Charged and identified particles in the hadronic decay of W bosons and in e+e- → q(q)over-bar from 130 to 200 GeV

被引：0

作者：

Abreu, P

Adam, W

Adye, T

Adzic, P

Albrecht, Z

Alderweireld, T

Alekseev, GD

Alemany, R

Allmendinger, T

Allport, PP

Almehed, S

Amaldi, U

Amapane, N

Amato, S

Anassontzis, EG

Andersson, P

Andreazza, A

Andringa, S

Anjos, N

Antilogus, P

Apel, WD

Arnoud, Y

Åsman, B

Augustin, JE

Augustinus, A

Baillon, P

Ballestrero, A

Bambade, P

Barao, F

Barbiellini, G

Barbier, R

Bardin, DY

Barker, G

Baroncelli, A

Battaglia, M

Baubillier, M

Becks, KH

Begalli, M

Behrmann, A

Beilliere, P

Belokopytov, Y

Belous, K

Benekos, NC

Benvenuti, AC

Berat, C

Berggren, M

Bertrand, D

Besancon, M

Bigi, M

Bilenky, MS

机构：

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

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

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

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

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

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

[7] Univ Bergen, Dept Phys, N-5007 Bergen, Norway

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

[9] Ist Nazl Fis Nucl, I-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 Estado Rio De Janeiro, Inst Fis, Rio De Janeiro, Brazil

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

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

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

[16] Univ Strasbourg, CNRS, IN2P3, Inst Rech Subatom, F-67037 Strasbourg, France

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

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

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

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

[21] Univ Grenoble 1, Inst Sci Nucl, CNRS, IN2P3, F-38026 St Martin Dheres, France

[22] Helsinki Inst Phys, Helsinki 00014, Finland

[23] Joint Inst Nucl Res, Moscow 101000, Russia

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

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

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

[27] Univ Paris 11, Accelerateur Lineaire Lab, IN2P3, CNRS, F-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, CNRS, IN2P3, LPNHE, F-75252 Paris 05, France

[31] Univ Paris 07, F-75252 Paris 05, France

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

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

[34] Univ Aix Marseille 1, CPP, IN2P3, CNRS, F-13288 Marseille 09, France

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

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

[37] Univ Milan, Dipartimento Fis, Biocca, I-20126 Milan, Italy

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

[39] Charles Univ Prague, MFF, IPNP, Areal MFF, CR-18000 Prague 8, Czech Republic

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

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

[42] Univ Oslo, Dept Phys, N-1000 Oslo 3, Norway

[43] Univ Oviedo, Dept Fis, E-33007 Oviedo, Spain

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

[45] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy

[46] Ist Nazl Fis Nucl, I-35131 Padua, Italy

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

[48] Univ Roma Tor Vergata, Dipartimento Fis, I-00173 Rome, Italy

[49] Ist Nazl Fis Nucl, I-00173 Rome, Italy

[50] Univ Roma 3, Dipartimento Fis, I-00146 Rome, Italy

来源：

EUROPEAN PHYSICAL JOURNAL C | 2000年 / 18卷 / 02期

关键词：

D O I：

10.1007/s100520000528

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Inclusive distributions of charged particles in hadronic W decays are experimentally investigated using the statistics collected by the DELPHI experiment at LEP during 1997, 1998 and 1999, at centre-of-mass energies from 183 to around 200 GeV. The possible effects of interconnection between the hadronic decays of two Ws are not observed. Measurements of the average multiplicity for charged and identified particles in q (q) over bar and WW events at centre-of-mass energies from 130 to 200 GeV and in W decays are presented. The results on the average multiplicity of identified particles and on the position xi* of the maximum of the xi (p) = -log(2p/roots) distribution are compared with predictions of JETSET and MLLA calculations.

引用

页码：203 / 228

页数：26

共 50 条

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