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Hadronization properties of b quarks compared to light quarks in e(+)e(-)-> q(q)over-bar from 183 to 200 GeV
Authors :
Abreu, P Adam, W Adye, T Adzic, P Albrecht, Z and Alderweireld, T Alekseev, GD Alemany, R Allmendinger, T and Allport, PP Almehed, S Amaldi, U Amapane, N Amato, S and Anassontzis, EG Andersson, P Andreazza, A Andringa, S and Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE and Augustinus, A Baillon, P Ballestrero, A Bambade, P and Barao, F Barbiellini, G Barbier, R Bardin, DY Barker, G and Baroncelli, A Battaglia, M Baubillier, M Becks, KH and Begalli, M Behrmann, A Beilliere, P Belokopytov, Y and Belous, K Benekos, NC Benvenuti, AC Berat, C Berggren, M and Bertrand, D Besancon, M Bigi, M Bilenky, MS and Bizouard, MA Bloch, D Blom, HM Bonesini, M Boonekamp, M and Booth, PSL Borisov, G Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Boyko, I and Bozovic, I Bozzo, M Bracko, M Branchini, P Brenner, RA and Bruckman, P Brunet, JM Bugge, L Buran, T Buschbeck, B Buschmann, P Cabrera, S Caccia, M Calvi, M and Camporesi, T Canale, V Carena, F Carroll, L Caso, C and Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V Chapkin, M and Charpentier, P Checchia, P Chelkov, GA Chierici, R and Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J and Cieslik, K Collins, P Contri, R Cortina, E Cosme, G and Cossutti, F Costa, M Crawley, HB Crennell, D Crepe, S and Crosetti, G Maestro, JC Czellar, S Davenport, M Da Silva, W Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Clercq, C De Lotto, B De Min, A and De Paula, L Dijkstra, H Di Ciaccio, L Dolbeau, J and Doroba, K Dracos, M Drees, J Dris, M Duperrin, A and Durand, JD Eigen, G Ekelof, T Ekspong, G Ellert, M and Elsing, M Engel, JP Santo, ME Fanourakis, G and Fassouliotis, D Fayot, J Feindt, M Ferrer, A and Ferrer-Ribas, E Ferro, F Fichet, S Firestone, A and Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F Franek, B and Frodesen, AG Fruhwirth, R Fulda-Quenzer, F Fuster, J and Galloni, A Gamba, D Gamblin, S Gandelman, M Garcia, C and Gaspar, C Gaspar, M Gasparini, U Gavillet, P Gazis, EN Gele, D Geralis, T Ghodbane, N Gil, I Glege, F and Gokieli, R Golob, B Gomez-Ceballos, G Goncalves, P and Caballero, IG Gopal, G Gorn, L Gouz, Y Gracco, V and Grahl, J Graziani, E Gris, P Grosdidier, G Grzelak, K and Guy, J Haag, C Hahn, F Hahn, S Haider, S and Hallgren, A Hamacher, K Hansen, J Harris, FJ Hauler, F and Hedberg, V Heising, S Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Hoorelbeke, S Houlden, M Hrubec, J Huber, M Huet, K Hughes, GJ Hultqvist, K Jackson, JN Jacobsson, R and Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Jeans, D Johansson, EK Jonsson, P Joram, C and Juillot, P Jungermann, L Kapusta, F Karafasoulis, K and Katsanevas, S Katsoufis, EC Keranen, R Kernel, G and Kersevan, BP Khokhlov, Y Khomenko, BA Khovanski, NN and Kiiskinen, A King, B Kinvig, A Kjaer, NJ Klapp, O and Klein, H Kluit, P Kokkinias, P Kostioukhine, V and Kourkoumelis, C Kouznetsov, O Krammer, M Kriznic, E and Krumstein, Z Kubinec, P Kurowska, J Kurvinen, K Lamsa, JW Lane, DW Lapin, V Laugier, JP Lauhakangas, R and Leder, G Ledroit, F Lefebure, V Leinonen, L Leisos, A and Leitner, R Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liebig, W Liko, D Lipniacka, A and Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM and Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L and MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM and Maltezos, S Malychev, V Mandl, F Marco, J Marco, R and Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A Martinez-Rivero, C Garcia, SMI Masik, J and Mastroyiannopoulos, N Matorras, F Matteuzzi, C Matthiae, G and