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Titolo:
Heavy quarkonium production in Z decays
Autore:
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, P; Baksay, L; Balandras, A; Ball, RC; Banerjee, S; Banerjee, S; Banicz, K; Barczyk, A; Barillere, R; Barone, L; Bartalini, P; Basile, M; Battiston, R; Bay, A; Becattini, F; Becker, U; Behner, F; 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; Busenitz, J; Button, A; 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; Chereau, X; Chiefari, G; Cifarelli, L; Cindolo, F; Civinini, C; Clare, I; Clare, R; Coignet, G; Colijn, AP; Colino, N; Costantini, S; Cotorobai, F; de la Cruz, B; Csilling, A; Dai, TS; van Dalen, JA; DAlessandro, 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; Dufournand, D; Duinker, P; Doria, A; Dova, MT; Duchesneau, D; Dufournand, 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, F; 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, S; Gheordanescu, N; Giagu, S; Goldfarb, S; Gong, ZF; Gruenewald, MW; 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; Iashvili, I; Jin, BN; Jones, LW; de Jong, P; Josa-Mutuberria, I; Kasser, A; Khan, RA; Kamrad, D; Kapustinsky, JS; Kaur, M; Kienzle-Focacci, MN; Kim, D; Kim, DH; Kim, JK; Kim, SC; Kinnison, WW; Kirkby, J; Kiss, D; Kittel, W; Klimentov, A; Konig, AC; Kopp, A; Korolko, I; Koutsenko, V; Kraemer, RW; Krenz, W; Kunin, A; Lacentre, P; de Guevara, PL; Laktineh, I; Landi, G; Lapoint, C; Lassila-Perini, K; Laurikainen, P; Lavorato, A; 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; Lin, CH; Lin, WT; Linde, FL; Lista, L; Liu, ZA; Lohmann, W; Longo, E; Lu, YS; Lubelsmeyer, K; Luci, C; Luckey, D; Luminari, L; Lustermann, W; Ma, WG; Maity, M; Majumder, G; Malgeri, L; Malinin, A; Mana, C; Mangeol, D; 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; Mi, Y; Migani, D; Mihul, A; Milcent, H; Mirabelli, G; Mnich, J; Molnar, P; Monteleoni, B; Moulik, T; Muanza, GS; Muheim, F; Muijs, AJM; Nahn, S; Napolitano, M; Nessi-Tedaldi, F; Newman, H; Niessen, T; Nippe, A; Nisati, A; Nowak, H; Oh, YD; Organtini, G; Ostonen, R; Palomares, C; Pandoulas, D; Paoletti, S; Paolucci, P; Park, HK; Park, IH; Pascale, G; Passaleva, G; Patricelli, S; Paul, T; Pauluzzi, M; Paus, C; Pauss, F; Peach, D; Pedace, M; Pei, YJ; Pensotti, S; Perret-Gallix, D; Petersen, B; Petrak, S; Piccolo, D; Pieri, M; Piroue, PA; Pistolesi, E; Plyaskin, V; Pohl, M; Pojidaev, V; Postema, H; Pothier, J; Produit, N; Prokofiev, D; Quartieri, J; Rahal-Callot, G; Raja, N; Rancoita, PG; Raven, G; Razis, P; Ren, D; Rescigno, M; Reucroft, S; van Rhee, T; Riemann, S; Riles, K; Robohm, A; Robin, J; Roe, BP; Romero, L; Rosier-Lees, S; Rosselet, P; Rubio, JA; Ruschmeier, D; Rykaczewski, H; Sakar, S; Salicio, J; Sanchez, E; Sanders, MP; Sarakinos, ME; Schafer, C; Schegelsky, V; Schmidt-Kaerst, S; Schmitz, D; Scholz, N; Schopper, H; Schotanus, DJ; Schwenke, J; Schwering, G; Sciacca, C; Sciarrino, D; Servoli, L; Shevchenko, S; Shivarov, N; Shoutko, V; Shukla, J; 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; Tang, XW; Tauscher, L; Taylor, L; Timmermans, C; Ting, SCC; Ting, SM; Tonwar, SC; Toth, J; Tully, C; Tung, KL; Uchida, Y; Ulbricht, J; Valente, E; Vesztergombi, G; Vetlitsky, I; Viertel, G; Villa, S; Vivargent, M; Vlachos, S; Vogel, H; Vogt, H; Vorobiev, I; Vorobyov, AA; Vorvolakos, A; Wadhwa, M; Wallraff, W; Wang, JC; Wang, XL; Wang, ZM; Weber, A; Weber, M; Wienemann, P; Wilkens, H; Wu, SX; Wynhoff, S; Xia, L; Xu, ZZ; Yang, BZ; Yang, CG; Yang, HJ; Yang, M; Ye, JB; Yeh, SC; You, JM; Zalite, A; Zalite, Y; Zemp, P; Zhang, ZP; Zhu, GY; Zhu, RY; Zichichi, A; Ziegler, F; Zilizi, G; Zoller, M;
