Longhin and A. Malgin and G. Mandrioli and J. Marteau and T. Matsuo and V. Matveev and N. Mauri and A. Mazzoni and E. Medinaceli and F. Meisel and A. Meregaglia and P. Migliozzi and S. Mikado and D. Missiaen and P. Monacelli and K. Morishima and U. Moser and Muciaccia, {M. T.} and N. Naganawa and T. Naka and M. Nakamura and T. Nakano and Y. Nakatsuka and D. Naumov and V. Nikitina and F. Nitti and S. Ogawa and N. Okateva and A. Olchevsky and O. Palamara and A. Paoloni and Park, {B. D.} and Park, {I. G.} and A. Pastore and L. Patrizii and E. Pennacchio and H. Pessard and C. Pistillo and N. Polukhina and M. Pozzato and K. Pretzl and F. Pupilli and R. Rescigno and F. Riguzzi and T. Roganova and H. Rokujo and G. Rosa and I. Rostovtseva and A. Rubbia and A. Russo and V. Ryasny and O. Ryazhskaya and O. Sato and Y. Sato and Z. Sahnoun and A. Schembri and J. Schuler and Lavina, {L. Scotto} and J. Serrano and I. Shakiryanova and A. Sheshukov and H. Shibuya and G. Shoziyoev and S. Simone and M. Sioli and C. Sirignano and G. Sirri and Song, {J. S.} and M. Spinetti and L. Stanco and N. Starkov and S. Stellacci and M. Stipcevic and T. Strauss and S. Takahashi and M. Tenti and F. Terranova and I. Tezuka and V. Tioukov and P. Tolun and Tran, {N. T.} and S. Tufanli and P. Vilain and M. Vladimirov and L. Votano and Vuilleumier, {J. L.} and G. Wilquet and B. Wonsak and J. Wurtz and V. Yakushev and Yoon, {C. S.} and J. Yoshida and Y. Zaitsev and S. Zemskova and A. Zghiche",
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TY - JOUR

T1 - Measurement of the neutrino velocity with the OPERA detector in the CNGS beam

AU - Adam, T.

AU - Agafonova, N.

AU - Aleksandrov, A.

AU - Altinok, O.

AU - Sanchez, P. Alvarez

AU - Anokhina, A.

AU - Aoki, S.

AU - Ariga, A.

AU - Ariga, Tomoko

AU - Autiero, D.

AU - Badertscher, A.

AU - Dhahbi, A. Ben

AU - Bertolin, A.

AU - Bozza, C.

AU - Brugière, T.

AU - Brugnera, R.

AU - Brunet, F.

AU - Brunetti, G.

AU - Buontempo, S.

AU - Carlus, B.

AU - Cavanna, F.

AU - Cazes, A.

AU - Chaussard, L.

AU - Chernyavsky, M.

AU - Chiarella, V.

AU - Chukanov, A.

AU - Colosimo, G.

AU - Crespi, M.

AU - D'Ambrosio, N.

AU - De Lellis, G.

AU - De Serio, M.

AU - Déclais, Y.

AU - Del Amo Sanchez, P.

AU - Di Capua, F.

AU - Di Crescenzo, A.

AU - Di Ferdinando, D.

AU - Di Marco, N.

AU - Dmitrievsky, S.

AU - Dracos, M.

AU - Duchesneau, D.

AU - Dusini, S.

AU - Dzhatdoev, T.

AU - Ebert, J.

AU - Efthymiopoulos, I.

AU - Egorov, O.

AU - Ereditato, A.

AU - Esposito, L. S.

AU - Favier, J.

AU - Ferber, T.

AU - Fini, R. A.

AU - Fukuda, T.

AU - Garfagnini, A.

AU - Giacomelli, G.

AU - Giorgini, M.

AU - Giovannozzi, M.

AU - Girerd, C.

AU - Goldberg, J.

AU - Göllnitz, C.

AU - Golubkov, D.

AU - Goncharova, L.

