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001     293992
005     20211110133258.0
024 7 _ |a 10.3204/DESY-PROC-2012-02/213
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024 7 _ |a arXiv:1206.0274
|2 arXiv
024 7 _ |a inspire:1116899
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037 _ _ |a PUBDB-2016-00925
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088 1 _ |a arXiv:1206.0274
088 _ _ |a arXiv:1206.0274
|2 arXiv
100 1 _ |a Szczurek, Antoni
|0 P:(DE-HGF)0
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111 2 _ |a 20th International Workshop on Deep-Inelastic Scattering and Related Subjects
|g DIS 2012
|c Bonn
|d 2012-03-26 - 2012-03-30
|w Germany
|0 C12-03-26.1
|2 inspire
245 _ _ |a Production of $c \bar c$ pairs at LHC: $k_t$-factorization and double-parton scattering
260 _ _ |a Hamburg
|c 2012
|b Deutsches Elektronen-Synchrotron, DESY
300 _ _ |a 809-814
336 7 _ |a Conference Paper
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336 7 _ |a Internal Report
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336 7 _ |a INPROCEEDINGS
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520 _ _ |a We discuss charm production at LHC. The production of single $c \bar c$ pairs is calculated in the $k_t$-factorization approach. We use several unintegrated gluon distributions from the literature. Differential distributions for several charmed mesons are presented and compared to recent results of the ALICE and LHCb collaborations. Some missing strength can be observed. Furthermore we discuss production of two $c \bar c$ pairs within a simple formalism of double-parton scattering (DPS). Surprisingly large cross sections, comparable to single-parton scattering (SPS) contribution to $c \bar c$ production, are predicted for LHC energies.
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650 _ 7 |a transverse momentum: factorization
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650 _ 7 |a charm: production
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650 _ 7 |a CERN LHC Coll
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650 _ 7 |a scattering
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650 _ 7 |a charmed meson
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650 _ 7 |a CERN SPS
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650 _ 7 |a ALICE
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650 _ 7 |a LHC-B
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650 _ 7 |a gluon
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693 _ _ |a HERA
|e Facility (machine) HERA
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773 _ _ |a 10.3204/DESY-PROC-2012-02/213
787 0 _ |a Brock, Ian
|d Hamburg : Deutsches Elektronen-Synchrotron, DESY, Hamburg, 2013
|i IsPartOf
|0 PUBDB-2016-00663
|r DESY-PROC-2012-02
|t Proceedings, 20th International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS 2012)
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