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We report on measurements of the inclusive production rate of Sigma(+) and Sigma(0) baryons in hadronic Z decays collected with the L3 detector at LEP. The Sigma(+) baryons are detected through the decay Sigma(+) -->p pi(0), while the Sigma(0) baryons are detected via the decay mode Sigma(0) -->Lambda gamma. The average numbers of Sigma(+) and Sigma(0) per hadronic Z decay are measured to be: [NSigma+]+[ NSigma+] = 0.114 +/- 0.011(stat) +/- 0.009(syst) [N-Sigma 0] + [N-Sigma 0] = 0.095 +/- 0.015(stat) +/- 0.013(syst). These rates are found to be higher than the predictions from Monte Carlo hadronization models and analytical parameterizations of strange baryon production. (C) 2000 Elsevier Science B.V. All rights reserved.

Inclusive Sigma(+) and Sigma(0) production in hadronic Z decays / Acciarri, M; Achard, P; Adriani, O; Aguilar Benitez, M; Alcaraz, J; Alemanni, G; Allaby, J; Aloisio, A; Alviggi, Mg; Ambrosi, G; Anderhub, H; Andreev, Vp; Angelescu, T; Anselmo, F; Arefiev, A; Azemoon, T; Aziz, T; Bagnaia, Paolo; Bajo, A; Baksay, L; Balandras, A; Banerjee, S; Banerjee, S; Barczyk, A; Barillere, R; Barone, Luciano Maria; Bartalini, P; Basile, M; Battiston, R; Bay, A; Becattini, F; Becker, U; Behner, F; Bellucci, L; Berbeco, R; Berdugo, J; Berges, P; Bertucci, B; Betev, Bl; Bhattacharya, S; Biasini, M; Biland, A; Blaising, Jj; Blyth, Sc; Bobbink, Gj; Bohm, A; Boldizsar, L; Borgia, B; Bourilkov, D; Bourquin, M; Braccini, S; Branson, Jg; Brigljevic, V; Brochu, F; Buffini, A; Buijs, A; Burger, Jd; Burger, Wj; Cai, Xd; Campanelli, M; Capell, M; Romeo, Gc; Carlino, G; Cartacci, Am; Casaus, J; Castellini, G; Cavallari, F; Cavallo, N; Cecchi, C; Cerrada, M; Cesaroni, F; Chamizo, M; Chang, Yh; Chaturvedi, Uk; Chemarin, M; Chen, A; Chen, G; Chen, Gm; Chen, Hf; Chen, Hs; Chiefari, G; Cifarelli, L; Cindolo, F; Civinini, C; Clare, I; Clare, R; Coignet, G; Colijn, Ap; Colino, N; Costantini, S; Cotorobai, F; Cozzoni, B; De La Cruz, B; Csilling, A; Cucciarelli, S; Dai, Ts; Van Dalen, Ja; D'Alessandro, R; De Asmundis, R; Deglon, P; Degre, A; Deiters, K; Della Volpe, D; Denes, P; Denotaristefani, F; De Salvo, A; Diemoz, M; Van Dierendonck, D; Di Lodovico, F; Dionisi, C; Dittmar, M; Dominguez, A; Doria, A; Dova, Mt; Duchesneau, D; Dufournaud, D; Duinker, P; Duran, I; El Mamouni, H; Engler, A; Eppling, Fj; Erne, Fc; Extermann, P; Fabre, M; Faccini, R; Falagan, Ma; Falciano, S; Favara, A; Fay, J; Fedin, O; Felcini, M; Ferguson, T; Ferroni, Fernando; Fesefeldt, H; Fiandrini, E; Field, Jh; Filthaut, F; Fisher, Ph; Fisk, I; Forconi, G; Fredj, L; Freudenreich, K; Furetta, C; Galaktionov, Y; Ganguli, Sn; Garcia Abia, P; Gataullin, M; Gau, Ss; Gentile, Simonetta; Gheordanescu, N; Giagu, Stefano; Gong, Zf; Grenier, G; Grimm, O; Gruenewald, Mw; Guida, M; Van Gulik, R; Gupta, Vk; Gurtu, A; Gutay, Lj; Haas, D; Hasan, A; Hatzifotiadou, D; Hebbeker, T; Herve, A; Hidas, P; Hirschfelder, J; Hofer, H; Holzner, G; Hoorani, H; Hou, Sr; Hu, Y; Iashvili, I; Jin, Bn; Jones, Lw; De Jong, P; Josa Mutuberria, I; Khan, Ra; Kaur, M; Kienzle Focacci, Mn; Kim, D; Kim, Jk; Kirkby, J; Kiss, D; Kittel, W; Klimentov, A; Konig, Ac; Kopp, A; Koutsenko, V; Kraber, M; Kraemer, Rw; Krenz, W; Kruger, A; Kunin, A; De Guevara, Pl; Laktineh, I; Landi, G; Lassila Perini, K; Lebeau, M; Lebedev, A; Lebrun, P; Lecomte, P; Lecoq, P; Le Coultre, P; Lee, Hj; Le