MEASUREMENT OF INCLUSIVE PRODUCTION OF LIGHT MESON RESONANCES IN HADRONIC DECAYS OF THE Z0

被引：37

作者：

ABREU, P

ADAM, W

ADYE, T

AGASI, E

ALEKSEEV, GD

ALGERI, A

ALLEN, P

ALMEHED, S

ALVSVAAG, SJ

AMALDI, U

ANASSONTZIS, EG

ANDREAZZA, A

ANTILOGUS, P

APEL, WD

APSIMON, RJ

ASMAN, B

AUGUSTIN, JE

AUGUSTINUS, A

BAILLON, P

BAMBADE, P

BARAO, F

BARATE, R

BARBIELLINI, G

BARDIN, DY

BARKER, G

BARONCELLI, A

BARRING, O

BARRIO, JA

BARTL, W

BATES, MJ

BATTAGLIA, M

BAUBILLIER, M

BECKS, KH

BEESTON, CJ

BEGALLI, M

BEILLIERE, P

BELOKOPYTOV, Y

BELTRAN, P

BENEDIC, D

BENVENUTI, AC

BERGGREN, M

BERTRAND, D

BIANCHI, F

BILENKY, MS

BILLOIR, P

BJARNE, J

BLOCH, D

BLYTH, S

BOCCI, V

BOGOLUBOV, PN

机构：

[1] AUSTRIAN ACAD SCI, INST HOCHENERGIEPHYS, A-1050 VIENNA, AUSTRIA

[2] NIKHEF H, 1009 DB AMSTERDAM, NETHERLANDS

[3] JOINT NUCL RES INST, DUBNA 101000, RUSSIA

[4] SEFT, HIGH ENERGY PHYS RES INST, SF-00170 HELSINKI 17, FINLAND

[5] UNIV VALENCIA, CSIC, IFIC VALENCIA, E-46100 BURJASSOT, SPAIN

[6] UNIV LUND, DEPT PHYS, S-22363 LUND, SWEDEN

[7] UNIV BERGEN, DEPT PHYS, N-5007 BERGEN, NORWAY

[8] CERN, CH-1211 GENEVA 23, SWITZERLAND

[9] UNIV ATHENS, PHYS LAB, GR-10680 ATHENS, GREECE

[10] INFN, I-20133 MILAN, ITALY

[11] UNIV LYON 1, IPNL, IN2P3, CNRS, F-69622 VILLEURBANNE, FRANCE

[12] UNIV GRENOBLE 1, INST SCI NUCL, IN2P3, CNRS, F-38026 GRENOBLE, FRANCE

[13] INFN, I-34127 TRIESTE, ITALY

[14] UNIV OXFORD, NUCL PHYS LAB, OXFORD OX1 3RH, ENGLAND

[15] IST NAZL FIS NUCL, IST SUPER SANITA, I-00161 ROME, ITALY

[16] UNIV COMPLUTENSE, E-28040 MADRID, SPAIN

[17] UNIV PARIS 06, IN2P3, LPNHE, CNRS, F-75252 PARIS 05, FRANCE

[18] PONTIFICIA UNIV CATOLICA, DEPT FIS, BR-22453 RIO DE JANEIRO, BRAZIL

[19] NCSR DEMOKRITOS, INST NUCL PHYS, GR-15310 ATHENS, GREECE

[20] ULP, CTR RECH NUCL, IN2P3, CNRS, F-67037 STRASBOURG, FRANCE

[21] INFN, I-40126 BOLOGNA, ITALY

[22] VUB, ULB, IIHE, B-1050 BRUSSELS, BELGIUM

[23] INFN, I-10125 TURIN, ITALY

[24] UNIV ROME 2, DIPARTIMENTO FIS, I-00173 ROME, ITALY

[25] CENS, DAPNIA, DSM, F-91191 GIF SUR YVETTE, FRANCE

[26] UNIV GENOA, DIPARTIMENTO FIS, I-16146 GENOA, ITALY

[27] UNIV OSLO, DEPT PHYS, N-1000 OSLO 3, NORWAY

[28] UNIV SANTANDER, FAC CIENCIAS, E-39005 SANTANDER, SPAIN

[29] NIELS BOHR INST, DK-2100 COPENHAGEN 0, DENMARK

[30] INST NUCL STUDIES, PL-00681 WARSAW, POLAND

[31] NATL TECH UNIV ATHENS, DEPT PHYS, GR-15773 ATHENS, GREECE

[32] UNIV AIX MARSEILLE 2, CPP, IN2P3, CNRS, F-13288 MARSEILLE 09, FRANCE

[33] COLL FRANCE, PHYS CORPUSCULAIRE LAB, F-75231 PARIS 05, FRANCE

[34] PROTUINO HIGH ENERGY PHYS INST, PROTUINO 142284, RUSSIA

[35] UNIV BOLOGNA, DIPARTIMENTO FIS, I-40126 BOLOGNA, ITALY

[36] UNIV INSTELLING ANTWERP, DEPT PHYS, B-2610 Antwerp, BELGIUM

[37] UNIV ETAT MONS, FAC SCI, B-7000 MONS, BELGIUM

[38] UNIV TURIN, DIPARTIMENTO FIS SPERIMENTALE, I-10125 TURIN, ITALY

[39] INFN, I-00173 ROME, ITALY

[40] UNIV LIVERPOOL, DEPT PHYS, LIVERPOOL L69 3BX, ENGLAND

[41] UNIV LJUBLJANA, J STEFAN INST, YU-61000 LJUBLJANA, SLOVENIA

[42] UNIV LJUBLJANA, DEPT PHYS, YU-61000 LJUBLJANA, SLOVENIA

[43] UNIV UPPSALA, DEPT RADIAT SCI, S-75121 UPPSALA, SWEDEN

[44] INST NUCL PHYS, HIGH ENERGY PHYS LAB, PL-30055 KRAKOW 30, POLAND

[45] CHARLES UNIV, MFF, CTR NUCL, NC, CS-18000 PRAGUE 8, CZECHOSLOVAKIA

[46] CTR BRASILEIRO PESQUISAS, BR-22290 RIO DE JANEIRO, BRAZIL

[47] INFN, I-16146 GENOA, ITALY

[48] UNIV PADUA, I-35131 PADUA, ITALY

[49] INFN, I-35131 PADUA, ITALY

[50] IOWA STATE UNIV SCI & TECHNOL, AMES LAB, AMES, IA 50011 USA

来源：

PHYSICS LETTERS B | 1993年 / 298卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(93)91736-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A study of inclusive production of the meson resonances rho0, K*0 (892), f0(975) and f2(1270) in hadronic decays of the Z0 is presented. The measured mean meson multiplicity per hadronic event is 0.83 +/- 0.14 for the rho0, 0.64 +/- 0.24 for the K*0(892). 0.10 +/- 0.04 for the f0(975) in the momentum range p > 0.05p(beam) (x(p) > 0.05) and 0.11 +/- 0.05 for the f2 (1270) for x(p) > 0. 1. These values and the corresponding differential cross sections (1/sigma(hadr)) dsigma/dx(p) for the vector mesons are in good agreement with the predictions of the JETSET 7.3 PS and HFRWIG 5.4 models. The f2 (1270) production is overestimated by HERWIG but its x(p)-shape is correctly reproduced. The measured ratios of the production cross sections sigma (f2(1270))/sigma(rho0) = 0.22 +/- 0.08 and sigma(f2(1270))/sigma(f0(975)) = 3(-1)+7 for x(p) > 0.1 are consistent with the results obtained in hadronic reactions.

引用

页码：236 / 246

页数：11

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