Indirizzi:
Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy Ist Nazl Fis Nucl Milan Italy I-20133 , Sez Milano, I-20133 Milan, Italy Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany Rhein Westfal TH Aachen Aachen Germany D-52056 , D-52056 Aachen, Germany Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany Rhein Westfal TH Aachen Aachen Germany D-52056 , D-52056 Aachen, Germany NIKHEF H, Natl Lab High Energy Phys, NL-1009 DB Amsterdam, Netherlands NIKHEF H Amsterdam Netherlands NL-1009 DB 1009 DB Amsterdam, Netherlands Univ Amsterdam, NL-1009 DB Amsterdam, Netherlands Univ Amsterdam Amsterdam Netherlands NL-1009 DB B Amsterdam, Netherlands Univ Michigan, Ann Arbor, MI 48109 USA Univ Michigan Ann Arbor MI USA 48109 iv Michigan, Ann Arbor, MI 48109 USA Labieux,cy Le Vieux Phys Particules, LAPP, IN2P3, CNRS, F-74941 Annecy Le V Lab Annecy Le Vieux Phys Particules Annecy Le Vieux France F-74941 Le V Univ Basel, Inst Phys, CH-4056 Basel, Switzerland Univ Basel Basel Switzerland CH-4056 st Phys, CH-4056 Basel, Switzerland Louisiana State Univ, Baton Rouge, LA 70803 USA Louisiana State Univ Baton Rouge LA USA 70803 , Baton Rouge, LA 70803 USA Inst High Energy Phys, Beijing 100039, Peoples R China Inst High Energy Phys Beijing Peoples R China 100039 39, Peoples R China Humboldt Univ, D-10099 Berlin, Germany Humboldt Univ Berlin Germany D-10099 boldt Univ, D-10099 Berlin, Germany Univ Bologna, I-40126 Bologna, Italy Univ Bologna Bologna Italy I-40126Univ Bologna, I-40126 Bologna, Italy Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy Ist Nazl Fis Nucl Bologna Italy I-40126 Bologna, I-40126 Bologna, Italy Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India Tata Inst Fundamental Res Bombay Maharashtra India 400005 arashtra, India Northeastern Univ, Boston, MA 02115 USA Northeastern Univ Boston MA USA 02115 heastern Univ, Boston, MA 02115 USA Inst Atom Phys, R-76900 Bucharest, Romania Inst Atom Phys Bucharest Romania R-76900 hys, R-76900 Bucharest, Romania Univ Bucharest, R-76900 Bucharest, Romania Univ Bucharest Bucharest Romania R-76900 est, R-76900 Bucharest, Romania Hungarian Acad Sci, Cent Res Inst Phys, H-1525 Budapest 114, Hungary Hungarian Acad Sci Budapest Hungary 114 ys, H-1525 Budapest 114, Hungary MIT, Cambridge, MA 02139 USA MIT Cambridge MA USA 02139MIT, Cambridge, MA 02139 USA Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy Ist Nazl Fis NuclFlorence Italy I-50125 irenze, I-50125 Florence, Italy Univ Florence, I-50125 Florence, Italy Univ Florence Florence Italy I-50125 v Florence, I-50125 Florence, Italy CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland CERN Geneva Switzerland 23 Particle Phys, CH-1211 Geneva 23, Switzerland FBLJA Project, World