Inclusive production of charged hadrons in photon-photon collisions

被引：8

作者：

Abbiendi, G.

Ainsley, C.

Akesson, P. F.

Alexander, G.

Anagnostou, G.

Anderson, K. J.

Asai, S.

Axen, D.

Bailey, I.

Barberio, E.

Barillari, T.

Barlow, R. J.

Batley, R. J.

Bechtle, P.

Behnke, T.

Bell, K. W.

Bell, P. J.

Bella, G.

Bellerive, A.

Benelli, G.

Bethke, S.

Biebel, O.

Boeriu, O.

Bock, P.

Boutemeur, M.

Braibant, S.

Brown, R. M.

Burckhart, H. J.

Campana, S.

Capiluppi, P.

Carnegie, R. K.

Carter, A. A.

Carter, J. R.

Chang, C. Y.

Charlton, D. G.

Ciocca, C.

Csilling, A.

Cuffiani, M.

Dado, S.

De Roeck, A.

De Wolf, E. A.

Desch, K.

Dienes, B.

Dubbert, J.

Duchovni, E.

Duckeck, G.

Duerdoth, I. P.

Etzion, E.

Fabbri, F.

Ferrari, P.

机构：

[1] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[2] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England

[3] Univ Bologna, Dipartmento Fis, I-40126 Bologna, Italy

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

[5] Univ Bonn, Inst Phys, D-53115 Bonn, Germany

[6] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA

[7] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[8] Carleton Univ, Dept Phys, Ottawa Carleton Inst Phys, Ottawa, ON K1S 5B6, Canada

[9] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[10] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[11] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany

[12] Univ Heidelberg, Inst Phys, D-69120 Heidelberg, Germany

[13] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[14] Univ London Queen Mary & Westfield Coll, London E1 4NS, England

[15] Inst Phys 3, Tech Hsch Aachen, D-52056 Aachen, Germany

[16] UCL, London WC1E 6BT, England

[17] Univ Manchester, Schuster Lab, Dept Phys, Manchester M13 9PL, Lancs, England

[18] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[19] Univ Montreal, Phys Nucl Lab, Montreal, PQ H3C 3J7, Canada

[20] Univ Oregon, Dept Phys, Eugene, OR 97403 USA

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

[22] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[23] Tel Aviv Univ, Dept Phys & Astron, IL-69978 Tel Aviv, Israel

[24] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo 1130033, Japan

[25] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[26] Kobe Univ, Kobe, Hyogo 6578501, Japan

[27] Weizmann Inst Sci, Particle Phys Dept, IL-76100 Rehovot, Israel

[28] Univ Hamburg, DESY, Inst Experimentalphys, D-22607 Hamburg, Germany

[29] Univ British Columbia, Dept Phys, Vancouver, BC V6T 1Z1, Canada

[30] Univ Alberta, Dept Phys, Edmonton, AB T6G 2J1, Canada

[31] Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary

[32] Inst Nucl Res, H-4001 Debrecen, Hungary

[33] Univ Munich, Sekt Phys, D-85748 Garching, Germany

[34] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[35] Yale Univ, Dept Phys, New Haven, CT 06520 USA

[36] Univ Antwerp, Antwerp, Belgium

来源：

PHYSICS LETTERS B | 2007年 / 651卷 / 2-3期

基金：

日本学术振兴会; 以色列科学基金会; 美国国家科学基金会;

关键词：

D O I：

10.1016/j.physletb.2007.06.001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The inclusive production of charged hadrons in the collisions of quasi-real photons (e(+)e(-) -> e(+)e(-) + X) has been measured using the OPAL detector at LEP. The data were taken at e+e- centre-of-mass energies from 183 to 209 GeV. The differential cross-sections as a function of the transverse momentum and the pseudorapidity of the hadrons are compared to theoretical calculations of up to next-to-leading order (NLO) in the strong coupling constant alpha(s), The data are also compared to a measurement by the L3 Collaboration, in which a large deviation from the NLO predictions is observed. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：92 / 101

页数：10

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