Evidence for $\nu_\mu \to \nu_\tau$ appearance in the CNGS neutrino beam with the OPERA experiment - Archive ouverte HAL Access content directly
Journal Articles Physical Review D Year : 2014

Evidence for $\nu_\mu \to \nu_\tau$ appearance in the CNGS neutrino beam with the OPERA experiment

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N. Agafonova
  • Function : Author
Alexander Aleksandrov
A. Anokhina
  • Function : Author
S. Aoki
A. Ariga
  • Function : Author
T. Ariga
  • Function : Author
T. Asada
  • Function : Author
A. Ben Dhahbi
  • Function : Author
A. Badertscher
  • Function : Author
D. Bender
  • Function : Author
A. Bertolin
  • Function : Author
C. Bozza
  • Function : Author
R. Brugnera
  • Function : Author
G. Brunetti
A. Buonaura
  • Function : Author
S. Buontempo
  • Function : Author
B. Buettner
  • Function : Author
M. Chernyavsky
  • Function : Author
V. Chiarella
  • Function : Author
A. Chukanov
  • Function : Author
L. Consiglio
  • Function : Author
N. d'Ambrosio
  • Function : Author
G. de Lellis
  • Function : Author
M. de Serio
  • Function : Author
A. Di Crescenzo
  • Function : Author
D. Di Ferdinando
  • Function : Author
N. Di Marco
  • Function : Author
S. Dmitrievski
  • Function : Author
M. Dracos
S. Dusini
  • Function : Author
T. Dzhatdoev
  • Function : Author
J. Ebert
  • Function : Author
A. Ereditato
  • Function : Author
T. Ferber
  • Function : Author
G. Ferone
  • Function : Author
R. A. Fini
  • Function : Author
T. Fukuda
  • Function : Author
G. Galati
  • Function : Author
A. Garfagnini
  • Function : Author
G. Giacomelli
  • Function : Author
C. Goellnitz
  • Function : Author
J. Goldberg
  • Function : Author
Y. Gornushkin
  • Function : Author
G. Grella
  • Function : Author
F. Grianti
  • Function : Author
M. Guler
  • Function : Author
C. Gustavino
  • Function : Author
C. Hagner
  • Function : Author
K. Hakamata
  • Function : Author
T. Hara
  • Function : Author
T. Hayakawa
  • Function : Author
M. Hierholzer
  • Function : Author
A. Hollnagel
  • Function : Author
B. Hosseini
  • Function : Author
H. Ishida
  • Function : Author
K. Ishiguro
  • Function : Author
M. Ishikawa
  • Function : Author
K. Jakovcic
  • Function : Author
C. Kamiscioglu
  • Function : Author
M. Kamiscioglu
  • Function : Author
T. Katsuragawa
  • Function : Author
J. Kawada
  • Function : Author
H. Kawahara
  • Function : Author
J. H. Kim
  • Function : Author
S. H. Kim
  • Function : Author
M. Kimura
  • Function : Author
N. Kitagawa
  • Function : Author
B. Klicek
  • Function : Author
K. Kodama
  • Function : Author
M. Komatsu
U. Kose
  • Function : Author
I. Kreslo
  • Function : Author
A. Lauria
  • Function : Author
J. Lenkeit
  • Function : Author
A. Ljubicic
  • Function : Author
A. Longhin
  • Function : Author
P. Loverre
  • Function : Author
A. Malgin
  • Function : Author
G. Mandrioli
  • Function : Author
T. Matsuo
  • Function : Author
V. Matveev
  • Function : Author
N. Mauri
  • Function : Author
E. Medinaceli
  • Function : Author
P. Migliozzi
  • Function : Author
S. Mikado
  • Function : Author
M. Miyanishi
  • Function : Author
E. Miyashita
  • Function : Author
P. Monacelli
  • Function : Author
M. C. Montesi
  • Function : Author
K. Morishima
  • Function : Author
M. T. Muciaccia
  • Function : Author
N. Naganawa
  • Function : Author
T. Naka
  • Function : Author
M. Nakamura
  • Function : Author
T. Nakano
  • Function : Author
Y. Nakatsuka
  • Function : Author
K. Niwa
  • Function : Author
S. Ogawa
  • Function : Author
N. Okateva
  • Function : Author
A. Olshevsky
  • Function : Author
T. Omura
  • Function : Author
K. Ozaki
  • Function : Author
A. Paoloni
  • Function : Author
B. D. Park
  • Function : Author
I. G. Park
  • Function : Author
A. Pastore
  • Function : Author
L. Patrizii
  • Function : Author
C. Pistillo
  • Function : Author
D. Podgrudkov
  • Function : Author
N. Polukhina
  • Function : Author
M. Pozzato
  • Function : Author
K. Pretzl
  • Function : Author
F. Pupilli
  • Function : Author
R. Rescigno
  • Function : Author
M. Roda
  • Function : Author
H. Rokujo
  • Function : Author
T. Roganova
  • Function : Author
G. Rosa
  • Function : Author
I. Rostovtseva
  • Function : Author
A. Rubbia
  • Function : Author
O. Ryazhskaya
  • Function : Author
O. Sato
  • Function : Author
Y. Sato
A. Schembri
  • Function : Author
W. Schmidt-Parzefal
  • Function : Author
I. Shakiryanova
  • Function : Author
T. Shchedrina
  • Function : Author
A. Sheshukov
  • Function : Author
H. Shibuya
  • Function : Author
T. Shiraishi
  • Function : Author
G. Shoziyoev
  • Function : Author
S. Simone
  • Function : Author
M. Sioli
  • Function : Author
C. Sirignano
  • Function : Author
G. Sirri
  • Function : Author
M. Spinetti
  • Function : Author
L. Stanco
  • Function : Author
N. Starkov
  • Function : Author
S. M. Stellacci
  • Function : Author
M. Stipcevic
  • Function : Author
T. Strauss
  • Function : Author
P. Strolin
  • Function : Author
K. Suzuki
  • Function : Author
S. Takahashi
  • Function : Author
M. Tenti
  • Function : Author
F. Terranova
  • Function : Author
V. Tioukov
  • Function : Author
S. Tufanli
  • Function : Author
P. Vilain
  • Function : Author
M. Vladimirov
  • Function : Author
L. Votano
  • Function : Author
J. L. Vuilleumier
  • Function : Author
G. Wilquet
  • Function : Author
B. Wonsak
  • Function : Author
C. S. Yoon
  • Function : Author
J. Yoshida
  • Function : Author
M. Yoshimoto
  • Function : Author
Y. Zaitsev
  • Function : Author
S. Zemskova
  • Function : Author