Lab, CH-1211 Geneva 23, Switzerland FBLJA Project Geneva Switzerland 23 Lab, CH-1211 Geneva 23, Switzerland Univ Geneva, CH-1211 Geneva 4, Switzerland Univ Geneva Geneva Switzerland 4 v Geneva, CH-1211 Geneva 4, Switzerland Univ Sci & Technol China, USTC, Hefei 230029, Anhui, Peoples R China Univ Sci & Technol China Hefei Anhui Peoples R China 230029 oples R China Res Inst High Energy Phys, SEFT, SF-00014 Helsinki, Finland Res Inst High Energy Phys Helsinki Finland SF-00014 14 Helsinki, Finland Univ Lausanne, CH-1015 Lausanne, Switzerland Univ Lausanne Lausanne Switzerland CH-1015 CH-1015 Lausanne, Switzerland Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy Ist Nazl Fis Nucl Lecce Italy I-73100 l, Sez Lecce, I-73100 Lecce, Italy Univ Lecce, I-73100 Lecce, Italy Univ Lecce Lecce Italy I-73100Univ Lecce, I-73100 Lecce, Italy Univ Calif Los Alamos Natl Lab, Los Alamos, NM 87544 USA Univ Calif Los Alamos Natl Lab Los Alamos NM USA 87544 amos, NM 87544 USA Univ Lyon 1, Inst Phys Nucl, IN2P3, CNRS, F-69622 Villeurbanne, France Univ Lyon 1 Villeurbanne France F-69622 RS, F-69622 Villeurbanne, France CIEMAT, E-28040 Madrid, Spain CIEMAT Madrid Spain E-28040CIEMAT, E-28040 Madrid, Spain Inst Theoret & Expt Phys, Moscow 117259, Russia Inst Theoret & Expt Phys Moscow Russia 117259 hys, Moscow 117259, Russia Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy Ist Nazl Fis Nucl Naples Italy I-80125 Sez Napoli, I-80125 Naples, Italy Univ Naples, I-80125 Naples, Italy Univ Naples Naples Italy I-80125Univ Naples, I-80125 Naples, Italy Univ Cyprus, Dept Nat Sci, Nicosia, Cyprus Univ Cyprus Nicosia CyprusUniv Cyprus, Dept Nat Sci, Nicosia, Cyprus Catholic Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands Catholic Univ Nijmegen Nijmegen Netherlands NL-6525 ED egen, Netherlands NIKHEF H, NL-6525 ED Nijmegen, Netherlands NIKHEF H Nijmegen NetherlandsNL-6525 ED L-6525 ED Nijmegen, Netherlands CALTECH, Pasadena, CA 91125 USA CALTECH Pasadena CA USA 91125CALTECH, Pasadena, CA 91125 USA Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy Ist Nazl Fis Nucl Perugia Italy I-06100 Perugia, I-06100 Perugia, Italy Univ Perugia, I-06100 Perugia, Italy Univ Perugia Perugia Italy I-06100Univ Perugia, I-06100 Perugia, Italy Carnegie Mellon Univ, Pittsburgh, PA 15213 USA Carnegie Mellon Univ Pittsburgh PA USA 15213 iv, Pittsburgh, PA 15213 USA Princeton Univ, Princeton, NJ 08544 USA Princeton Univ Princeton NJ USA 08544 ceton Univ, Princeton, NJ 08544 USA Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy Ist Nazl Fis Nucl Rome Italy I-00185 Nucl, Sez Roma, I-00185 Rome, Italy Univ Rome La Sapienza, I-00185 Rome, Italy Univ Rome La Sapienza Rome Italy I-00185 a Sapienza, I-00185 Rome, Italy Russian Acad Sci, Inst Nucl Phys, St Petersburg, Russia Russian Acad Sci St Petersburg Russia Nucl Phys, St Petersburg, Russia Univ Salerno, I-84100 Salerno, Italy Univ Salerno Salerno Italy I-84100Univ Salerno, I-84100 Salerno, Italy Ist Nazl Fis Nucl, I-84100 Salerno, Italy Ist Nazl Fis Nucl Salerno Italy I-84100 Fis Nucl, I-84100 Salerno, Italy Univ Calif San Diego, San Diego, CA 92093 USA Univ Calif San Diego San Diego CA USA 92093 iego, San Diego, CA 92093 USA Univ Santiago, Dept Fis Particular Elementales, E-15706 Santiago, Spain Univ Santiago Santiago Spain E-15706 lementales, E-15706 Santiago, Spain Bulgarianriaad Sci, Cent Lab Mechatron & Instrumentat, BU-1113 Sofia, Bulga Bulgarian Acad Sci Sofia Bulgaria BU-1113 rumentat, BU-1113 Sofia, Bulga Koreareav Inst Sci & Technol, Ctr High Energy Phys, Taejon 305701, South Ko Korea Adv Inst Sci & Technol Taejon South Korea 305701 305701, South Ko Univ Alabama, Tuscaloosa, AL 35486 USA Univ Alabama Tuscaloosa AL USA 35486 iv Alabama, Tuscaloosa, AL 35486 USA Univ Utrecht, NL-3584 CB Utrecht, Netherlands Univ Utrecht Utrecht Netherlands NL-3584 CB 3584 CB Utrecht, Netherlands NIKHEF H, NL-3584 CB Utrecht, Netherlands NIKHEF H Utrecht Netherlands NL-3584 CB NL-3584 CB Utrecht, Netherlands Purdue Univ, W Lafayette, IN 47907 USA Purdue Univ W Lafayette IN USA 47907 rdue Univ, W Lafayette, IN 47907 USA Paul Scherrer Inst, CH-5232 Villigen, Switzerland Paul Scherrer Inst Villigen Switzerland CH-5232 32 Villigen, Switzerland DESY, Inst Hochenergiephys, D-15738 Zeuthen, Germany DESY Zeuthen Germany D-15738 t Hochenergiephys, D-15738 Zeuthen, Germany ETH Zurich, CH-8093 Zurich, Switzerland ETH Zurich Zurich Switzerland CH-8093 urich, CH-8093 Zurich, Switzerland Univ Hamburg, D-22761 Hamburg, Germany Univ Hamburg Hamburg Germany D-22761 v Hamburg, D-22761 Hamburg, Germany Natl Cent Univ, Chungli 32054, Taiwan Natl Cent Univ Chungli Taiwan 32054 atl Cent Univ, Chungli 32054, Taiwan Natl Tsing Hua Univ, Dept Phys, Hsinchu, Taiwan Natl Tsing Hua Univ Hsinchu Taiwan Hua Univ, Dept Phys, Hsinchu, Taiwan
Titolo Testata:
PHYSICS LETTERS B
fascicolo: 1-2, volume: 453, anno: 1999,
pagine: 94 - 106
SICI:
0370-2693(19990429)453:1-2<94:HQPIZD>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
HADRONIC Z(0) DECAYS; J/PSI-PRODUCTION; UPSILON-PRODUCTION; FRAGMENTATION; CHARMONIUM; LEP; ANNIHILATION; COLLISIONS; TEVATRON; PHYSICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
39
Recensione:
Indirizzi per estratti:
Indirizzo: Acciarri, M Ist Nazl Fis Nucl, Sez Milano, Via Celoria 16, I-20133 Milan, Italy Ist Nazl Fis Nucl Via Celoria 16 Milan Italy I-20133 n, Italy
Citazione:
M. Acciarri et al., "Heavy quarkonium production in Z decays", PHYS LETT B, 453(1-2), 1999, pp. 94-106

Abstract

We report measurements of the inclusive production of heavy quarkonium states in Z decays based on the analysis of 3.6 million hadronic events collected by the L3 detector at LEP. The measurement of inclusive J production and an improved 95% confidence level upper limit on gamma production are presented. In addition, two independent measurements of the ratio, f(p), Of prompt J mesons to those from B decay are made using two different isolation cuts to separate prompt J mesons from J mesons produced in the decays of b hadrons. The results are: Br(Z --> J + X) = (3.21 +/- 0.21 (stat. )(-0.28)(+0.19) (sys. )) X 10(-3) Br(Z --> gamma(1S) + X) < 4.4 x 10(-5), f(p) = (7.1 +/- 2.1 (stat.) +/- 1.2 (sys. )(-0.8)(+1.5) (theo. )) X 10(-2). (C) 1999 Published by Elsevier Science B.V. All rights reserved.

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Documento generato il 15/01/21 alle ore 22:38:48