AU - Gornushkin, Y.

AU - Grella, G.

AU - Grianti, F.

AU - Gschwendtner, E.

AU - Guerin, C.

AU - Guler, A. M.

AU - Gustavino, C.

AU - Hagner, C.

AU - Hamada, K.

AU - Hara, T.

AU - Enikeev, R.

AU - Hierholzer, M.

AU - Hollnagel, A.

AU - Ieva, M.

AU - Ishida, H.

AU - Ishiguro, K.

AU - Jakovcic, K.

AU - Jollet, C.

AU - Jones, M.

AU - Juget, F.

AU - Kamiscioglu, M.

AU - Kawada, J.

AU - Kim, S. H.

AU - Kimura, M.

AU - Kiritsis, E.

AU - Kitagawa, N.

AU - Klicek, B.

AU - Knuesel, J.

AU - Kodama, K.

AU - Komatsu, M.

AU - Kose, U.

AU - Kreslo, I.

AU - Lazzaro, C.

AU - Lenkeit, J.

AU - Ljubicic, A.

AU - Longhin, A.

AU - Malgin, A.

AU - Mandrioli, G.

AU - Marteau, J.

AU - Matsuo, T.

AU - Matveev, V.

AU - Mauri, N.

AU - Mazzoni, A.

AU - Medinaceli, E.

AU - Meisel, F.

AU - Meregaglia, A.

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PY - 2012/11/12

Y1 - 2012/11/12

N2 - The OPERA neutrino experiment at the underground Gran Sasso Laboratory has measured the velocity of neutrinos from the CERN CNGS beam over a baseline of about 730 km. The measurement is based on data taken by OPERA in the years 2009, 2010 and 2011. Dedicated upgrades of the CNGS timing system and of the OPERA detector, as well as a high precision geodesy campaign for the measurement of the neutrino baseline, allowed reaching comparable systematic and statistical accuracies. An arrival time of CNGS muon neutrinos with respect to the one computed assuming the speed of light in vacuum of (6:5 ± 7:4 (stat:) +8.34 -8.0(sys:)) ns was measured corresponding to a relative difference of the muon neutrino velocity with respect to the speed of light (v - c)=c = (2:7 ± 3:1 (stat:) +3.4 -3:3 (sys:)) × 10 -6. The above result, obtained by comparing the time distributions of neutrino interactions and of protons hitting the CNGS target in 10.5 μs long extractions, was confirmed by a test performed at the end of 2011 using a short bunch beam allowing to measure the neutrino time of ight at the single interaction level.

AB - The OPERA neutrino experiment at the underground Gran Sasso Laboratory has measured the velocity of neutrinos from the CERN CNGS beam over a baseline of about 730 km. The measurement is based on data taken by OPERA in the years 2009, 2010 and 2011. Dedicated upgrades of the CNGS timing system and of the OPERA detector, as well as a high precision geodesy campaign for the measurement of the neutrino baseline, allowed reaching comparable systematic and statistical accuracies. An arrival time of CNGS muon neutrinos with respect to the one computed assuming the speed of light in vacuum of (6:5 ± 7:4 (stat:) +8.34 -8.0(sys:)) ns was measured corresponding to a relative difference of the muon neutrino velocity with respect to the speed of light (v - c)=c = (2:7 ± 3:1 (stat:) +3.4 -3:3 (sys:)) × 10 -6. The above result, obtained by comparing the time distributions of neutrino interactions and of protons hitting the CNGS target in 10.5 μs long extractions, was confirmed by a test performed at the end of 2011 using a short bunch beam allowing to measure the neutrino time of ight at the single interaction level.

UR - http://www.scopus.com/inward/record.url?scp=84868537223&partnerID=8YFLogxK

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U2 - 10.1007/JHEP10(2012)093

DO - 10.1007/JHEP10(2012)093

M3 - Article

AN - SCOPUS:84868537223

VL - 2012

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1126-6708

IS - 10

M1 - 093

ER -