Abstract

The OPERA experiment is designed to search for $\nu_{\mu} \rightarrow \nu_{\tau}$ oscillations in appearance mode i.e. through the direct observation of the $\tau$ lepton in $\nu_{\tau}$ charged current interactions. The experiment has taken data for five years, since 2008, with the CERN Neutrino to Gran Sasso beam. Previously, two $\nu_{\tau}$ candidates with a $\tau$ decaying into hadrons were observed in a sub-sample of data of the 2008-2011 runs. Here we report the observation of a third $\nu_\tau$ candidate in the $\tau^-\to\mu^-$ decay channel coming from the analysis of a sub-sample of the 2012 run. Taking into account the estimated background, the absence of $\nu_{\mu} \rightarrow \nu_{\tau}$ oscillations is excluded at the 3.4 $\sigma$ level.

Dates and versions

in2p3-00926650 , version 1 (10-01-2014)

Identifiers

Cite

N. Agafonova, Alexander Aleksandrov, A. Anokhina, S. Aoki, A. Ariga, et al.. Evidence for $\nu_\mu \to \nu_\tau$ appearance in the CNGS neutrino beam with the OPERA experiment. Physical Review D, 2014, 89, pp.051102(R). ⟨10.1103/PhysRevD.89.051102⟩. ⟨in2p3-00926650⟩
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