Abstract
Updated results from the appearance searches for ν(υ) → ν(τ) and ν(e) → ν(τ) oscillations in the full NOMAD data sample are reported. The increased data and the use of more refined kinematic schemes for the ν(τ) CC selection allow a significant improvement of the overall sensitivity. The 'blind analysis' of both the deep-inelastic and the low multiplicity samples yields no evidence for an oscillation signal. In the two-family oscillation scenario, this sets a 90% C.L. region in the sin 2 2θ(μτ) - Δm 2 plane which includes sin 2 2θ(μτ) < 4.4 x 10 -4 at large Δm 2 and Δm 2 <0.8 eV 2 /c 4 at sin 2 2θ(μτ) = 1. The corresponding contour in the v(e) → ν(τ) oscillation hypothesis results in sin 2 2θ(eτ) < 2.2 x 10 -2 at large Δm 2 and Δm 2 <6.5 eV 2 /c 4 at sin 2 2θ(eτ) = 1. (C) 2000 Elsevier Science B.V.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 387-404 |
| Number of pages | 18 |
| Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
| Volume | 483 |
| Issue number | 4 |
| DOIs | |
| State | Published - Jun 22 2000 |
| Externally published | Yes |
Keywords
- Neutrino oscillations
ASJC Scopus subject areas
- Nuclear and High Energy Physics
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Updated results from the ν(τ) appearance search in NOMAD. / Autiero, D.; Baldisseri, A.; Baldo-Ceolin, M.; Ballocchi, G.; Banner, M.; Bassompierre, G.; Benslama, K.; Besson, N.; Bird, I.; Blumenfeld, B.; Bobisut, F.; Bouchez, J.; Boyd, S.; Bueno, A.; Bunyatov, A.; Camilleri, L.; Cardini, A.; Cattaneo, P. W.; Cavasinni, V.; Cervera-Villanueva, A.; Collazuol, G.; Conforto, G.; Conta, C.; Contalbrigo, M.; Cousins, R.; Daniels, D.; Degaudenzi, H.; Prete, Del; De Santo, A.; Dignan, T.; Di Lella, A.; do Couto e Silva, E.; Dumarchez, J.; Ellis, M.; Feldman, G. J.; Ferrari, R.; Ferrère, D.; Flaminio, V.; Fraternali, M.; Gaillard, J. M.; Gangler, E.; Geiser, A.; Geppert, D.; Gibin, D.; Gninenko, S.; Godley, A.; Gomez-Cadenas, J. J.; Gosset, J.; Gößling, C.; Gouanère, M.; Grant, A.; Graziani, G.; Guglielm, A.; Hagner, C.; Hernando, J.; Hubbard, D.; Hurst, P.; Hyett, N.; Iacopini, E.; Joseph, C.; Juget, F.; Kirsanov, M.; Klimov, O.; Kokkonen, J.; Kovzelev, A.; Krasnoperov, A.; Kuznetsov, V. E.; Lacaprara, S.; Lachaud, C.; Lakic, B.; Lanza, A.; Rotonda, La; Laveder, M.; Letessier-Selvon, A.; Levy, J. M.; Linssen, L.; Ljubičić, A.; Long, J.; Lupi, A.; Marchionni, A.; Martelli, F.; Méchain, X.; Mendiburu, J. P.; Meyer, J. P.; Mezzetto, M.; Mishra, S. R.; Moorhead, G. F.; Nédélec, P.; Nefedov, Y.; Nguyen-Mau, C.; Orestano, D.; Pastore, F.; Peak, L. S.; Pennacchio, E.; Pessard, H.; Petti, R.; Placci, A.; Polesello, G.; Pollmann, D.; Polyarush, A.; Popov, B.; Poulsen, C.; Rebuffi, L.; Rico, J.; Roda, C.; Rubbia, A.; Salvatore, F.; Schahmaneche, K.; Schmidt, B.; Sevior, M.; Sillou, D.; Soler, F. J.P.; Sozzi, G.; Steele, D.; Steininger, M.; Stiegler, U.; Stipčević, M.; Stolarczyk, TH; Tareb-Reyes, M.; Taylor, G. N.; Tereshchenko, V.; Toropin, A.; Touchard, A. M.; Tovey, S. N.; Tran, M. T.; Tsesmelis, E.; Ulrichs, J.; Vacavant, L.; Valdata-Nappi, M.; Valuev, V.; Vannucci, F.; Varvell, K. E.; Veltri, M.; Vercesi, V.; Vieira, J. M.; Vinogradova, T.; Weber, F. V.; Weisse, T.; Wilson, F. F.; Winton, L. J.; Yabsley, B. D.; Zaccone, H.; Zuber, K.; Zuccon, P.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 483, No. 4, 22.06.2000, p. 387-404.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Updated results from the ν(τ) appearance search in NOMAD
AU - Autiero, D.
