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Measurement of D Mesons Production in Deep Inelastic Scattering at HERA
Authors
S. Antonelli
P. Antonioli
+29 more
G. Bari
M. Basile
L. Bellagamba
M. Bindi
D. Boscherini
A. Bruni
G. Bruni
S. Chekanov
L. Cifarelli
F. Cindolo
A. Contin
M. Corradi
S. De Pasquale
M. Derrick
G. Iacobucci
M. Jechow
S. Magill
A. Margotti
Margarita C. K. Mattingly
B. Musgrave
R. Nania
D. Nicholass
N. Pavel
A. Polini
J. Repond
G. Sartorelli
A. G. Yag̈ues Molina
R. Yoshida
A. Zichichi
Publication date
1 July 2007
Publisher
Digital Commons @ Andrews University
Abstract
Charm production in deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 82 pb-1. Charm has been tagged by reconstructing D*+, D0, D+ and D+s (+ c.c.) charm mesons. The charm hadrons were measured in the kinematic range pT (D* +,D 0,D+) \u3e 3GeV, pT (D+s ) \u3e 2GeV and |η(D)| \u3c 1.6 for 1.5 \u3c Q2 \u3c 1000GeV2 and 0.02 \u3c y \u3c 0.7. The production cross sections were used to extract charm fragmentation ratios and the fraction of c quarks hadronising into a particular charm meson in the kinematic range considered. The cross sections were compared to the predictions of next-to-leading-order QCD, and extrapolated to the full kinematic region in pT (D) and η(D) in order to determine the open-charm contribution, Fcc2 (x,Q2), to the proton structure function F2. © SISSA 2007
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Last time updated on 10/03/2021