Inclusive jet production in two-photon collisions at LEP

被引：14

作者：

Achard, P ^{[1
]}

Adriani, O

Aguilar-Benitez, M

Alcaraz, J

Alemanni, G

Allaby, J

Aloisio, A

Alviggi, MG

Anderhub, H

Andreev, VP

Anselmo, F

Arefiev, A

Azemoon, T

Aziz, T

Bagnaia, P

Bajo, A

Baksay, G

Baksay, L

Baldew, SV

Banerjee, S

Barczyk, A

Barillère, R

Bartalini, P

Basile, M

Batalova, N

Battiston, R

Bay, A

Becattini, F

Becker, U

Behner, F

Bellucci, L

Berbeco, R

Berdugo, J

Berges, P

Bertucci, B

Betev, BL

Biasini, M

Biglietti, M

Biland, A

Blaising, JJ

Blyth, SC

Bobbink, GJ

Böhm, A

Boldizsar, L

Borgia, B

Bottai, S

Bourilkov, D

Bourquin, M

Braccini, S

机构：

[1] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany

[2] Univ Amsterdam, NL-1009 DB Amsterdam, Netherlands

[3] NIKHEF, Natl Inst High Energy Phys, NL-1009 DB Amsterdam, Netherlands

[4] Univ Michigan, Ann Arbor, MI 48109 USA

[5] Lab Annecy Le Vieux Phys Particules, LAPP, CNRS, IN2P3, F-74941 Annecy Le Vieux, France

[6] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland

[7] Louisiana State Univ, Baton Rouge, LA 70803 USA

[8] Inst High Energy Phys, Beijing 100039, Peoples R China

[9] Univ Bologna, I-40126 Bologna, Italy

[10] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy

[11] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India

[12] Northeastern Univ, Boston, MA 02115 USA

[13] Inst Atom Phys, R-76900 Bucharest, Romania

[14] Univ Bucharest, R-76900 Bucharest, Romania

[15] Hungarian Acad Sci, Cent Res Inst Phys, H-1525 Budapest, Hungary

[16] MIT, Cambridge, MA 02139 USA

[17] Panjab Univ, Chandigarh 160014, India

[18] Univ Debrecen, ATOMKI, H-4010 Debrecen, Hungary

[19] Univ Coll Dublin, Dept Expt Phys, Dublin 4, Ireland

[20] Univ Florence, I-50125 Florence, Italy

[21] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy

[22] CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland

[23] World Lab, FBLJA Project, CH-1211 Geneva 23, Switzerland

[24] Univ Geneva, CH-1211 Geneva 4, Switzerland

[25] Univ Sci & Technol China, Hefei 230029, Anhui, Peoples R China

[26] Univ Lausanne, CH-1015 Lausanne, Switzerland

[27] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France

[28] CIEMAT, E-28040 Madrid, Spain

[29] Florida Inst Technol, Melbourne, FL 32901 USA

[30] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy

[31] ITEP, Moscow, Russia

[32] Univ Naples Federico II, I-80125 Naples, Italy

[33] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy

[34] Univ Cyprus, Dept Phys, Nicosia, Cyprus

[35] Catholic Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands

[36] Natl Inst Nucl Phys & High Energy Phys, NL-6525 ED Nijmegen, Netherlands

[37] CALTECH, Pasadena, CA 91125 USA

[38] Univ Perugia, I-06100 Perugia, Italy

[39] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy

[40] Inst Phys Nucl, St Petersburg, Russia

[41] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[42] Univ Potenza, I-85100 Potenza, Italy

[43] Ist Nazl Fis Nucl, Sez Napoli, I-85100 Potenza, Italy

[44] Princeton Univ, Princeton, NJ 08544 USA

[45] Univ Calif Riverside, Riverside, CA 92521 USA

[46] Univ Roma La Sapienza, I-00185 Rome, Italy

[47] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[48] Univ Salerno, I-84100 Salerno, Italy

[49] Ist Nazl Fis Nucl, I-84100 Salerno, Italy

[50] Univ Calif San Diego, La Jolla, CA 92093 USA

来源：

PHYSICS LETTERS B | 2004年 / 602卷 / 3-4期

关键词：

D O I：

10.1016/j.physletb.2004.10.003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Inclusive jet production, e+e(-) --> e(+)e(-) jet X, is studied using 560 pb(-1) of data collected at LEP with the L3 detector at centre-of-mass energies between 189 and 209 GeV. The inclusive differential cross section is measured using a k(1), jet algorithm as a function of the jet transverse momentum, p(t), in the range 3 < p(t) < 50 GeV for a pseudorapidity, eta, in the range -1 < eta < 1. This cross section is well represented by a power law. For high p(t), the measured cross section is significantly higher than the NLO QCD predictions, as already observed for inclusive pi(+/-) and pi(0) production. (C) 2004 Published by Elsevier B.V.

引用

页码：157 / 166

页数：10

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