Abstract
The production of charm quarks is studied in deep-inelastic electron-photon scattering using data recorded by the OPAL detector at LEP at nominal e+e- centre-of-mass energies from 183 to 209 GeV. The charm quarks have been identified by full reconstruction of charged D*mesons using their decays into D0π with the D0 observed in two decay modes with charged particle final states, Kπ and Kπππ. The cross-section σD* for production of charged D* in the reaction e+e- → e+e-D*X is measured in a restricted kinematical region using two bins in Bjorken x, 0.0014 < x < 0.1 and 0.1 < x < 0.87. From σD* the charm production cross-section a (e+e- → e+e-cc̄X) and the charm structure function of the photon F2,cγ are determined in the region 0.0014 < x < 0.87 and 5 < Q2 < 100 GeV2. For x > 0.1 the perturbative QCD calculation at next-to-leading order agrees perfectly with the measured cross-section. For x < 0.1 the measured cross-section is 43.8 ± 14.3 ± 6.3 ± 2.8 pb with a next-to-leading order prediction of 17.0-2.3+2.9 pb.
| Original language | English |
|---|---|
| Pages (from-to) | 13-24 |
| Number of pages | 12 |
| Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
| Volume | 539 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Jul 11 2002 |
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In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 539, No. 1-2, 11.07.2002, p. 13-24.
Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - Measurement of the charm structure function F2,cγ of the photon at LEP
AU - Abbiendi, G.
AU - Ainsley, C.
AU - Åkesson, P. F.
AU - Alexander, G.
AU - Allison, J.
AU - Amaral, P.
AU - Anagnostou, G.
AU - Anderson, K. J.
AU - Arcelli, S.
AU - Asai, S.
AU - Axen, D.
AU - Azuelos, G.
AU - Bailey, I.
AU - Barberio, E.
AU - Barlow, R. J.
AU - Batley, R. J.
AU - Bechtle, P.
AU - Behnke, T.
AU - Bell, K. W.
AU - Bell, P. J.
AU - Bella, G.
AU - Bellerive, A.
AU - Benelli, G.
AU - Bethke, S.
AU - Biebel, O.
AU - Bloodworth, I. J.
AU - Boeriu, O.
AU - Bock, P.
AU - Bonacorsi, D.
AU - Boutemeur, M.
AU - Braibant, S.
AU - Brigliadori, L.
AU - Brown, R. M.
AU - Buesser, K.
AU - Burckhart, H. J.
AU - Cammin, J.
AU - Campana, S.
AU - Carnegie, R. K.
AU - Caron, B.
AU - Carter, A. A.
AU - Carter, J. R.
AU - Chang, C. Y.
AU - Charlton, D. G.
AU - Cohen, I.
AU - Csilling, A.
AU - Cuffiani, M.
AU - Dado, S.
AU - Dallavalle, G. M.
AU - Dallison, S.
AU - de Roeck, A.
AU - de Wolf, E. A.
AU - Desch, K.
AU - Donkers, M.
AU - Dubbert, J.
AU - Duchovni, E.
AU - Duckeck, G.
AU - Duerdoth, I. P.
AU - Elfgren, E.
AU - Etzion, E.
AU - Fabbri, F.
AU - Feld, L.
AU - Ferrari, P.
AU - Fiedler, F.
AU - Fleck, I.
AU - Ford, M.
AU - Frey, A.
AU - Füirtjes, A.
AU - Gagnon, P.
AU - Gary, J. W.
AU - Gaycken, G.
AU - Geich-Gimbel, C.
AU - Giacomelli, G.
AU - Giacomelli, P.
AU - Giunta, M.
AU - Goldberg, J.
AU - Gross, E.
AU - Grunhaus, J.
AU - Gruwé, M.
AU - Günther, P. O.
AU - Gupta, A.
AU - Hajdu, C.
AU - Hamann, M.
AU - Hanson, G. G.
AU - Harder, K.
AU - Harel, A.
AU - Harin-Dirac, M.
AU - Hauschild, M.
AU - Hauschildt, J.
AU - Hawkes, C. M.
AU - Hawkings, R.
AU - Hemingway, R. J.
AU - Hensel, C.
AU - Herten, G.
AU - Heuer, R. D.
AU - Hill, J. C.
AU - Hoffman, K.
AU - Homer, R. J.
AU - Horváth, D.
