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Related papers: Charm Production in ep-Collisions

200 papers

The cross section of the $D^*$-meson diffractive photoproduction at the HERA collider has been calculated in the framework of perturbatively motivated model for the different kinematic regions. The camparison between the different Pomeron…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. V. Berezhnoy , V. V. Kiselev , I. A. Korzhavina , A. K. Likhoded

Measurements of open charm hadro-production from CERN and Fermilab experiments are reviewed, with particular emphasis on the absolute cross sections and on their A and sqrt(s) dependences. Differential pt and xf cross sections calculated…

Nuclear Experiment · Physics 2015-06-26 P. Braun-Munzinger , D. Miskowiec , A. Drees , C. Lourenco

In this presentation, I discussed a) the charm total cross-section and its comparisons to measurements at other beam energies and pQCD calculations; b) the semileptonic decay of charmed hadrons and the sensitivity of non-photonic leptons to…

Nuclear Experiment · Physics 2011-07-19 Zhangbu Xu

We discuss production of open charm mesons in proton-proton collisions at the LHC. The cross section for inclusive production of $c \bar c$ pairs is calculated within the $k_{\perp}$-factorization approach in which a major part of…

High Energy Physics - Phenomenology · Physics 2015-06-19 Rafal Maciula , Andreas van Hameren , Antoni Szczurek

We investigate the production of a quark-antiquark pair in diffractive photon- proton scattering, approximating soft pomeron exchange by the exchange of two nonperturbative gluons. In deep inelastic scattering at HERA, events with two jets…

High Energy Physics - Phenomenology · Physics 2011-07-19 M. Diehl

A next-to-leading order Monte Carlo program for the calculation of heavy quark cross sections in deeply inelastic scattering is described. Concentrating on charm quark and D^*(2010) production at HERA, several distributions are presented…

High Energy Physics - Phenomenology · Physics 2009-10-30 B. W. Harris , J. Smith

We review recent results from the H1 and ZEUS experiments at HERA on charm and beauty production in ep collisions at 300 - 318 GeV centre-of-mass energy.

High Energy Physics - Experiment · Physics 2007-05-23 Felix Sefkow

Studies of open-charm hadron production in pp and \pPb collisions are performed by the ALICE Collaboration at the LHC to investigate charm-quark hadronization mechanisms. Recent measurements of charm meson (${\rm D^0}$, ${\rm D^+}$, ${\rm…

Nuclear Experiment · Physics 2022-07-18 Annalena Sophie Kalteyer

This is an addendum to the article [arXiv:2005.11995] "Dielectron production in proton-proton and proton-lead collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV" published in Phys. Rev. C 102 no. 5, (2020) 055204. We update the extracted…

Nuclear Experiment · Physics 2024-09-19 ALICE Collaboration

Charm quark production and its hadronization in ep and eA collisions at the future Electron-Ion Collider in China (EicC) will help us understand the quark/gluon fragmentation processes and the hadronization mechanisms in the nuclear medium,…

Nuclear Experiment · Physics 2023-10-19 Senjie Zhu , Xiao Huang , Lei Xia , Aiqiang Guo , Yutie Liang , Yifei Zhang , Yuxiang Zhao

The production of charm quarks is studied in deep-inelastic electron-photon scattering using data recorded by the OPAL detector at LEP at normal e+e- centre-of-mass energies from 183 to 209 GeV. The charm quarks have been identified by full…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL collaboration , G. Abbiendi

We study all the possible spin asymmetries that can arise in back-to-back electron-jet production, $ep\rightarrow e+\text{jet}+X$, as well as the associated jet fragmentation process, $ep\rightarrow e+ \text{jet} (h)+X$, in electron-proton…

High Energy Physics - Phenomenology · Physics 2021-11-24 Zhong-Bo Kang , Kyle Lee , Ding Yu Shao , Fanyi Zhao

The inclusive production of D*(2010) mesons in deep-inelastic ep scattering is measured in the kinematic region of photon virtuality 100 < Q^2 < 1000 GeV^2 and inelasticity 0.02 < y < 0.7. Single and double differential cross sections for…

High Energy Physics - Experiment · Physics 2012-08-27 The H1 Collaboration

The prospects to test the hypothesis of intrinsic charm quarks in the proton are investigated. We consider how this component can be directly or indirectly probed in deep inelastic scattering at HERA and in fixed target experiments and find…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Ingelman , M. Thunman

This paper presents measurements of D^{*\pm} production in deep inelastic scattering from collisions between 27.5 GeV positrons and 820 GeV protons. The data have been taken with the ZEUS detector at HERA. The decay channel $D^{*+}\to (D^0…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

Recent measurements of charm-baryon production in proton-proton collisions at the LHC have found a surprisingly large yield relative to those of $D$-mesons. We propose that this observation can be explained by the statistical hadronization…

Nuclear Theory · Physics 2019-07-24 Min He , Ralf Rapp

A selection of recent results on heavy quark production at the HERA collider by the H1 and ZEUS collaborations are presented with a focus on charmonium production in DIS, charm fragmentation and beauty production.

High Energy Physics - Experiment · Physics 2019-08-14 I. Katkov

Recent measurements of inclusive and semi-inclusive deep inelastic scattering in electron-proton collisions at HERA are reviewed. These measurements are used to determine the parton distribution functions (PDFs) of the proton, a necessary…

High Energy Physics - Experiment · Physics 2019-08-14 K. Lipka

Deep-inelastic production of heavy quarks at HERA, especially charm, is an excellent signal to measure the gluon distribution in the proton at small $x$ values. By measuring various differential distributions of the heavy quarks this…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Laenen , M. Buza , B. W. Harris , Y. Matiounine , R. Migneron , S. Riemersma , J. Smith , W. L. van Neerven

We present new sets of fragmentation functions for charged pions and kaons, both at leading and next-to-leading order. They are fitted to data on inclusive charged-hadron production in $e^+e^-$ annihilation taken by TPC at PEP ($\sqrt…

High Energy Physics - Phenomenology · Physics 2010-11-01 J. Binnewies , B. A. Kniehl , G. Kramer