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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents



ID: 543163.0, MPI für Physik / MPI für Physik
Measurement of D+- and D0 production in deep inelastic scattering using a lifetime tag at HERA
Authors:ZEUS Collaboration; Chekanov, S.
Date of Publication (YYYY-MM-DD):2009
Title of Journal:European Physical Journal C
Journal Abbrev.:Eur.Phys.J.C
Issue / Number:63
Start Page:171
End Page:188
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:The production of D+- and D0 mesons has been measured with the ZEUS detector at HERA using an integrated luminosity of 133.6 pb-1. The measurements cover the kinematic range 5 < Q^2 < 1000 GeV^2, 0.02 < y < 0.7, 1.5 < p_T^D < 15 GeV and eta^D < 1.6. Combinatorial background to the D meson signals is reduced by using the ZEUS microvertex detector to reconstruct displaced secondary vertices. Production cross sections are compared with the predictions of next-to-leading-order QCD which is found to describe the data well. Measurements are extrapolated to the full kinematic phase space in order to obtain the open-charm contribution, F2^ccbar, to the proton structure function, F2.
Classification / Thesaurus:ZEUS
Comment of the Author/Creator:29 pages, 9 figures, 5 tables, submitted to JHEP
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2008-255
URL:http://www.slac.stanford.edu/spires/find/hep/www?r...
URL:http://arXiv.org/abs/arxiv:0812.3775
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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