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The effect of gluon shadowing on charm quark production in large impact parameter ultrarelativistic heavy ion collisions is investigated. Charm production cross sections are calculated for a range of non-central impact parameters which can…

Nuclear Theory · Physics 2008-11-26 V. Emel'yanov , A. Khodinov , S. R. Klein , R. Vogt

Measurements of dilepton production from charm decay and Drell-Yan processes respectively probe the gluon and sea quark distributions in hadronic collisions. In nucleus-nucleus collisions, these hard scattering processes constitute a…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Gavin , P. L. McGaughey , P. V. Ruuskanen , R. Vogt

We investigate charm production in an equilibrated quark-gluon plasma produced in heavy-ion collisions at RHIC and LHC. Effective quark and gluon masses are introduced from thermal QCD calculations. Assuming a Bjorken-type longitudinal…

High Energy Physics - Phenomenology · Physics 2008-11-26 Peter Levai , Ramona Vogt

We discuss production of charmed mesons and J/Psi in p(d)A collisions at high energies. We argue that when the saturation scale Qs characterizing the parton density in a nucleus exceeds the quark mass m, the naive perturbation theory breaks…

High Energy Physics - Phenomenology · Physics 2009-01-07 Kirill Tuchin

Theoretical predictions of cross sections and properties of the $J/\psi$-meson production in association with an open charm hadron and formation of two open charm hadrons from two $c\bar{c}$ pairs in the LHC conditions are presented.…

High Energy Physics - Phenomenology · Physics 2015-06-04 A. V. Berezhnoy , A. K. Likhoded , A. V. Luchinsky , A. A. Novoselov

In this contribution, the latest results for measurements of charm baryons in proton--proton collisions at $\sqrt{s}=5.02$ and $13\,\mathrm{TeV}$ are presented. The production yields of $\Lambda_\mathrm{c}^{+}$, $\Xi_\mathrm{c}^{0,+}$,…

High Energy Physics - Experiment · Physics 2022-05-17 Jeremy Wilkinson

We discuss some new aspects of charm production trigerred by recent observations of the LHCb collaboration. The LHCb collaboration measured small asymmetries in production of $D^+ D^-$ mesons as well as $D_s^+ D_s^-$ mesons. Is this related…

High Energy Physics - Phenomenology · Physics 2019-05-22 Antoni Szczurek

In this work, we study the possibility to find $N^*_{c\bar{c}}$ and $\Lambda^*_{c\bar{c}}$ resonances with hidden charm with mass above 4 GeV in the photon-induced production. The cross sections for the photoproductions of hidden charmed…

Nuclear Theory · Physics 2015-06-16 Yin Huang , Jun He , Hong-Fei Zhang , Xu-Rong Chen

The high-energy atmospheric neutrino flux is dominated by neutrinos from the decays of charmed hadrons produced in the forward direction by cosmic ray interactions with air nuclei. We evaluate the charm contributions to the prompt…

High Energy Physics - Phenomenology · Physics 2024-04-12 Weidong Bai , Milind Diwan , Maria Vittoria Garzelli , Yu Seon Jeong , Karan Kumar , Mary Hall Reno

Charm quarks are expected to be produced mainly by the photon-gluon fusion mechanism in photon-Nucleon interactions. However, a small part of the total charm cross section originates in similar processes to those appearing in charm…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Cuautle , G. Herrera , J. Magnin , A. Sanchez-Hernandez

We study the charmed baryon production reaction ${\bar p} p \to {\bar \Lambda}_c^- \Lambda_c^+$ using the $t$-channel $D^0$ and $D^{*0}$ meson exchange diagrams within an effective Lagrangian model involving the physical hadron masses and…

High Energy Physics - Phenomenology · Physics 2014-07-15 R. Shyam , H. Lenske

In this contribution, the nuclear modification factor and azimuthal anisotropy of prompt charm mesons and baryons in Pb-Pb collisions at $\sqrt{s_\mathrm{NN}}=5.02$ TeV by the ALICE Collaboration are presented. Heavy quarks are a very…

Nuclear Experiment · Physics 2022-07-29 Luuk Vermunt

Charm and beauty quark production measurement represents a fundamental means to access the initial stage of hadronic collisions. Being produced almost exclusively in initial hard partonic scatterings due to their large masses,…

Nuclear Experiment · Physics 2022-10-20 Michele Pennisi

The $p_{\rm T}$-differential inclusive production cross sections of the prompt charmed mesons $D^0$, $D^+$, and $D^{*+}$ in the rapidity range |y|<0.5 were measured in proton-proton collisions at $\sqrt{s} = 7$ TeV at the LHC using the…

High Energy Physics - Experiment · Physics 2017-09-28 ALICE Collaboration

The dependence of the production of the $X(3872)$ meson on the hadron multiplicity in $pp$ collisions has been used as evidence against $X$ being a charm-meson molecule. The argument is based in part on the incorrect assumption that the…

High Energy Physics - Phenomenology · Physics 2021-04-21 Eric Braaten , Li-Ping He , Kevin Ingles , Jun Jiang

A resently developed generalization of the Quark--Gluon String Model to the case of bosonic resonances production in hadron--hadron collisions is used for the calculation of inclusive production of charmed mesons $D$, $D^*(2010)$ and…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. H. Arakelyan , C. Pajares , Yu. M. Shabelski

We discuss the production of charmonium and open charm in nuclear collisions at SPS/FAIR energies within the framework of the statistical hadronization model. The increasing importance at lower energies of Lambda_c production is discussed…

Nuclear Theory · Physics 2008-11-26 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

Dimuon production in neutrino-nucleus collisions, an important constraint of strangeness in global parton distribution function analyses, is typically calculated by assuming it to be proportional to inclusive charm production. This approach…

High Energy Physics - Phenomenology · Physics 2025-11-04 Ilkka Helenius , Hannu Paukkunen , Sami Yrjänheikki

The production of $D^{*\pm}$, $D^\pm$ and $D_s^\pm$ charmed mesons has been measured with the ATLAS detector in $pp$ collisions at $\sqrt{s}=7$ TeV at the LHC, using data corresponding to an integrated luminosity of $280\,$nb$^{-1}$. The…

High Energy Physics - Experiment · Physics 2016-06-13 ATLAS Collaboration
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