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A study of quasi-elastic muon neutrino and antineutrino scattering in the NOMAD experiment

V. Lyubushkin B. Popov J.J. Kim L. Camilleri J.-M. Levy M. Mezzetto D. Naumov S. Alekhin P. Astier D. Autiero A. Baldisseri 1 M. Baldo-Ceolin M. Banner G. Bassompierre 2 K. Benslama N. Besson 1 I. Bird B. Blumenfeld F. Bobisut J. Bouchez 1 S. Boyd A. Bueno S. Bunyatov A. Cardini P. W. Cattaneo V. Cavasinni A. Cervera-Villanueva R. Challis A. Chukanov 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. Do Couto E Silva J. Dumarchez M. Ellis G. J. Feldman R. Ferrari D. Ferrère V. Flaminio M. Fraternali J.-M. Gaillard 2 E. Gangler A. Geiser D. Geppert D. Gibin S. Gninenko A. Godley J.-J. Gomez-Cadenas J. Gosset 1 C. Gößling M. Gouanère 2 A. Grant G. Graziani A. Guglielmi C. Hagner 1 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 S. Kulagin D. Kustov S. Lacaprara C. Lachaud B. Lakić A. Lanza L. La Rotonda M. Laveder A. Letessier-Selvon J. Ling L. Linssen A. Ljubičić J. Long A. Lupi A. Marchionni F. Martelli X. Méchain 1 J.-P. Mendiburu 2 J.-P. Meyer 1 S. R. Mishra G. F. Moorhead P. Nédélec 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 C. Poulsen L. Rebuffi J. Rico P. Riemann C. Roda A. Rubbia F. Salvatore O. Samoylov K. Schahmaneche B. Schmidt T. Schmidt A. Sconza M. Seaton M. Sevior D. Sillou 2 F. J. P. Soler Gabriella Sozzi D. Steele U. Stiegler M. Stipčević Th. Stolarczyk 1 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 3 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 Q. Wu B. D. Yabsley H. Zaccone 1 K. Zuber P. Zuccon
3 APC - Neutrinos
LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies, APC (UMR_7164) - AstroParticule et Cosmologie
Abstract : We have studied the muon neutrino and antineutrino quasi-elastic (QEL) scattering reactions ( ν μ n→ μ - p and bar{ν }_{μ}ptoμ+n ) using a set of experimental data collected by the NOMAD Collaboration. We have performed measurements of the cross-section of these processes on a nuclear target (mainly carbon) normalizing it to the total ν μ ( bar{ν}_{μ} ) charged-current cross section. The results for the flux-averaged QEL cross sections in the (anti)neutrino energy interval 3-100 GeV are < σ_{qel}rangle_{ν_{μ}}=(0.92±0.02(stat)±0.06(syst))×10^{-38} cm2 and <σ_{qel}rangle_{bar{ν}_{μ}}=(0.81±0.05(stat)±0.09(syst))×10^{-38} cm2 for neutrino and antineutrino, respectively. The axial mass parameter M A was extracted from the measured quasi-elastic neutrino cross section. The corresponding result is M A =1.05±0.02(stat)±0.06(syst) GeV. It is consistent with the axial mass values recalculated from the antineutrino cross section and extracted from the pure Q 2 shape analysis of the high purity sample of ν μ quasi-elastic 2-track events, but has smaller systematic error and should be quoted as the main result of this work. Our measured M A is found to be in good agreement with the world average value obtained in previous deuterium filled bubble chamber experiments. The NOMAD measurement of M A is lower than those recently published by K2K and MiniBooNE Collaborations. However, within the large errors quoted by these experiments on M A , these results are compatible with the more precise NOMAD value.
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Submitted on : Friday, October 2, 2009 - 4:19:42 PM
Last modification on : Tuesday, December 8, 2020 - 3:36:39 AM

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V. Lyubushkin, B. Popov, J.J. Kim, L. Camilleri, J.-M. Levy, et al.. A study of quasi-elastic muon neutrino and antineutrino scattering in the NOMAD experiment. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2009, 63, pp.355-381. ⟨10.1140/epjc/s10052-009-1113-0⟩. ⟨in2p3-00421711⟩

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