Open charm meson production at LHC*

Open charm meson production at LHC*

We discuss charm production at the LHC. The production of single cc¯$car c$ pairs is calculated in the kt-factorization approach. We use Kimber-Martin-Ryskin unintegrated gluon distributions in the proton. The hadronization is included with the help of Peterson fragmentation functions. Transverse mo...

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Main Authors: Luszczak Marta, Maciula Rafal, Szczurek Antoni
Format: Article
Language:English
Published: EDP Sciences 2012-12-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20123706008
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spelling doaj-39da1da277534c409b6bbf5c5ab134c92021-08-02T02:04:23ZengEDP SciencesEPJ Web of Conferences2100-014X2012-12-01370600810.1051/epjconf/20123706008Open charm meson production at LHC*Luszczak MartaMaciula RafalSzczurek AntoniWe discuss charm production at the LHC. The production of single cc¯$car c$ pairs is calculated in the kt-factorization approach. We use Kimber-Martin-Ryskin unintegrated gluon distributions in the proton. The hadronization is included with the help of Peterson fragmentation functions. Transverse momentum and pseudorapidity distributions of charmed mesons are presented and compared to recent results of the ALICE, LHCb and ATLAS collaborations. Furthermore we discuss production of two pairs of cc¯ $car c$ within a simple formalism of double-parton scattering (DPS). Surprisingly large cross sections, comparable to single-parton scattering (SPS), are predicted for LHC energies. We discuss perspectives how to identify the double scattering contribution. We predict much larger cross section for large rapidity distance between charm quarks from different hard parton scatterings compared to single scattering. http://dx.doi.org/10.1051/epjconf/20123706008
collection DOAJ
language English
format Article
sources DOAJ
author Luszczak Marta
Maciula Rafal
Szczurek Antoni
spellingShingle Luszczak Marta
Maciula Rafal
Szczurek Antoni
Open charm meson production at LHC*
EPJ Web of Conferences
author_facet Luszczak Marta
Maciula Rafal
Szczurek Antoni
author_sort Luszczak Marta
title Open charm meson production at LHC*
title_short Open charm meson production at LHC*
title_full Open charm meson production at LHC*
title_fullStr Open charm meson production at LHC*
title_full_unstemmed Open charm meson production at LHC*
title_sort open charm meson production at lhc*
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2012-12-01
description We discuss charm production at the LHC. The production of single cc¯$car c$ pairs is calculated in the kt-factorization approach. We use Kimber-Martin-Ryskin unintegrated gluon distributions in the proton. The hadronization is included with the help of Peterson fragmentation functions. Transverse momentum and pseudorapidity distributions of charmed mesons are presented and compared to recent results of the ALICE, LHCb and ATLAS collaborations. Furthermore we discuss production of two pairs of cc¯ $car c$ within a simple formalism of double-parton scattering (DPS). Surprisingly large cross sections, comparable to single-parton scattering (SPS), are predicted for LHC energies. We discuss perspectives how to identify the double scattering contribution. We predict much larger cross section for large rapidity distance between charm quarks from different hard parton scatterings compared to single scattering.
url http://dx.doi.org/10.1051/epjconf/20123706008
work_keys_str_mv AT luszczakmarta opencharmmesonproductionatlhc
AT maciularafal opencharmmesonproductionatlhc
AT szczurekantoni opencharmmesonproductionatlhc
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