Search for $\nu_{\mu} \to \nu_{e}$ oscillations in the NOMAD experiment

P. Astier D. Autiero 1 A. Baldisseri M. Baldo-Ceolin M. Banner G. Bassompierre 2 K. Benslama N. Besson I. Bird B. Blumenfeld F. Bobisut J. Bouchez S. Boyd A. Bueno S. Bunyatov L. Camilleri A. Cardini P W. Cattaneo V. Cavasinni A. Cervera-Villanueva R. Challis G. Collazuol G. Conforto C. Conta M. Contalbrigo R. Cousins D. Daniels H. Degaudenzi T. Del Prete A. de Santo T. Dignan L. Di Lella E Silva E. Do Couto J. Dumarchez M. Ellis G J. Feldman R. Ferrari D. Ferrere V. Flaminio M. Fraternali J.M. Gaillard 2 E. Gangler 1 A. Geiser D. Geppert D. Gibin S. Gninenko A. Godley J J. Gomez-Cadenas J. Gosset C. Gossling M. Gouanere 2 A. Grant G. Graziani A. Guglielmi C. Hagner J. Hernando D. Hubbard P. Hurst N. Hyett E. Iacopini C. Joseph F. Juget N. Kent M. Kirsanov O. Klimov J. Kokkonen A. Kovzelev A. Krasnoperov 2 C. Lachaud B. Lakic A. Lanza L. La Rotonda M. Laveder A. Letessier-Selvon J M. Levy L. Linssen A. Ljubicic J. Long A. Lupi A. Marchionni F. Martelli X. Mechain J.P. Mendiburu 2 J P. Meyer M. Mezzetto S R. Mishra G F. Moorhead D. Naumov P. Nedelec 2 Yu. Nefedov C. Nguyen-Mau D. Orestano F. Pastore L S. Peak E. Pennacchio H. Pessard 2 R. Petti A. Placci G. Polesello D. Pollmann A. Polyarush B Popov C. Poulsen J. Rico P. Riemann C. Roda A. Rubbia F. Salvatore K. Schahmaneche B. Schmidt T. Schmidt M. Sevior D. Sillou 2 F J P. Soler G. Sozzi D. Steele U. Stiegler M. Stipcevic T. Stolarczyk M. Tareb-Reyes G N. Taylor V. Tereshchenko A. Toropin A M. Touchard S N. Tovey M T. Tran E. Tsesmelis J. Ulrichs L. Vacavant M. Valdata-Nappi V. Valuev F. Vannucci K E. Varvell M. Veltri V. Vercesi G. Vidal-Sitjes J M. Vieira T. Vinogradova F V. Weber T. Weisse F F. Wilson L J. Winton B D. Yabsley H. Zaccone K. Zuber
Abstract : We present the results of a search for nu_mu → nu_e oscillations in the NOMAD experiment at Cern. The experiment looked for the appearance of nu_e in a predominantly nu_mu wide-band neutrino beam at the CERN SPS. No evidence for oscillations was found. The 90% confidence limits obtained are Delta m^2 < 0.4 eV^2 for maximal mixing and sin^2(2theta) < 1.4 X 10^-3 for large Delta m^2. This result excludes the LSND allowed region of oscillation parameters with Delta m^2 >~ 10 eV^2.
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P. Astier, D. Autiero, A. Baldisseri, M. Baldo-Ceolin, M. Banner, et al.. Search for $\nu_{\mu} \to \nu_{e}$ oscillations in the NOMAD experiment. Physics Letters B, Elsevier, 2003, 570, pp.19-31. ⟨in2p3-00021564⟩

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