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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/44559

Title: Measurement of D-*+/-, D-+/- and D-S(+/-) meson production cross sections in pp collisions at root s=7 TeV with the ATLAS detector
Authors: Aad, G.
Aguilar-Saavedra, Juan Antonio
Atlas Collaboration
Issue Date: 2016
Abstract: The production of D*(+/-), D-+/- and D-S(+/-) charmed mesons has been measured with the ATLAS detector in pp collisions at,/7s = 7 TeV at the LHC, using data corresponding to an integrated luminosity of 280 nb(-)1(.) The charmed mesons have been reconstructed in the range of transverse momentum 3.5 < p(T)(D) < 100 GeV and pseudorapidity vertical bar eta(D)vertical bar < 2.1. The differential cross sections as a function of transverse momentum and pseudorapidity were measured for D*(+/-) and D-+/- production. The next-to-leading-order QCD predictions are consistent with the data in the visible kinematic region within the large theoretical uncertainties. Using the visible D cross sections and an extrapolation to the full kinematic phase space, the strangeness -suppression factor in charm fragmentation, the fraction of charged non -strange D mesons produced in a vector state, and the total cross section of charm production at root s = 7 TeV were derived.
Sponsorship: Open Access funded by SCOAP³ - Sponsoring Consortium for Open Access Publishing in Particle Physics
Publisher: Elsevier
Keywords: Quark fragmentation function
Deep inelastic scattering
Hadron production
Hadron Collisions
JET fragmentation
URI: http://hdl.handle.net/10481/44559
ISSN: 0550-3213
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Atlas Collaboration. Measurement of D-*+/-, D-+/- and D-S(+/-) meson production cross sections in pp collisions at root s=7 TeV with the ATLAS detector. Nuclear Physics B, 907: 717-763 (2016). [http://hdl.handle.net/10481/44559]
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