Goff, Jm; Leiste, R; Leonardi, E; Levtchenko, P; Li, C; Likhoded, S; Lin, Ch; Lin, Wt; Linde, Fl; Lista, L; Liu, Za; Lohmann, W; Longo, E; Lu, Ys; Lubelsmeyer, K; Luci, Claudio; Luckey, D; Lugnier, L; Luminari, L; Lustermann, W; Ma, Wg; Maity, M; Malgeri, L; Malinin, A; Mana, C; Mangeol, D; Mans, J; Marchesini, P; Marian, G; Martin, Jp; Marzano, F; Massaro, Ggg; Mazumdar, K; Mcneil, Rr; Mele, S; Merola, L; Meschini, M; Metzger, Wj; Von Der Mey, M; Mihul, A; Milcent, H; Mirabelli, G; Mnich, J; Mohanty, Gb; Molnar, P; Monteleoni, B; Moulik, T; Muanza, Gs; Muheim, F; Muijs, Ajm; Musy, M; Napolitano, M; Nessi Tedaldi, F; Newman, H; Niessen, T; Nisati, A; Nowak, H; Organtini, Giovanni; Oulianov, A; Palomares, C; Pandoulas, D; Paoletti, S; Paolucci, P; Paramatti, Riccardo; Park, Hk; Park, Ih; Pascale, G; Passaleva, G; Patricelli, S; Paul, T; Pauluzzi, M; Paus, C; Pauss, F; Pedace, M; Pensotti, S; Perret Gallix, D; Petersen, B; Piccolo, D; Pierella, F; Pieri, M; Piroue, Pa; Pistolesi, E; Plyaskin, V; Pohl, M; Pojidaev, V; Postema, H; Pothier, J; Produit, N; Prokofiev, Do; Prokofiev, D; Quartieri, J; Rahal Callot, G; Rahaman, Ma; Raics, P; Raja, N; Ramelli, R; Rancoita, Pg; Raspereza, A; Raven, G; Razis, P; Ren, D; Rescigno, M; Reucroft, S; Van Rhee, T; Riemann, S; Riles, K; Robohm, A; Rodin, J; Roe, Bp; Romero, L; Rosca, A; Rosier Lees, S; Rubio, Ja; Ruschmeier, D; Rykaczewski, H; Saremi, S; Sarkar, S; Salicio, J; Sanchez, E; Sanders, Mp; Sarakinos, Me; Schafer, C; Schegelsky, V; Schmidt Kaerst, S; Schmitz, D; Schopper, H; Schotanus, Dj; Schwering, G; Sciacca, C; Sciarrino, D; Seganti, A; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shumilov, E; Shvorob, A; Siedenburg, T; Son, D; Smith, B; Spillantini, P; Steuer, M; Stickland, Dp; Stone, A; Stone, H; Stoyanov, B; Straessner, A; Sudhakar, K; Sultanov, G; Sun, Lz; Suter, H; Swain, Jd; Szillasi, Z; Sztaricskai, T; Tang, Xw; Tauscher, L; Taylor, L; Tellili, B; Timmermans, C; Ting, Scc; Ting, Sm; Tonwar, Sc; Toth, J; Tully, C; Tung, Kl; Uchida, Y; Ulbricht, J; Valente, E; Vesztergombi, G; Vetlitsky, I; Vicinanza, D; Viertel, G; Villa, S; Vivargent, M; Vlachos, S; Vodopianov, I; Vogel, H; Vogt, H; Vorobiev, I; Vorobyov, Aa; Vorvolakos, A; Wadhwa, M; Wallraff, W; Wang, M; Wang, Xl; Wang, Zm; Weber, A; Weber, M; Wienemann, P; Wilkens, H; Wu, Sx; Wynhoff, S; Xia, L; Xu, Zz; Yamamoto, J; Yang, Bz; Yang, Cg; Yang, Hj; Yang, M; Ye, Jb; Yeh, Sc; Zalite, A; Zalite, Y; Zhang, Zp; Zhu, Gy; Zhu, Ry; Zichichi, Z; Zilizi, G; Zoller, M.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 479:(2000), pp. 79-88. [10.1016/S0370-2693(00)00369-5]

Inclusive Sigma(+) and Sigma(0) production in hadronic Z decays

BAGNAIA, Paolo;BARONE, Luciano Maria;FACCINI R;FERRONI, Fernando;GENTILE, Simonetta;GIAGU, Stefano;LUCI, Claudio;ORGANTINI, Giovanni;PARAMATTI, Riccardo;
2000

Abstract

We report on measurements of the inclusive production rate of Sigma(+) and Sigma(0) baryons in hadronic Z decays collected with the L3 detector at LEP. The Sigma(+) baryons are detected through the decay Sigma(+) -->p pi(0), while the Sigma(0) baryons are detected via the decay mode Sigma(0) -->Lambda gamma. The average numbers of Sigma(+) and Sigma(0) per hadronic Z decay are measured to be: [NSigma+]+[ NSigma+] = 0.114 +/- 0.011(stat) +/- 0.009(syst) [N-Sigma 0] + [N-Sigma 0] = 0.095 +/- 0.015(stat) +/- 0.013(syst). These rates are found to be higher than the predictions from Monte Carlo hadronization models and analytical parameterizations of strange baryon production. (C) 2000 Elsevier Science B.V. All rights reserved.
