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The nuclear modification factor ${R}_{\rm AA}$ and the elliptic flow coefficient ${v}_{\rm 2}$ of charm-strange meson $D^{+}_{s}$ is systematically studied in Pb--Pb collisions at $\sqrt{s_{\rm NN}}=5.02~{\rm TeV}$ and $2.76~{\rm TeV}$.…

High Energy Physics - Phenomenology · Physics 2018-09-26 Shuang Li , Chaowen Wang

Open charm production at the initial and the pre-equilibrium stages in nuclear collisions is studied. The pre-equilibrium contribution to open charm production in $A+A$ collisions at $\sqrt s=200 AGeV$ is shown to be very sensitive to…

Nuclear Theory · Physics 2007-05-23 Ziwei Lin

The anomalous behavior of the spin-spin correlation at large momentum transfer in pp elastic scattering is described in terms of the degrees of freedom associated with the onset of the charm threshold. A non-perturbative analysis based on…

High Energy Physics - Phenomenology · Physics 2016-08-25 Guy F. de Teramond , Randall Espinoza , Manuel Ortega-Rodriguez

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

The cross section for the diffractive reaction gamma* + p -> c cbar + p with a real or virtual photon is calculated in the nonperturbative two-gluon exchange model of Landshoff and Nachtmann. Numerical predictions are given for cross…

High Energy Physics - Phenomenology · Physics 2015-06-25 M. Diehl

Measurements of the production cross sections of prompt ${\rm D^0}$, ${\rm D^+}$, ${\rm D^{\ast +}}$, ${\rm D_s^+}$, ${\rm \Lambda_{c}^{+}}$, and ${\rm \Xi_{c}^{+}}$ charm hadrons at midrapidity in proton$-$proton collisions at…

High Energy Physics - Experiment · Physics 2024-01-09 ALICE Collaboration

We present results on rapidity and transverse momentum distributions of inclusive charm quark production in hadronic and heavy-ion collisions at RHIC and LHC energies, including the next-to-leading order, $O(\alpha_s^3)$, radiative…

High Energy Physics - Phenomenology · Physics 2016-09-01 Ina Sarcevic

We discuss production of $D^0$ and ${\bar D}^0$ mesons in proton-nucleus collisions in fixed target experiments. We include gluon-gluon fusion, intrinsic charm and perturbative recombination. We compare rapidity and transverse momentum…

High Energy Physics - Phenomenology · Physics 2024-10-02 Antoni Szczurek , Rafał Maciuła

The properties of strange ($K$, $\bar K$ and $\bar K^*$) and open-charm ($D$, $\bar D$ and $D^*$) mesons in dense matter are studied using a unitary approach in coupled channels for meson-baryon scattering. In the strangeness sector, the…

We discuss the production of the exotic doubly-charmed tetraquark mesons ${\rm T}_{{\rm c}{\rm c}}({\rm c}{\rm c}\bar{\rm u}\bar{\rm d})$ from electron-positron collisions. ${\rm T}_{{\rm c}{\rm c}}({\rm c}{\rm c}\bar{\rm u}\bar{\rm d})$ is…

High Energy Physics - Phenomenology · Physics 2017-08-21 Tetsuo Hyodo , Yan-Rui Liu , Makoto Oka , Shigehiro Yasui

In charged current deep inelastic scattering charm is dominantly produced in scattering events on strange quarks, thereby allowing for an experimental determination of the nucleon's strange sea density. A measurement of the energy spectrum…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Kretzer

We calculate the atmospheric flux of prompt neutrinos, produced in decays of the charmed particles at energies beyond 1 TeV. Cross sections of the $D$-mesons and ${\Lambda}^{+}_{c}$ baryons production in pA and $\pi$A collisions are…

High Energy Physics - Phenomenology · Physics 2021-09-29 S. I. Sinegovsky , M. N. Sorokovikov

We present an overview of the description of K and eta meson productions in nucleon-nucleon collisions within an effective Lagrangian model where meson production proceeds via excitation, propagation and subsequent decay of intermediate…

Nuclear Theory · Physics 2009-08-03 Radhey Shyam

We study the $\bar D D$ (${\bar D}^0 D^0$ and $D^-D^+$) charm meson pair production in antiproton (${\bar p}$) induced reactions on nuclei at beam energies ranging from threshold to several GeV. Our model is based on an effective Lagrangian…

Nuclear Theory · Physics 2016-11-02 R. Shyam , K. Tsushima

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

Mid-rapidity open charm spectra from direct reconstruction of $D^{0}$($\bar{D^0}$)$\to K^{\mp}\pi^{\pm}$ in d+Au collisions and indirect electron/positron measurements via charm semileptonic decays in p+p and d+Au collisions at \srt = 200…

Nuclear Experiment · Physics 2008-11-26 STAR Collaboration , J. Adams

Asymmetries in the hadroproduction of charm particles directly probe power corrections to the QCD factorization theorems. In this paper, the heavy-quark recombination mechanism, a power correction that explains charm meson asymmetries, is…

High Energy Physics - Phenomenology · Physics 2014-11-17 Eric Braaten , Masaoki Kusunoki , Yu Jia , Thomas Mehen

The results of the SERP-E-184 experiment at the U-70 accelerator (IHEP, Protvino) are presented. Interactions of the 70 GeV proton beam with carbon, silicon and lead targets were studied to detect decays of charmed $D^0$, $\bar D^0$, $D^+$,…

High Energy Physics - Experiment · Physics 2016-11-23 V. Ryadovikov

Several recent measurements of charmed hadron production in deep inelastic scattering at HERA are reviewed. Cross sections for the production of D mesons were measured and compared to NLO QCD predictions. The charm contribution to the…

High Energy Physics - Experiment · Physics 2015-03-17 Philipp Roloff
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