First measurements of K*(892)(+/-): mesons production properties and their spin alignment in upsilon(mu) charged current (CC) and neutral current (NC) interactions are presented. The analysis of the full data sample of the NOMAD experiment is performed in different kinematic regions. For K*(+) and K* mesons produced in nu(mu) CC interactions and decaying into K-0 pi(+): we have found the following yields per event: (2.6 +/- 0.2 (stat.) +/- 0.2 (syst.))% and (1.6 +/- 0.1 (stat.) 0.1 (syst.))% respectively, while for the K*+ and K* mesons produced in v NC interactions the corresponding yields per event are: (2.5 +/- 0.3 (stat.) +/- 0.3 (syst.))% and (1.0 +/- 0.3 (stat.) +/- 0.2 (syst.))%. The results obtained for the rho(00) parameter, 0.40 +/- 0.06(stat.)+/- 0.03(syst.) and 0.28 +/- 0.07(stat.)+/- 0.03(syst.) for K* (892)(+) and K*(892)(-) produced in vi, CC interactions, are compared to theoretical predictions tuned on LEP measurements in e(+)e(-) annihilation at the Z(0) pole. For K*(892)(+) mesons produced in nu NC interactions the measured rho(00) parameter is 0.66 +/- 0.10 (stat.) +/- 0.05 (syst.). RI Collazuol, Gianmaria/C-5670-2012; Soler, Paul/E-8464-2011; Moorhead, Gareth/B-6634-2009

Production properties of K*(892)(+/-): vector mesons and their spin alignment as measured in the NOMAD experiment

CAVASINNI, VINCENZO;RODA, CHIARA MARIA ANGELA;
2006-01-01

Abstract

First measurements of K*(892)(+/-): mesons production properties and their spin alignment in upsilon(mu) charged current (CC) and neutral current (NC) interactions are presented. The analysis of the full data sample of the NOMAD experiment is performed in different kinematic regions. For K*(+) and K* mesons produced in nu(mu) CC interactions and decaying into K-0 pi(+): we have found the following yields per event: (2.6 +/- 0.2 (stat.) +/- 0.2 (syst.))% and (1.6 +/- 0.1 (stat.) 0.1 (syst.))% respectively, while for the K*+ and K* mesons produced in v NC interactions the corresponding yields per event are: (2.5 +/- 0.3 (stat.) +/- 0.3 (syst.))% and (1.0 +/- 0.3 (stat.) +/- 0.2 (syst.))%. The results obtained for the rho(00) parameter, 0.40 +/- 0.06(stat.)+/- 0.03(syst.) and 0.28 +/- 0.07(stat.)+/- 0.03(syst.) for K* (892)(+) and K*(892)(-) produced in vi, CC interactions, are compared to theoretical predictions tuned on LEP measurements in e(+)e(-) annihilation at the Z(0) pole. For K*(892)(+) mesons produced in nu NC interactions the measured rho(00) parameter is 0.66 +/- 0.10 (stat.) +/- 0.05 (syst.). RI Collazuol, Gianmaria/C-5670-2012; Soler, Paul/E-8464-2011; Moorhead, Gareth/B-6634-2009
2006
Chukanov, A; Naumov, D; Popov, B; 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, Pw; Cavasinni, Vincenzo; Cervera Villanueva, A; Challis, R; Collazuol, G; Conforto, G; Conta, C; Contalbrigo, M; Cousins, R; Daniels, D; Degaudenzi, H; Del Pretel, T; De Santo, A; Dignan, T; Di Lella, L; Silva, Edc; Dumarchez, J; Ellis, M; Feldman, Gj; Ferrari, R; Ferrere, D; Flaminio, V; Fraternali, M; Gaillard, Jm; Gangler, E; Geiser, A; Geppert, D; Gibin, D; Gninenko, S; Godleyl, A; Gomez Cadenas, Jj; Gosset, J; Gossing, C; Gouanere, M; Grants, A; Graziani, G; Guglielmi, A; Hagnerl, C; Hernando, J; Hubbard, D; Hurst, P; Hyett, N; Iacopini, E; Joseph, C; Juget, F; Kent, N; Kirsanov, M; Klimov, O; Kokkonen, J; Kovzelev, A; Krasnoperov, A; Lacaprara, S; Lachaud, C; Lakic, B; Lanza, A; La Rotonda, L; Laveder, M; Letessier Selvon, A; Levy, Jm; Linssen, L; Ljubicic, A; Long, J; Lupi, A; Lyubushkin, V; Marchionni, A; Martellil, F; Mechain, X; Mendiburu, Jp; Meyer, Jp; Mezzetto, M; Mishra, Sr; Moorhead, Gf; Nedelec, P; Nefedov, Y; Nguyen Mau, C; Orestano, D; Pastore, F; Peak, Ls; Pennacchio, E; Pessard, H; Petti, R; Placci, A; Polesello, G; Pollmann, D; Polyarush, A; Poulsen, C; Rebuffi, L; Reno, R; Rico, J; Riemann, P; Roda, CHIARA MARIA ANGELA; Rubbia, A; Salvatore, F; Samoylov, O; Schahmaneche, K; Schmidt, B; Schmidt, T; Sconza, A; Sevior, M; Sillou, D; Soler, Fjp; Sozzi, G; Steele, D; Stiegler, U; Stipcevic, M; Stolarczyk, T; Tareb Reyes, M; Taylor, Gn; Tereshchenko, V; Toropin, A; Touchard, Am; Tovey, Sn; Tran, Mt; Tsesmelis, E; Ulrichs, J; Vacavant, L; Valdata Nappi, M; Valuev, V; Vannucci, F; Varvell, Ke; Veltri, M; Vercesi, V; Vidal Sitjes, G; Vieira, Jm; Vinogradova, T; Weber, Fv; Weisse, T; Wilson, Ff; Winton, Lj; Yabsley, Bd; Zacconel, H; Zei, R; Zuber, K; Zuccon, P.
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/108890
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 8
  • ???jsp.display-item.citation.isi??? 8
social impact