AU - Howard, R.
AU - Hüntemeyer, P.
AU - Igo-Kemenes, P.
AU - Ishii, K.
AU - Jeremie, H.
AU - Jovanovic, P.
AU - Junk, T. R.
AU - Kanaya, N.
AU - Kanzaki, J.
AU - Karapetian, G.
AU - Karlen, D.
AU - Kartvelishvili, V.
AU - Kawagoe, K.
AU - Kawamoto, T.
AU - Keeler, R. K.
AU - Kellogg, R. G.
AU - Kennedy, B. W.
AU - Kim, D. H.
AU - Klein, K.
AU - Klier, A.
AU - Kluth, S.
AU - Kobayashi, T.
AU - Kobel, M.
AU - Kokott, T. P.
AU - Komamiya, S.
AU - Kormos, L.
AU - Kowalewski, R. V.
AU - Krämer, T.
AU - Kress, T.
AU - Krieger, P.
AU - von Krogh, J.
AU - Krop, D.
AU - Kupper, M.
AU - Kyberd, P.
AU - Lafferty, G. D.
AU - Landsman, H.
AU - Lanske, D.
AU - Layter, J. G.
AU - Leins, A.
AU - Lellouch, D.
AU - Letts, J.
AU - Levinson, L.
AU - Lillich, J.
AU - Lloyd, S. L.
AU - Loebinger, F. K.
AU - Lu, J.
AU - Ludwig, J.
AU - Macpherson, A.
AU - Mader, W.
AU - Marcellini, S.
AU - Marchant, T. E.
AU - Martin, A. J.
AU - Martin, J. P.
AU - Masetti, G.
AU - Mashimo, T.
AU - Mättig, P.
AU - McDonald, W. J.
AU - McKenna, J.
AU - McMahon, T. J.
AU - McPherson, R. A.
AU - Meijers, F.
AU - Mendez-Lorenzo, P.
AU - Menges, W.
AU - Merritt, F. S.
AU - Mes, H.
AU - Michelini, A.
AU - Mihara, S.
AU - Mikenberg, G.
AU - Miller, D. J.
AU - Moed, S.
AU - Mohr, W.
AU - Mori, T.
AU - Mutter, A.
AU - Nagai, K.
AU - Nakamura, I.
AU - Neal, H. A.
AU - Nisius, R.
AU - O'Neale, S. W.
AU - Oh, A.
AU - Okpara, A.
AU - Oreglia, M. J.
AU - Orito, S.
AU - Pahl, C.
AU - Pásztor, G.
AU - Pater, J. R.
AU - Patrick, G. N.
AU - Pilcher, J. E.
AU - Pinfold, J.
AU - Plane, D. E.
AU - Poli, B.
AU - Polok, J.
AU - Pooth, O.
AU - Przybycień, M.
AU - Quadt, A.
AU - Rabbertz, K.
AU - Rembser, C.
AU - Renkel, P.
AU - Rick, H.
AU - Roney, J. M.
AU - Rosati, S.
AU - Rozen, Y.
AU - Runge, K.
AU - Rust, D. R.
AU - Sachs, K.
AU - Saeki, T.
AU - Sahr, O.
AU - Sarkisyan, E. K.G.
AU - Schaile, A. D.
AU - Schaile, O.
AU - Scharff-Hansen, P.
AU - Schieck, J.
AU - Schoerner-Sadenius, T.
AU - Schröder, M.
AU - Schumacher, M.
AU - Schwick, C.
AU - Scott, W. G.
AU - Seuster, R.
AU - Shears, T. G.
AU - Shen, B. C.
AU - Shepherd-Themistocleous, C. H.
AU - Sherwood, P.
AU - Siroli, G.
AU - Skuja, A.
AU - Smith, A. M.
AU - Sobie, R.
AU - Söldner-Rembold, S.
AU - Spagnolo, S.
AU - Spano, F.
AU - Stahl, A.
AU - Stephens, K.
AU - Strom, D.
AU - Ströhmer, R.
AU - Tarem, S.
AU - Tasevsky, M.
AU - Taylor, R. J.
AU - Teuscher, R.
AU - Thomson, M. A.
AU - Torrence, E.
AU - Toya, D.
AU - Tran, P.
AU - Trefzger, T.
AU - Tricoli, A.
AU - Trigger, I.
AU - Trócsányi, Z.