2000
01 Pubblicazione su rivista::01a Articolo in rivista
Inclusive Sigma(+) and Sigma(0) production in hadronic Z decays / Acciarri, M; Achard, P; Adriani, O; Aguilar Benitez, M; Alcaraz, J; Alemanni, G; Allaby, J; Aloisio, A; Alviggi, Mg; Ambrosi, G; Anderhub, H; Andreev, Vp; Angelescu, T; Anselmo, F; Arefiev, A; Azemoon, T; Aziz, T; Bagnaia, Paolo; Bajo, A; Baksay, L; Balandras, A; Banerjee, S; Banerjee, S; Barczyk, A; Barillere, R; Barone, Luciano Maria; Bartalini, P; Basile, M; Battiston, R; Bay, A; Becattini, F; Becker, U; Behner, F; Bellucci, L; Berbeco, R; Berdugo, J; Berges, P; Bertucci, B; Betev, Bl; Bhattacharya, S; Biasini, M; Biland, A; Blaising, Jj; Blyth, Sc; Bobbink, Gj; Bohm, A; Boldizsar, L; Borgia, B; Bourilkov, D; Bourquin, M; Braccini, S; Branson, Jg; Brigljevic, V; Brochu, F; Buffini, A; Buijs, A; Burger, Jd; Burger, Wj; Cai, Xd; Campanelli, M; Capell, M; Romeo, Gc; Carlino, G; Cartacci, Am; Casaus, J; Castellini, G; Cavallari, F; Cavallo, N; Cecchi, C; Cerrada, M; Cesaroni, F; Chamizo, M; Chang, Yh; Chaturvedi, Uk; Chemarin, M; Chen, A; Chen, G; Chen, Gm; Chen, Hf; Chen, Hs; Chiefari, G; Cifarelli, L; Cindolo, F; Civinini, C; Clare, I; Clare, R; Coignet, G; Colijn, Ap; Colino, N; Costantini, S; Cotorobai, F; Cozzoni, B; De La Cruz, B; Csilling, A; Cucciarelli, S; Dai, Ts; Van Dalen, Ja; D'Alessandro, R; De Asmundis, R; Deglon, P; Degre, A; Deiters, K; Della Volpe, D; Denes, P; Denotaristefani, F; De Salvo, A; Diemoz, M; Van Dierendonck, D; Di Lodovico, F; Dionisi, C; Dittmar, M; Dominguez, A; Doria, A; Dova, Mt; Duchesneau, D; Dufournaud, D; Duinker, P; Duran, I; El Mamouni, H; Engler, A; Eppling, Fj; Erne, Fc; Extermann, P; Fabre, M; Faccini, R; Falagan, Ma; Falciano, S; Favara, A; Fay, J; Fedin, O; Felcini, M; Ferguson, T; Ferroni, Fernando; Fesefeldt, H; Fiandrini, E; Field, Jh; Filthaut, F; Fisher, Ph; Fisk, I; Forconi, G; Fredj, L; Freudenreich, K; Furetta, C; Galaktionov, Y; Ganguli, Sn; Garcia Abia, P; Gataullin, M; Gau, Ss; Gentile, Simonetta; Gheordanescu, N; Giagu, Stefano; Gong, Zf; Grenier, G; Grimm, O; Gruenewald, Mw; Guida, M; Van Gulik, R; Gupta, Vk; Gurtu, A; Gutay, Lj; Haas, D; Hasan, A; Hatzifotiadou, D; Hebbeker, T; Herve, A; Hidas, P; Hirschfelder, J; Hofer, H; Holzner, G; Hoorani, H; Hou, Sr; Hu, Y; Iashvili, I; Jin, Bn; Jones, Lw; De Jong, P; Josa Mutuberria, I; Khan, Ra; Kaur, M; Kienzle Focacci, Mn; Kim, D; Kim, Jk; Kirkby, J; Kiss, D; Kittel, W; Klimentov, A; Konig, Ac; Kopp, A; Koutsenko, V; Kraber, M; Kraemer, Rw; Krenz, W; Kruger, A; Kunin, A; De Guevara, Pl; Laktineh, I; Landi, G; Lassila Perini, K; Lebeau, M; Lebedev, A; Lebrun, P; Lecomte, P; Lecoq, P; Le Coultre, P; Lee, Hj; Le