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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

Heavy-flavor particles are believed to provide valuable probes of the medium produced in ultrarelativistic collisions of heavy nuclei. In this article we review recent progress in our understanding of the interactions of charm and bottom…

High Energy Physics - Phenomenology · Physics 2016-12-21 Ralf Rapp , Hendrik van Hees

Studying heavy-flavour mesons and baryons in hadronic collisions provides unique insights into the properties of heavy-quark hadronisation amid large partonic densities, where novel mechanisms beyond in-vacuum fragmentation may emerge.…

Nuclear Experiment · Physics 2024-07-19 Jonghan Park

Heavy quarks are effective probes of the hot and dense nuclear matter, the quark-gluon plasma, produced in ultra-relativistic heavy-ion collisions. Due to the short time scale characterising their production, heavy quarks experience the…

Nuclear Experiment · Physics 2020-12-07 Fabio Catalano

This talk serves as an introduction to the Heavy-Flavor session of the XXXIII International Symposium on Multiparticle Dynamics. A major focus of this session is on the production of heavy quarks. The talks which follow review the latest…

High Energy Physics - Experiment · Physics 2008-11-26 Jeffrey A. Appel

New results on charm quark production at HERA in an increased phase space in deep-inelastic scattering and photoproduction are discussed. Single & double-differential cross section distributions are compared to next-to-leading order QCD…

High Energy Physics - Experiment · Physics 2011-04-28 Andreas Werner Jung

An overview of recent measurements of charm and beauty production in ep collisions at HERA is presented. Various techniques are used by the ZEUS and H1 collaborations to efficiently tag heavy quarks in events and different regions of phase…

High Energy Physics - Experiment · Physics 2009-06-17 S. K. Boutle

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

Lattice Quantum Chromodynamics (QCD) calculation predicts that a colour-deconfined QCD matter, Quark-Gluon Plasma (QGP), is formed at high temperature and energy density reached in ultra-relativistic heavy-ion collisions. Heavy quarks…

High Energy Physics - Experiment · Physics 2020-01-08 Daichi Kawana

Heavy quarks (charm and beauty) are produced early in the nucleus-nucleus collisions, and heavy flavor survives throughout the later stages. Measurements of heavy-flavor quarks thus provide us with means to understand the properties of the…

Nuclear Experiment · Physics 2019-05-28 Robert Vertesi

The process of charm quark fragmentation is studied using $D^{*\pm}$ meson production in deep-inelastic scattering as measured by the H1 detector at HERA. Two different regions of phase space are investigated defined by the presence or…

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

Leading charm production in reaction $\pi^- N \rightarrow DX$ is discussed.Three experiments at Fermilab and CERN have measured a rather large enhancement in production rate of leading $D^-$-mesons over nonleading $D^+$.A good description…

High Energy Physics - Phenomenology · Physics 2009-10-28 O. I. Piskounova

Various aspects of heavy flavor production in heavy ion collisions in the context of elementary collisions are reviewed. The interplay between theory in experiment in $\epem$ and $\pbarp$ data is been found to be non-trivial, even with new…

Nuclear Experiment · Physics 2009-11-10 Peter Steinberg

The peculiar role of heavy-flavour observables in relativistic heavy-ion collisions is discussed. Produced in the early stage, $c$ and $b$ quarks cross the hot medium arising from the collision, interacting strongly with the latter, until…

High Energy Physics - Phenomenology · Physics 2016-10-27 Andrea Beraudo

Heavy quarks are produced early in the relativistic heavy ion collisions, and provide an excellent probe into the hot and dense nuclear matter created at RHIC. In these proceedings, we will discuss recent STAR measurements of heavy flavor…

Nuclear Experiment · Physics 2015-06-03 Gang Wang

During the last year many important results have been achieved in heavy flavour physics: New measurements of charm and beauty production have been performed at HERA and the Tevatron. A wealth of new spectroscopy data with several new,…

High Energy Physics - Phenomenology · Physics 2007-07-27 Michael Klasen , Benno List , Stephanie Hansmann-Menzemer , Rainer Mankel

Charm asymmetries in fixed-target hadroproduction experiments are sensitive to power corrections to the QCD factorization theorem for heavy quark production. A power correction called heavy-quark recombination has recently been proposed to…

High Energy Physics - Phenomenology · Physics 2009-11-10 Thomas Mehen

We study the production of charmed hadrons $D^{0}$ and $\Lambda_c^+$ in relativistic heavy-ion collisions using an improved quark coalescence model. In particular, we extend the usual coalescence model by letting a produced hadron to have…

Nuclear Theory · Physics 2020-04-21 Sungtae Cho , Kai-Jia Sun , Che Ming Ko , Su Houng Lee , Yongseok Oh

A brief survey of the role of heavy flavors as a probe of the state of matter produced by high energy heavy ion collisions is presented. Specific examples include energy loss, initial state gluon saturation, thermalization and flow. The…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. L. Thews

The quark saturation behavior at low $Q^2$ is shown in a numeric solution of the DGLAP equation with parton recombination corrections, which resembles the widely discussed JIMWLK saturation of gluons. Our calculation suggests that the…

High Energy Physics - Phenomenology · Physics 2017-03-07 Wei Zhu , Rong Wang , Jianhong Ruan