AU - Tsur, E.
AU - Turner-Watson, M. F.
AU - Ueda, I.
AU - Ujvári, B.
AU - Vachon, B.
AU - Vollmer, C. F.
AU - Vannerem, P.
AU - Verzocchi, M.
AU - Voss, H.
AU - Vossebeld, J.
AU - Waller, D.
AU - Ward, C. P.
AU - Ward, D. R.
AU - Watkins, P. M.
AU - Watson, A. T.
AU - Watson, N. K.
AU - Wells, P. S.
AU - Wengler, T.
AU - Wermes, N.
AU - Wetterling, D.
AU - Wilson, G. W.
AU - Wilson, J. A.
AU - Wolf, G.
AU - Wyatt, T. R.
AU - Yamashita, S.
AU - Zacek, V.
AU - Zer-Zion, D.
AU - Zivkovic, L.
N1 - Funding Information: We particularly wish to thank the SL Division for the efficient operation of the LEP accelerator at all energies and for their close cooperation with our experimental group. In addition to the support staff at our own institutions we are pleased to acknowledge the Department of Energy, USA, National Science Foundation, USA, Particle Physics and Astronomy Research Council, UK, Natural Sciences and Engineering Research Council, Canada, Israel Science Foundation, administered by the Israel Academy of Science and Humanities, Benoziyo Center for High Energy Physics, Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT) and a grant under the MEXT International Science Research Program, Japanese Society for the Promotion of Science (JSPS), German–Israeli Bi-national Science Foundation (GIF), Bundesministerium für Bildung und Forschung, Germany, National Research Council of Canada, Hungarian Foundation for Scientific Research, OTKA T-029328, and T-038240, Fund for Scientific Research, Flanders, F.W.O.-Vlaanderen, Belgium.
PY - 2002/7/11
Y1 - 2002/7/11
N2 - The production of charm quarks is studied in deep-inelastic electron-photon scattering using data recorded by the OPAL detector at LEP at nominal e+e- centre-of-mass energies from 183 to 209 GeV. The charm quarks have been identified by full reconstruction of charged D*mesons using their decays into D0π with the D0 observed in two decay modes with charged particle final states, Kπ and Kπππ. The cross-section σD* for production of charged D* in the reaction e+e- → e+e-D*X is measured in a restricted kinematical region using two bins in Bjorken x, 0.0014 < x < 0.1 and 0.1 < x < 0.87. From σD* the charm production cross-section a (e+e- → e+e-cc̄X) and the charm structure function of the photon F2,cγ are determined in the region 0.0014 < x < 0.87 and 5 < Q2 < 100 GeV2. For x > 0.1 the perturbative QCD calculation at next-to-leading order agrees perfectly with the measured cross-section. For x < 0.1 the measured cross-section is 43.8 ± 14.3 ± 6.3 ± 2.8 pb with a next-to-leading order prediction of 17.0-2.3+2.9 pb.
AB - The production of charm quarks is studied in deep-inelastic electron-photon scattering using data recorded by the OPAL detector at LEP at nominal e+e- centre-of-mass energies from 183 to 209 GeV. The charm quarks have been identified by full reconstruction of charged D*mesons using their decays into D0π with the D0 observed in two decay modes with charged particle final states, Kπ and Kπππ. The cross-section σD* for production of charged D* in the reaction e+e- → e+e-D*X is measured in a restricted kinematical region using two bins in Bjorken x, 0.0014 < x < 0.1 and 0.1 < x < 0.87. From σD* the charm production cross-section a (e+e- → e+e-cc̄X) and the charm structure function of the photon F2,cγ are determined in the region 0.0014 < x < 0.87 and 5 < Q2 < 100 GeV2. For x > 0.1 the perturbative QCD calculation at next-to-leading order agrees perfectly with the measured cross-section. For x < 0.1 the measured cross-section is 43.8 ± 14.3 ± 6.3 ± 2.8 pb with a next-to-leading order prediction of 17.0-2.3+2.9 pb.
UR - http://www.scopus.com/inward/record.url?scp=0037063105&partnerID=8YFLogxK
U2 - 10.1016/S0370-2693(02)01999-8
DO - 10.1016/S0370-2693(02)01999-8
M3 - Article
AN - SCOPUS:0037063105
SN - 0370-2693
VL - 539
SP - 13
EP - 24
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
IS - 1-2
ER -