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Publication Detail
D* production in deep inelastic scattering at HERA
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Publication Type:Journal article
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Publication Sub Type:Journal Article
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Authors:Breitweg J, Derrick M, Krakauer D, Magill S, Mikunas D, Musgrave B, Repond J, Stanek R, Talaga RL, Yoshida R, Zhang H, Mattingly MCK, Anselmo F, Antonioli R, Bari G, Basile M, Bellagamba L, Boscherini D, Bruni A, Bruni G, Cara Romeo G, Castellini G, Cifarelli L, Cindolo F, Contin A, Corradi M, de Pasquale S, Gialas I, Giusti P, Iacobucci G, Laurenti G, Levi G, Margotti A, Massam T, Nania R, Palmonari F, Pesci A, Polini A, Sartorelli G, Zamora Garcia Y, Zichichi A, Amelung C, Bornheim A, Brock I, Coböken K, Crittenden J, Deffner R, Eckert M, Feld L, Grothe M, Hartmann H, Heinloth K, Heinz L, Hilger E, Jakob HP, Katz UF, Paul E, Pfeiffer M, Rembser C, Stamm J, Wedemeyer R, Bailey DS, Campbell-Robson S, Cottingham WN, Foster B, Hall-Wilton R, Hayes ME, Heath GP, Heath HF, Piccioni D, Roff DG, Tapper RJ, Arneodo M, Ayad R, Capua M, Garfagnini A, Iannotti L, Schioppa M, Susinno G, Kim JY, Lee JH, Lim IT, Pac MY, Caldwell A, Cartiglia N, Jing Z, Liu W, Parsons JA, Ritz S, Sampson S, Sciulli F, Straub PB, Zhu Q, Borzemski P, Chwastowski J, Eskreys A, Jakubowski Z, Przybycień MB, Zachara M, Zawiejski L
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Publication date:04/09/1997
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Pagination:402, 418
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Journal:Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
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Volume:407
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Issue:3-4
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Status:Published
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Print ISSN:0370-2693
Abstract
This paper presents measurements of D*f± production in deep inelastic scattering from collisions between 27.5GeV positrons and 820GeV protons. The data have been taken with the ZEUS detector at HERA. The decay channel D*+ → (D0 → K-π+)π+ (+c.c.) has been used in the study. The e+p cross section for inclusive D*± production with 5 < Q2 < 100GeV2 and y < 0.7 is 5.3±1.0±0.8nb in the kinematic region 1.3 < pT(D*±) < 9.0GeV and |η(D*±) | < 1.5. Differential cross sections as functions of pT(D*±), η(D*±), W and Q2 are compared with next-to-leading order QCD calculations based on the photon-gluon fusion production mechanism. After an extrapolation of the cross section to the full kinematic region in pT(D*±) and η(D*±), the charm contribution Fcc̄2(x,Q2) to the proton structure function is determined for Bjorken x between 2 · 10-4 and 5 · 10-3. © 1997 Elsevier Science B.V.
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