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https://hdl.handle.net/10316/108729
Title: | Measurement of D⁎±, D± and Ds ± meson production cross sections in pp collisions at √s=7 TeV with the ATLAS detector | Authors: | Santos, S. P. Amor dos Carvalho, J. Fiolhais, M. C. N. Galhardo, B. Veloso, F. Wolters, H. ATLAS Collaboration |
Issue Date: | 2016 | Publisher: | Elsevier | Serial title, monograph or event: | Nuclear Physics B | Volume: | 907 | Abstract: | The production of D⁎±, D± and Ds ± charmed mesons has been measured with the ATLAS detector in pp collisions at s=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<pT(D)<100 GeV and pseudorapidity |η(D)|<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 s=7 TeV were derived | URI: | https://hdl.handle.net/10316/108729 | DOI: | 10.1016/j.nuclphysb.2016.04.032 | Rights: | openAccess |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
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Measurement of D⁎±, D± and Ds ± meson production cross sections in pp collisions at √s=7 TeV with the ATLAS detector.pdf | 1.59 MB | Adobe PDF | View/Open |
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