Study Of D*(+) Production In Nu(Mu) Charged Current Interactions In The Nomad Experiment

P Astier, D Autiero, A Baldisseri, M Baldo-Ceolin, M Banner, G Bassompierre, K Benslama, N Besson, I Bird, B Blumenfeld, F Bobisut, J Bouchez, S Boyd,A Bueno, S Bunyatov, L Camilleri, A Cardini,Pw 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,Ede Silva, J Dumarchez,M Ellis, T Fazio,Gj Feldman, R Ferrari, D Ferrere, V Flaminio, M Fraternali,Jm Gaillard, E Gangler, A Geiser, D Geppert, D Gibin, S Gninenko, A Godley,Jj Gomez-Cadenas, J Gosset, C Gossling, M Gouanere, 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, D Kustov, V Kuznetsov, S Lacaprara, C Lachaud, B Lakic, A Lanza,L La Rotonda, M Laveder, A Letessier-Selvon,Jm Levy, L Linssen, A Ljubicic,J Long, A Lupi, A Marchionni, F Martelli, X Mechain,Jp Mendiburu,Jp Meyer, M Mezzetto,Sr Mishra,Gf Moorhead, D Naumov, P Nedelec, Y Nefedov, C Nguyen-Mau, D Orestano, F Pastore,Ls Peak, E Pennacchio, H Pessard, 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,Fjp Soler, G Sozzi, D Steele, U Stiegler, M Stipcevic, T Stolarczyk, M Tareb-Reyes,Gn Taylor, V Tereshchenko, A Toropin,Am Touchard,Sn Tovey,Mt Tran, E Tsesmelis, J Ulrichs, L Vacavant, M Valdata-Nappi, V Valuev, F Vannucci,Ke Varvell, M Veltri, V Vercesi, G Vidal-Sitjes,Jm Vieira, T Vinogradova,Fv Weber, T Weisse,Ff Wilson,Lj Winton,Bd Yabsley, H Zaccone, K Zuber, P Zuccon

PHYSICS LETTERS B（2002）

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摘要

A search was made among numu charged current events collected in the NOMAD experiment for the reaction:nu(mu) + N --> mu(-) + D*+ + hadronshooked right arrowD(0) + pi(+)hooked right arrowK(-) + pi(+)A high purity D*+ sample composed of 35 events was extracted. The D*+ yield in nu(mu) charged current interactions was measured to be T = (0.79 +/- 0.17(stat.) +/- 0.10(syst.))%. The mean fraction of the hadronic jet energy taken by the D*+ is 0.67 +/- 0.02(stat.) +/- 0.02(syst.). The distributions of the fragmentation variables z, P-T(2) and x(F) for D*+ are also presented. (C) 2002 Elsevier Science B.V. All rights reserved.

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current interactions,νμ

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