AU - Baldisseri, A.
AU - Baldo-Ceolin, M.
AU - Ballocchi, G.
AU - Banner, M.
AU - Bassompierre, G.
AU - Benslama, K.
AU - Besson, N.
AU - Bird, I.
AU - Blumenfeld, B.
AU - Bobisut, F.
AU - Bouchez, J.
AU - Boyd, S.
AU - Bueno, A.
AU - Bunyatov, A.
AU - Camilleri, L.
AU - Cardini, A.
AU - Cattaneo, P. W.
AU - Cavasinni, V.
AU - Cervera-Villanueva, A.
AU - Collazuol, G.
AU - Conforto, G.
AU - Conta, C.
AU - Contalbrigo, M.
AU - Cousins, R.
AU - Daniels, D.
AU - Degaudenzi, H.
AU - Prete, Del
AU - De Santo, A.
AU - Dignan, T.
AU - Di Lella, A.
AU - do Couto e Silva, E.
AU - Dumarchez, J.
AU - Ellis, M.
AU - Feldman, G. J.
AU - Ferrari, R.
AU - Ferrère, D.
AU - Flaminio, V.
AU - Fraternali, M.
AU - Gaillard, J. M.
AU - Gangler, E.
AU - Geiser, A.
AU - Geppert, D.
AU - Gibin, D.
AU - Gninenko, S.
AU - Godley, A.
AU - Gomez-Cadenas, J. J.
AU - Gosset, J.
AU - Gößling, C.
AU - Gouanère, M.
AU - Grant, A.
AU - Graziani, G.
AU - Guglielm, A.
AU - Hagner, C.
AU - Hernando, J.
AU - Hubbard, D.
AU - Hurst, P.
AU - Hyett, N.
AU - Iacopini, E.
AU - Joseph, C.
AU - Juget, F.
AU - Kirsanov, M.
AU - Klimov, O.
AU - Kokkonen, J.
AU - Kovzelev, A.
AU - Krasnoperov, A.
AU - Kuznetsov, V. E.
AU - Lacaprara, S.
AU - Lachaud, C.
AU - Lakic, B.
AU - Lanza, A.
AU - Rotonda, La
AU - Laveder, M.
AU - Letessier-Selvon, A.
AU - Levy, J. M.
AU - Linssen, L.
AU - Ljubičić, A.
AU - Long, J.
AU - Lupi, A.
AU - Marchionni, A.
AU - Martelli, F.
AU - Méchain, X.
AU - Mendiburu, J. P.
AU - Meyer, J. P.
AU - Mezzetto, M.
AU - Mishra, S. R.
AU - Moorhead, G. F.
AU - Nédélec, P.
AU - Nefedov, Y.
AU - Nguyen-Mau, C.
AU - Orestano, D.
AU - Pastore, F.
AU - Peak, L. S.
AU - Pennacchio, E.
AU - Pessard, H.
AU - Petti, R.
AU - Placci, A.
AU - Polesello, G.
AU - Pollmann, D.
AU - Polyarush, A.
AU - Popov, B.
AU - Poulsen, C.
AU - Rebuffi, L.
AU - Rico, J.
AU - Roda, C.
AU - Rubbia, A.
AU - Salvatore, F.
AU - Schahmaneche, K.
AU - Schmidt, B.
AU - Sevior, M.
AU - Sillou, D.
AU - Soler, F. J.P.
AU - Sozzi, G.
AU - Steele, D.
AU - Steininger, M.
AU - Stiegler, U.
AU - Stipčević, M.
AU - Stolarczyk, TH
AU - Tareb-Reyes, M.
AU - Taylor, G. N.
AU - Tereshchenko, V.
AU - Toropin, A.
AU - Touchard, A. M.
AU - Tovey, S. N.
AU - Tran, M. T.
AU - Tsesmelis, E.
AU - Ulrichs, J.
AU - Vacavant, L.
AU - Valdata-Nappi, M.
AU - Valuev, V.
AU - Vannucci, F.
AU - Varvell, K. E.
AU - Veltri, M.
AU - Vercesi, V.
AU - Vieira, J. M.
AU - Vinogradova, T.
