Bose-Einstein correlations in W+W- events at LEP2

被引：9

作者：

Abdallah, J

Abreu, P

Adam, W

Adzic, P

Albrecht, Z

Alderweireld, T

Fernandez, RA

Allmendinger, T

Allport, P

Amaldi, U

Amapane, N

Amato, S

Anashkin, E

Andreazza, A

Andringa, S

Anjos, N

Antilogus, P

Apel, WD

Arnoud, Y

Ask, S

Asman, B

Augustin, E

Augustinus, A

Baillon, P

Ballestrero, A

Bambade, P

Barbier, R

Bardin, D

Barker, G

Baroncelli, A

Battaglia, M

Baubillier, M

Becks, KH

Begalli, M

Behrmann, A

Haim, EB

Benekos, N

Benvenuti, A

Berat, C

Berggren, M

Berntzon, L

Bertrand, D

Besancon, M

Besson, N

Bloch, D

Blom, M

Bluj, M

Bonesini, M

Boonekamp, M

Booth, L

机构：

[1] Univ Paris 06, LPNHE, CNRS, IN2P3, F-75252 Paris, France

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

[3] Univ 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] Coll France, Phys Corpusculaire Lab, CNRS, IN2P3, F-75231 Paris, France

[14] CERN, CH-1211 Geneva, Switzerland

[15] ULP, Inst Rech Subatom, CNRS, IN2P3, F-67037 Strasbourg, France

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

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

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

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

[20] Univ Grenoble 1, Inst Sci Nucl, CNRS, IN2P3, F-38026 Grenoble, France

[21] Univ Helsinki, Helsinki Inst Phys, FIN-00014 Helsinki, Finland

[22] Univ Helsinki, Dept Phys Sci, FIN-00014 Helsinki, 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] Stanislaw Staszic Univ Min & Met, Fac Phys & Nucl Tech, PL-30055 Krakow, Poland

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

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

[29] FCUL, IST, LIP, P-1000 Lisbon, Portugal

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

[31] Univ Glasgow, Dept Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland

[32] Univ Paris 07, LPNHE, CNRS, IN2P3, F-75252 Paris, France

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

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

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

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

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

[38] Ist Nazl Fis Nucl, I-20126 Milan, Italy

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

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

[41] Northwestern Univ, Evanston, IL 60208 USA

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

[43] Univ Oslo, Dept Phys, N-0316 Oslo, Norway

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

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

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

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

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

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

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

来源：

EUROPEAN PHYSICAL JOURNAL C | 2005年 / 44卷 / 02期

关键词：

D O I：

10.1140/epjc/s2005-02354-2

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：

Bose-Einstein correlations (BEC) between final state particles in the reaction e(+)e(-) -> W+ W- -> q(1)(q(2)) over barq(3)(q(4)over bar>) over bar) have been studied. Data corresponding to a total integrated luminosity of 550 pb(-1), recorded by the DELPHI detector at centre-of-mass energies ranging from 189 to 209 GeV, were analysed. An indication for inter-W BEC between like-sign particles has been found at the level of 2.4 standard deviations of the combined statistical and systematic uncertainties.

引用

页码：161 / 174

页数：14

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