Goff, Jm; Leiste, R; Leonardi, E; Levtchenko, P; Li, C; Likhoded, S; Lin, Ch; Lin, Wt; Linde, Fl; Lista, L; Liu, Za; Lohmann, W; Longo, E; Lu, Ys; Lubelsmeyer, K; Luci, Claudio; Luckey, D; Lugnier, L; Luminari, L; Lustermann, W; Ma, Wg; Maity, M; Malgeri, L; Malinin, A; Mana, C; Mangeol, D; Mans, J; Marchesini, P; Marian, G; Martin, Jp; Marzano, F; Massaro, Ggg; Mazumdar, K; Mcneil, Rr; Mele, S; Merola, L; Meschini, M; Metzger, Wj; Von Der Mey, M; Mihul, A; Milcent, H; Mirabelli, G; Mnich, J; Mohanty, Gb; Molnar, P; Monteleoni, B; Moulik, T; Muanza, Gs; Muheim, F; Muijs, Ajm; Musy, M; Napolitano, M; Nessi Tedaldi, F; Newman, H; Niessen, T; Nisati, A; Nowak, H; Organtini, Giovanni; Oulianov, A; Palomares, C; Pandoulas, D; Paoletti, S; Paolucci, P; Paramatti, Riccardo; Park, Hk; Park, Ih; Pascale, G; Passaleva, G; Patricelli, S; Paul, T; Pauluzzi, M; Paus, C; Pauss, F; Pedace, M; Pensotti, S; Perret Gallix, D; Petersen, B; Piccolo, D; Pierella, F; Pieri, M; Piroue, Pa; Pistolesi, E; Plyaskin, V; Pohl, M; Pojidaev, V; Postema, H; Pothier, J; Produit, N; Prokofiev, Do; Prokofiev, D; Quartieri, J; Rahal Callot, G; Rahaman, Ma; Raics, P; Raja, N; Ramelli, R; Rancoita, Pg; Raspereza, A; Raven, G; Razis, P; Ren, D; Rescigno, M; Reucroft, S; Van Rhee, T; Riemann, S; Riles, K; Robohm, A; Rodin, J; Roe, Bp; Romero, L; Rosca, A; Rosier Lees, S; Rubio, Ja; Ruschmeier, D; Rykaczewski, H; Saremi, S; Sarkar, S; Salicio, J; Sanchez, E; Sanders, Mp; Sarakinos, Me; Schafer, C; Schegelsky, V; Schmidt Kaerst, S; Schmitz, D; Schopper, H; Schotanus, Dj; Schwering, G; Sciacca, C; Sciarrino, D; Seganti, A; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shumilov, E; Shvorob, A; Siedenburg, T; Son, D; Smith, B; Spillantini, P; Steuer, M; Stickland, Dp; Stone, A; Stone, H; Stoyanov, B; Straessner, A; Sudhakar, K; Sultanov, G; Sun, Lz; Suter, H; Swain, Jd; Szillasi, Z; Sztaricskai, T; Tang, Xw; Tauscher, L; Taylor, L; Tellili, B; Timmermans, C; Ting, Scc; Ting, Sm; Tonwar, Sc; Toth, J; Tully, C; Tung, Kl; Uchida, Y; Ulbricht, J; Valente, E; Vesztergombi, G; Vetlitsky, I; Vicinanza, D; Viertel, G; Villa, S; Vivargent, M; Vlachos, S; Vodopianov, I; Vogel, H; Vogt, H; Vorobiev, I; Vorobyov, Aa; Vorvolakos, A; Wadhwa, M; Wallraff, W; Wang, M; Wang, Xl; Wang, Zm; Weber, A; Weber, M; Wienemann, P; Wilkens, H; Wu, Sx; Wynhoff, S; Xia, L; Xu, Zz; Yamamoto, J; Yang, Bz; Yang, Cg; Yang, Hj; Yang, M; Ye, Jb; Yeh, Sc; Zalite, A; Zalite, Y; Zhang, Zp; Zhu, Gy; Zhu, Ry; Zichichi, Z; Zilizi, G; Zoller, M.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 479:(2000), pp. 79-88. [10.1016/S0370-2693(00)00369-5]
01a Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/248177
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