AU - Weber, F. V.
AU - Weisse, T.
AU - Wilson, F. F.
AU - Winton, L. J.
AU - Yabsley, B. D.
AU - Zaccone, H.
AU - Zuber, K.
AU - Zuccon, P.
N1 - Funding Information: We thank the management and staff of CERN and of all participating institutes for their vigorous support of the experiment. Particular thanks are due to the CERN accelerator and beam-line staff for the magnificent performance of the neutrino beam. The following funding agencies have contributed to this experiment: Australian Research Council (ARC) and Department of Industry, Science, and Resources (DISR), Australia; Institut National de Physique Nucléaire et Physique des Particules (IN2P3), Commissariat à l'Energie Atomique (CEA), Ministère de l'Education Nationale, de l'Enseignement Supérieur et de la Recherche, France; Bundesministerium für Bildung und Forschung (BMBF, contract 05 6DO52), Germany; Istituto Nazionale di Fisica Nucleare (INFN), Italy; Russian Foundation for Basic Research, Institute for Nuclear Research of the Russian Academy of Sciences, Russia; Fonds National Suisse de la Recherche Scientifique, Switzerland; Department of Energy, National Science Foundation (grant PHY-9526278), the Sloan and the Cottrell Foundations, USA. F.J.P. Soler is supported by a TMR Fellowship from the European Commission. We also thank our secretarial staff, Jane Barney, Marie-Anne Huber, Rachel Phillips and Mabel Richtering, and the following people who have worked with the collaboration on the preparation and the data collection stages of NOMAD: M. Anfreville, M. Authier, G. Barichello, A. Beer, V. Bonaiti, A. Castera, A. Cavestro, O. Cloué, C. Détraz, L. Dumps, C. Engster, G. Fumagalli, G. Gallay, W. Huta, E. Lessmann, J. Mulon, J.P. Passérieux, P. Petitpas, J. Poinsignon, C. Sobczynski, S. Soulié, L. Visentin, P. Wicht.
PY - 2000/6/22
Y1 - 2000/6/22
N2 - Updated results from the appearance searches for ν(υ) → ν(τ) and ν(e) → ν(τ) oscillations in the full NOMAD data sample are reported. The increased data and the use of more refined kinematic schemes for the ν(τ) CC selection allow a significant improvement of the overall sensitivity. The 'blind analysis' of both the deep-inelastic and the low multiplicity samples yields no evidence for an oscillation signal. In the two-family oscillation scenario, this sets a 90% C.L. region in the sin 2 2θ(μτ) - Δm 2 plane which includes sin 2 2θ(μτ) < 4.4 x 10 -4 at large Δm 2 and Δm 2 <0.8 eV 2 /c 4 at sin 2 2θ(μτ) = 1. The corresponding contour in the v(e) → ν(τ) oscillation hypothesis results in sin 2 2θ(eτ) < 2.2 x 10 -2 at large Δm 2 and Δm 2 <6.5 eV 2 /c 4 at sin 2 2θ(eτ) = 1. (C) 2000 Elsevier Science B.V.
AB - Updated results from the appearance searches for ν(υ) → ν(τ) and ν(e) → ν(τ) oscillations in the full NOMAD data sample are reported. The increased data and the use of more refined kinematic schemes for the ν(τ) CC selection allow a significant improvement of the overall sensitivity. The 'blind analysis' of both the deep-inelastic and the low multiplicity samples yields no evidence for an oscillation signal. In the two-family oscillation scenario, this sets a 90% C.L. region in the sin 2 2θ(μτ) - Δm 2 plane which includes sin 2 2θ(μτ) < 4.4 x 10 -4 at large Δm 2 and Δm 2 <0.8 eV 2 /c 4 at sin 2 2θ(μτ) = 1. The corresponding contour in the v(e) → ν(τ) oscillation hypothesis results in sin 2 2θ(eτ) < 2.2 x 10 -2 at large Δm 2 and Δm 2 <6.5 eV 2 /c 4 at sin 2 2θ(eτ) = 1. (C) 2000 Elsevier Science B.V.
KW - Neutrino oscillations
UR - http://www.scopus.com/inward/record.url?scp=0034702158&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0034702158&partnerID=8YFLogxK
U2 - 10.1016/S0370-2693(00)00611-0
DO - 10.1016/S0370-2693(00)00611-0
M3 - Article
AN - SCOPUS:0034702158
VL - 483
SP - 387
EP - 404
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
SN - 0370-2693
IS - 4
ER -