Measurement of inclusive ρ0, f0(980), f2(1270), K2*0(1430) and f′2(1525) production in Z0 decays

被引：30

作者：

Abreu, P

Adam, W

Adye, T

Adzic, P

Ajinenko, I

Albrecht, Z

Alderweireld, T

Alekseev, GD

Alemany, R

Allmendinger, T

Allport, PP

Almehed, S

Amaldi, U

Amato, S

Anassontzis, EG

Andersson, P

Andreazza, A

Andringa, S

Antilogus, P

Apel, WD

Arnoud, Y

Åsman, B

Augustin, JE

Augustinus, A

Baillon, P

Bambade, P

Barao, F

Barbiellini, G

Barbier, R

Bardin, DY

Barker, G

Baroncelli, A

Battaglia, M

Baubillier, M

Becks, KH

Begalli, M

Beilliere, P

Belokopytov, Y

Benvenuti, AC

Berat, C

Berggren, M

Bertini, D

Bertrand, D

Besancon, M

Bianchi, F

Bigi, M

Bilenky, MS

Bizouard, MA

Bloch, D

Blom, HM

机构：

[1] FCUL, IST, LIP, PT-1000 Lisbon, Portugal

[2] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[3] Univ Instelling Antwerp, Dept Phys, BE-2610 Wilrijk, Belgium

[4] ULB, VUB, IIHE, BE-1050 Brussels, Belgium

[5] Univ Etat Mons, Fac Sci, BE-7000 Mons, Belgium

[6] Univ Athens, Phys Lab, GR-10680 Athens, Greece

[7] Univ Bergen, Dept Phys, NO-5007 Bergen, Norway

[8] Univ Bologna, Dipartimento Fis, IT-40126 Bologna, Italy

[9] Ist Nazl Fis Nucl, IT-40126 Bologna, Italy

[10] Ctr Brasileiro Pesquisas Fis, BR-22290 Rio De Janeiro, Brazil

[11] Pontificia Univ Catolica Rio de Janeiro, Dept Fis, BR-22453 Rio De Janeiro, Brazil

[12] Univ Estadual Rio De Janeiro, Inst Fis, Rio De Janeiro, Brazil

[13] Comenius Univ, Fac Math & Phys, SK-84215 Bratislava, Slovakia

[14] Coll France, Phys Corpusculaire Lab, IN2P3, CNRS, FR-75231 Paris 05, France

[15] CERN, CH-1211 Geneva 23, Switzerland

[16] ULP, CNRS, IN2P3, Inst Rech Subatom, FR-67037 Strasbourg, France

[17] NCSR Demokritos, Inst Nucl Phys, GR-15310 Athens, Greece

[18] CAS, FZU, Inst Phys, Div High Energy Phys, CZ-18040 Prague 8, Czech Republic

[19] Univ Genoa, Dipartimento Fis, IT-16146 Genoa, Italy

[20] Ist Nazl Fis Nucl, IT-16146 Genoa, Italy

[21] Univ Grenoble 1, Inst Sci Nucl, IN2P3, CNRS, FR-38026 Grenoble, France

[22] Helsinki Inst Phys, FI-00014 Helsinki, Finland

[23] Dubna Joint Nucl Res Inst, RU-101000 Moscow, Russia

[24] Univ Karlsruhe, Inst Expt Kernphys, DE-76128 Karlsruhe, Germany

[25] Inst Nucl Phys, PL-30055 Krakow, Poland

[26] Univ Min & Met, PL-30055 Krakow, Poland

[27] Univ Paris 11, Lab Accelerateur Lineaire, IN2P3, CNRS, FR-91405 Orsay, France

[28] Univ Lancaster, Sch Phys & Chem, Lancaster LA1 4YB, England

[29] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England

[30] Univ Paris 06, LPNHE, IN2P3, CNRS, FR-75252 Paris 05, France

[31] Univ Paris 07, LPNHE, IN2P3, CNRS, FR-75252 Paris 05, France

[32] Univ Lund, Dept Phys, SE-22363 Lund, Sweden

[33] Univ Lyon 1, IPNL, IN2P3, CNRS, FR-69622 Villeurbanne, France

[34] Univ Aix Marseille 2, CPP, IN2P3, CNRS, FR-13288 Marseille 09, France

[35] Univ Milan, Dipartimento Fis, IT-20133 Milan, Italy

[36] Ist Nazl Fis Nucl, IT-20133 Milan, Italy

[37] Niels Bohr Inst, DK-2100 Copenhagen O, Denmark

[38] Charles Univ, Nucl Ctr MFF, Areal MFF, CZ-18000 Prague 8, Czech Republic

[39] NIKHEF H, NL-1009 DB Amsterdam, Netherlands

[40] Natl Tech Univ Athens, Dept Phys, GR-15773 Athens, Greece

[41] Univ Oslo, Dept Phys, NO-1000 Oslo 3, Norway

[42] Univ Oviedo, Dept Fis, ES-33007 Oviedo, Spain

[43] Univ Oxford, Dept Phys, Oxford OX1 3RH, England

[44] Univ Padua, Dipartimento Fis, IT-35131 Padua, Italy

[45] Ist Nazl Fis Nucl, IT-35131 Padua, Italy

[46] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[47] Univ Rome 2, Dipartimento Fis, IT-00173 Rome, Italy

[48] Ist Nazl Fis Nucl, IT-00173 Rome, Italy

[49] Univ Rome 2, Dipartimento Fis, IT-00146 Rome, Italy

[50] Ist Nazl Fis Nucl, IT-00146 Rome, Italy

来源：

PHYSICS LETTERS B | 1999年 / 449卷 / 3-4期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0370-2693(99)00105-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

DELPHI results are presented on the inclusive production of the neutral mesons rho(0), f(0)(980), f(2)(1270), K-2(*0)(1430) and f'(2)(1525) in hadronic Z(0) decays. They are based on about 2 million multihadronic events collected in 1994 and 1995, using the particle identification capabilities of the DELPHI Ring Imaging Cherenkov detectors and measured ionization losses in the Time Projection Chamber. The total production rates per hadronic Z(0) decay have been determined to be: 1.19 +/- 0.10 for rho(0); 0.164 +/- 0.021 for f(0)(980); 0.214 +/- 0.038 for f(2)(1270); 0.073 +/- 0.023 for K-2(*0)(1430); and 0.012 +/- 0.006 fur f'(2)(1525). The total production rates for all mesons and differential cross-sections for the rho(0), f(0)(980) and f(2)(1270) are compared with the results of other LEP experiments and with models, (C) 1999 Elsevier Science B.V, All rights reserved.

引用

页码：364 / 382

页数：19

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