Mazzucato, F Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Meroni, C Meyer, WT Miagkov, A and Migliore, E Mirabito, L Mitaroff, WA Mjoernmark, U and Moa, T Moch, M Moeller, R Moenig, K Monge, MR and Moraes, D Moreau, X Morettini, P Morton, G Mueller, U and Muenich, K Mulders, M Mulet-Marquis, C Muresan, R and Murray, WJ Muryn, B Myatt, G Myklebust, T Naraghi, F and Nassiakou, M Navarria, FL Nawrocki, K Negri, P Neufeld, N Nicolaidou, R Nielsen, BS Niezurawski, P Nikolenko, M and Nomokonov, V Nygren, A Obraztsov, V Olshevski, AG and Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A and Oyanguren, A Paganoni, M Paiano, S Pain, R Paiva, R and Palacios, J Palka, H Papadopoulou, TD Pape, L Parkes, C and Parodi, F Parzefall, U Passeri, A Passon, O Pavel, T and Pegoraro, M Peralta, L Pernicka, M Perrotta, A and Petridou, C Petrolini, A Phillips, HT Pierre, F Pimenta, M Piotto, E Podobnik, T Pol, ME Polok, G Poropat, P and Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A and Radojicic, D Ragazzi, S Rahmani, H Rames, J Ratoff, PN and Read, AL Rebecchi, P Redaelli, NG Regler, M Rehn, J and Reid, D Reinertsen, P Reinhardt, R Renton, PB and Resvanis, LK Richard, F Ridky, J Rinaudo, G Ripp-Baudot, I Rohne, O Romero, A Ronchese, P Rosenberg, EI and Rosinsky, P Roudeau, P Rovelli, T Royon, C and Ruhlmann-Kleider, V Ruiz, A Saarikko, H Sacquin, Y and Sadovsky, A Sajot, G Salt, J Sampsonidis, D Sannino, M and Schwemling, P Schwering, B Schwickerath, U Scuri, F and Seager, P Sedykh, Y Segar, AM Seibert, N Sekulin, R and Shellard, RC Siebel, M Simard, L Simonetto, F Sisakian, AN Smadja, G Smirnova, O Smith, GR Solovianov, O and Sopczak, A Sosnowski, R Spassov, T Spiriti, E Squarcia, S Stanescu, C Stanic, S Stanitzki, M Stevenson, K and Stocchi, A Strauss, J Strub, R Stugu, B Szczekowski, M and Szeptycka, M Tabarelli, T Taffard, A Tegenfeldt, F and Terranova, F Thomas, J Timmermans, J Tinti, N Tkatchev, LG Tobin, M Todorova, S Tomaradze, A Tome, B and Tonazzo, A Tortora, L Tortosa, P Transtromer, G Treille, D Tristram, G Trochimczuk, M Troncon, C Turluer, ML and Tyapkin, IA Tyapkin, P Tzamarias, S Ullaland, O Uvarov, V Valenti, G Vallazza, E Van Dam, P Van den Boeck, W and Van Eldik, J Van Lysebetten, A van Remortel, N Van Vulpen, I and Vegni, G Ventura, L Venus, W Verbeure, F Verdier, P and Verlato, M Vertogradov, LS Verzi, V Vilanova, D and Vitale, L Vlasov, E Vodopyanov, AS Voulgaris, G Vrba, V and Wahlen, H Walck, C Washbrook, AJ Weiser, C Wicke, D and Wickens, JH Wilkinson, GR Winter, M Witek, M Wolf, G and Yi, J Yushchenko, O Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zintchenko, A and Zoller, P Zucchelli, GC Zumerle, G DELPHI Collaboration
Publication Year :
2000
Abstract
The DELPHI detector at LEP has collected 54 pb(-1) of data at a centre-of-mass energy around 183 GeV during 1997, 158 pb(-1) around 189 GeV during 1998, and 187 pb(-1) between 192 and 200 GeV during 1999. These data were used to measure the average charged particle multiplicity in e(+)e(-)->b (b) over bar events: (n)(b (b) over bar), and the difference delta(hl) between (n)(b (b) over bar) and the multiplicity, (n)(l (l) over bar), in generic light quark (u,d,s) events: delta(hl)(183 GeV) = 4.55 +/- 1.31(stat) +/- 0.73(syst), delta(hl)(189 GeV) = 4.43 +/- 0.85(stat) +/- 0.61(syst), delta(hl)(200 GeV) = 3.39 +/- 0.89(stat) +/- 1.01 (syst). This result is consistent with QCD predictions, while it is inconsistent with calculations assuming that the multiplicity accompanying the decay of a heavy quark is independent of the: mass of the quark itself. (C) 2000 Elsevier Science B.V. All rights reserved.
Details
Language :
English
Database :
OpenAIRE
Accession number :
edsair.od......2127..3a1fd45732442468c5f906c2f0d5120a