Final NOMAD results on muon-neutrino --> tau-neutrino and electron-neutrino --> tau-neutrino oscillations including a new search for tau-neutrino appearance using hadronic tau decays

Astier, P.; Autiero, D.; Baldisseri, A.; Baldo-Ceolin, M.; Banner, M.; Bassompierre, G.; Benslama, K.; Besson, N.; Bird, I.; Blumenfeld, B.; Bobisut, F.; Bouchez, J.; Boyd, S.; Bueno, A.; Bunyatov, S.; Camilleri, L.; Cardini, A.; Cattaneo, P. W.; Cavasinni, V.; Cervera-Villanueva, A.; Chukanov, A.; Collazuol, G.; Conforto, G.; Conta, C.; Contalbrigo, M.; Cousins, R.; Daniels, D.; Degaudenzi, H.; Del Prete, T.; De Santo, A.; Dignan, T.; Di Lella, L.; Do Couto E Silva, E.; Dumarchez, J.; Ellis, M.; Feldman, G. J.; Ferrari, R.; Ferrãre, 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.; Gã¶ãÿling, C.; Gouanãre, M.; Grant, A.; Graziani, G.; Guglielmi, 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.; Kustov, D.; Kuznetsov, V. E.; Lacaprara, S.; Lachaud, C.; Lakic, B.; Lanza, A.; La Rotonda, L.; Laveder, M.; Letessier-Selvon, A.; Levy, J. -M.; Linssen, L.; LjubiÄiÄ‡, A.; Long, J.; Lupi, A.; Marchionni, A.; Martelli, F.; Mã©chain, X.; Mendiburu, J. -P.; Meyer, J. -P.; Mezzetto, M.; Mishra, S. R.; Moorhead, G. F.; Naumov, D.; Nã©dã©lec, P.; Nefedov, Yu; 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.; Rico, J.; Riemann, P.; Roda, C.; Rubbia, A.; Salvatore, F.; Schahmaneche, K.; Schmidt, B.; Schmidt, T.; Sconza, A.; Sevior, M.; Sillou, D.; Soler, F. J. P.; Sozzi, G.; Steele, D.; Stiegler, U.; StipÄeviÄ‡, M.; Stolarczyk, T.; 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.; Vidal-Sitjes, G.; 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.

doi:10.1016/S0550-3213(01)00339-X

Results from the ντ appearance search in a neutrino beam using the full NOMAD data sample are reported. A new analysis unifies all the hadronic τ decays, significantly improving the overall sensitivity of the experiment to oscillations. The “blind analysis” of all topologies yields no evidence for an oscillation signal. In the two-family oscillation scenario, this sets a 90% CL allowed region in the sin22θμτ–Δm2 plane which includes sin22θμτ<3.3×10−4 at large Δm2 and Δm2< 0.7 eV2/c4 at sin22θμτ=1. The corresponding contour in the νe→ντ oscillation hypothesis results in sin22θeτ<1.5×10−2 at large Δm2 and Δm2<5.9 eV2/c4 at sin22θeτ=1. We also derive limits on effective couplings of the τ lepton to νμ or νe. © 2001 Elsevier Science B.V. All rights reserved.

Final NOMAD results on muon-neutrino --> tau-neutrino and electron-neutrino --> tau-neutrino oscillations including a new search for tau-neutrino appearance using hadronic tau decays / Astier, P., Autiero, D., Baldisseri, A., Baldo-Ceolin, M., Banner, M., Bassompierre, G., Benslama, K., Besson, N., Bird, I., Blumenfeld, B., Bobisut, F., Bouchez, J., Boyd, S., Bueno, A., Bunyatov, S., Camilleri, L., Cardini, A., Cattaneo, P.W., Cavasinni, V., Cervera-Villanueva, A., et al.. - In: NUCLEAR PHYSICS. B. - ISSN 0550-3213. - ELETTRONICO. - 611:1-3(2001), pp. 3-39. [10.1016/S0550-3213(01)00339-X]

Final NOMAD results on muon-neutrino --> tau-neutrino and electron-neutrino --> tau-neutrino oscillations including a new search for tau-neutrino appearance using hadronic tau decays

Astier, P.;Autiero, D.;Baldisseri, A.;Baldo-Ceolin, M.;Banner, M.;Bassompierre, G.;Benslama, K.;Besson, N.;Bird, I.;Blumenfeld, B.;Bobisut, F.;Bouchez, J.;Boyd, S.;Bueno, A.;Bunyatov, S.;Camilleri, L.;Cardini, A.;Cattaneo, P. W.;Cavasinni, V.;Cervera-Villanueva, A.;Chukanov, A.;Collazuol, G.;Conforto, G.;Conta, C.;Contalbrigo, M.;Cousins, R.;Daniels, D.;Degaudenzi, H.;del Prete, T.;de Santo, A.;Dignan, T.;di Lella, L.;do Couto e Silva, E.;Dumarchez, J.;Ellis, M.;Feldman, G. J.;Ferrari, R.;FerrÃre, 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.;GÃ¶ÃŸling, C.;GouanÃre, M.;Grant, A.;Graziani, G.;Guglielmi, 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.;Kustov, D.;Kuznetsov, V. E.;Lacaprara, S.;Lachaud, C.;Lakic, B.;Lanza, A.;la Rotonda, L.;Laveder, M.;Letessier-Selvon, A.;Levy, J. -M.;Linssen, L.;LjubiÄiÄ‡, A.;Long, J.;Lupi, A.;Marchionni, A.;Martelli, F.;MÃ©chain, X.;Mendiburu, J. -P.;Meyer, J. -P.;Mezzetto, M.;Mishra, S. R.;Moorhead, G. F.;Naumov, D.;NÃ©dÃ©lec, P.;Nefedov, Yu;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.;Rico, J.;Riemann, P.;Roda, C.;Rubbia, A.;Salvatore, F.;Schahmaneche, K.;Schmidt, B.;Schmidt, T.;Sconza, A.;Sevior, M.;Sillou, D.;Soler, F. J. P.;Sozzi, G.;Steele, D.;Stiegler, U.;StipÄeviÄ‡, M.;Stolarczyk, T.;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.;Vidal-Sitjes, G.;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.

2001-01-01

Abstract

Results from the ντ appearance search in a neutrino beam using the full NOMAD data sample are reported. A new analysis unifies all the hadronic τ decays, significantly improving the overall sensitivity of the experiment to oscillations. The “blind analysis” of all topologies yields no evidence for an oscillation signal. In the two-family oscillation scenario, this sets a 90% CL allowed region in the sin22θμτ–Δm2 plane which includes sin22θμτ<3.3×10−4 at large Δm2 and Δm2< 0.7 eV2/c4 at sin22θμτ=1. The corresponding contour in the νe→ντ oscillation hypothesis results in sin22θeτ<1.5×10−2 at large Δm2 and Δm2<5.9 eV2/c4 at sin22θeτ=1. We also derive limits on effective couplings of the τ lepton to νμ or νe. © 2001 Elsevier Science B.V. All rights reserved.

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	Anno di pubblicazione (Date of publication)
	
				2001
			
	Titolo del periodico (Journal title)
	
				NUCLEAR PHYSICS. B
			
	Numero e parte del fascicolo (Issue number and part)
	
				1-3
			
	DOI
	
				https://dx.doi.org/10.1016/S0550-3213(01)00339-X
			
	Codice Scopus (Scopus identifier)
	
				2-s2.0-0035904104
			
	Codice WOS (WOS identifier)
	
				WOS:000171548800001
			
	Tutti gli autori
	
						Astier, P.; Autiero, D.; Baldisseri, A.; Baldo-Ceolin, M.; Banner, M.; Bassompierre, G.; Benslama, K.; Besson, N.; Bird, I.; Blumenfeld, B.; Bobisut, ...espandi
						
	Citazione
	
				Final NOMAD results on muon-neutrino --> tau-neutrino  and electron-neutrino --> tau-neutrino  oscillations including a new search for tau-neutrino appearance using hadronic tau decays / Astier, P., Autiero, D., Baldisseri, A., Baldo-Ceolin, M., Banner, M., Bassompierre, G., Benslama, K., Besson, N., Bird, I., Blumenfeld, B., Bobisut, F., Bouchez, J., Boyd, S., Bueno, A., Bunyatov, S., Camilleri, L., Cardini, A., Cattaneo, P.W., Cavasinni, V., Cervera-Villanueva, A., et al.. - In: NUCLEAR PHYSICS. B. - ISSN 0550-3213. - ELETTRONICO. - 611:1-3(2001), pp. 3-39. [10.1016/S0550-3213(01)00339-X]
			
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				03.1 Articolo su rivista (Journal article)

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Final NOMAD results on muon-neutrino --> tau-neutrino and electron-neutrino --> tau-neutrino oscillations including a new search for tau-neutrino appearance using hadronic tau decays

2001-01-01

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Final NOMAD results on muon-neutrino --> tau-neutrino and electron-neutrino --> tau-neutrino oscillations including a new search for tau-neutrino appearance using hadronic tau decays

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