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An upper limit for Br(Z(0)->ggg) from symmetric 3-jet Z(0) hadronic decays

Authors :
Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barate, R Barbi, M Bardin, DY Baroncelli, A and Barring, O Barrio, JA Bartl, W Bates, MJ Battaglia, M and Baubillier, M Baudot, J Becks, KH Begalli, M and Beilliere, P Belokopytov, Y Belous, K Benvenuti, AC and Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P Bizouard, MA Bloch, D Blume, M Bolognese, T Bonesini, M Bonivento, W and Booth, PSL Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA Bricman, C Brown, RCA and Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T and Buschmann, P Buys, A Cabrera, S Caccia, M Calvi, M and Rozas, AJC Camporesi, T Canale, V Canepa, M and Cankocak, K Cao, F Carena, F Carroll, L Caso, C and Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Cindro, V Collins, P Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and DahlJensen, E Dahm, J Dalmagne, B Dam, M Damgaard, G and Dauncey, PD Davenport, M DaSilva, W Defoix, C Deghorain, A DellaRicca, G Delpierre, P Demaria, N DeAngelis, A and DeBoer, W DeBrabandere, S DeClerq, C DelaVaissiere, C and DeLotto, B DeMin, A DePaula, L DeSaintJean, C Dijkstra, H DiCiaccio, L DiDiodato, A Djama, F Dolbeau, J and Donszelmann, M Doroba, K Dracos, M Drees, J Drees, KA and Dris, M Durand, JD Edsall, D Ehret, R Eigen, G and Ekelof, T Ekspong, G Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fassouliotis, D Feindt, M Fenyuk, A and Ferrer, A Fichet, S Filippas, TA Firestone, A and Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B Frenkiel, P Fries, DC Frodesen, AG and FuldaQuenzer, F Fuster, J Galloni, A Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C Gasparini, U and Gavillet, P Gazis, EN Gele, D Gerber, JP Gerdyukov, L and Gokieli, R Golob, B Gopal, G Gorn, L Gorski, M and Gouz, Y Gracco, V Graziani, E Green, C Grefrath, A and Gris, P Grosdidier, G Grzelak, K Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F Hahn, S Hajduk, Z and Hallgren, A Hamacher, K Harris, FJ Hedberg, V Henriques, R Hernandez, JJ Herquet, P Herr, H Hessing, TL and Higon, E Hilke, HJ Hill, TS Holmgren, SO Holt, PJ and Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K and Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P JeanMarie, B and Johansson, EK Jonsson, L Jonsson, P Joram, C and Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Karlsson, M Karvelas, E Katsanevas, S Katsoufis, EC and Keranen, R Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H Klovning, A Kluit, P and Koene, B Kokkinias, P Koratzinos, M Korcyl, K and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kronkvist, I Krumstein, Z Krupinski, W and Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F and Lefebure, V Legan, CK Leitner, R Lemonne, J Lenzen, G and Lepeltier, V Lesiak, T Libby, J Liko, D Lindner, R and Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J and Maehlum, G Mahon, JR Malmgren, TGM Malychev, V Mandl, F and Marco, J Marco, R Marechal, B Margoni, M Marin, JC and Mariotti, C Markou, A MartinezRivero, C MartinezVidal, F and Garcia, SMI Masik, J Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, M McCubbin, M McKay, R McNulty, R and Medbo, J Merk, M Meroni, C Meyer, S Meyer, WT and Michelotto, M Migliore, E Mirabito, L Mitaroff, WA and Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR and Morettini, P Mueller, H Muenich, K Mulders, M Mundim, LM and Murray, WJ Muryn, B Myatt, G Naraghi, F Navarria, FL and Navas, S Nawrocki, K Negri, P Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Niss, P Nomerotski, A Normand, A Novak, M and OberschulteBeckmann, W Obraztsov, V Olshevski, AG Onofre, A and Orava, R Osterberg, K Ouraou, A Paganini, P and Paganoni, M Pages, P Pain, R Palka, H Papadopoulou, TD and Papageorgiou, K Pape, L Parkes, C Parodi, F Passeri, A Pegoraro, M Peralta, L Pernegger, H Pernicka, M and Perrotta, A Petridou, C Petrolini, A Petrovyck, M and Phillips, HT Piana, G Pierre, F Pimenta, M Podobrin, O and Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S and Rahmani, H Rames, J Ratoff, PN Read, AL Reale, M and Rebecchi, P Redaelli, NG Regler, M Reid, D Renton, PB and Resvanis, LK Richard, F Richardson, J Ridky, J and Rinaudo, G Ripp, I Romero, A Roncagliolo, I Ronchese, P and Roos, L Rosenberg, EI Rosso, E Roudeau, P Rovelli, T and Ruckstuhl, W RuhlmannKleider, V Ruiz, A Rybicki, K and Saarikko, H Sacquin, Y Sadovsky, A Sahr, O Sajot, G and Salt, J Sanchez, J Sannino, M Schimmelpfennig, M and Schneider, H Schwickerath, U Schyns, MAE Sciolla, G and Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A and Sekulin, R Serbelloni, L Shellard, RC Siegrist, P and Silvestre, R Simonetti, S Simonetto, F Sisakian, AN and Sitar, B Skaali, TB Smadja, G Smirnova, O Smith, GR and Sokolov, A Sosnowski, R SouzaSantos, D Spassov, T and Spiriti, E Sponholz, P Squarcia, S Stanescu, C Stapnes, S Stavitski, I Stevenson, K Stichelbaut, F Stocchi, A and Strauss, J Strub, R Stugu, B Szczekowski, M and Szeptycka, M Tabarelli, T Tavernet, JP Tchikilev, O and Thomas, J Tilquin, A Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G Treille, D Trischuk, W and Tristram, G Trombini, A Troncon, C Tsirou, A Turluer, ML and Tyapkin, IA Tyndel, M Tzamarias, S Ueberschaer, B and Ullaland, O Uvarov, V Valenti, G Vallazza, E and VanApeldoorn, GW VanDam, P VanEldik, J VanLysebetten, A and Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Vilanova, D Vincent, P and Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H and Walck, C Waldner, F Weierstall, M Weilhammer, P Weiser, C Wetherell, AM Wicke, D Wickens, JH Wielers, M and Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T and Woschnagg, K Yip, K Yushchenko, O Zach, F Zaitsev, A and Zalewska, A Zalewski, P Zavrtanik, D Zevgolatakos, E and Zimin, NI Zito, M Zontar, D Zucchelli, GC Zumerle, G
Publication Year :
1996

Abstract

An upper limit for BR(Z(0) –> 3g) is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle multiplicity distributions. From the sample of threefold symmetric three-jet events collected by the DELPHI experiment at LEP during 1991-1994, the 95% confidence level upper limit is deduced to be: BR(Z(0) –> 3g) less than or equal to 1.6 x 10(-2) for the JADE and BR(Z(0) –> 3g) less than or equal to 1.5 x 10(-2) for the DURHAM jet-finder.

Details

Language :
English
Database :
OpenAIRE
Accession number :
edsair.od......2127..4e10159ec913895fc0ce00cbf19d0e02

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