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In a coalescence plus fragmentation approach we calculate the heavy baryon/meson ratio and the $p_T$ spectra of charmed hadrons $D^{0}$, $D_{s}$ and $\Lambda_{c}^{+}$ in a wide range of transverse momentum from low $p_T$ up to about 10 GeV…

High Energy Physics - Phenomenology · Physics 2018-05-04 Salvatore Plumari , Vincenzo Minissale , Santosh K. Das , Gabriele Coci , Vincenzo Greco

We calculate open charm production in $Pb+Pb$ reactions at SPS energies within the HSD transport approach - which is based on string, quark, diquark ($q, \bar{q}, qq, \bar{q}\bar{q}$) and hadronic degrees of freedom - including the…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. Cassing , L. A. Kondratyuk , G. I. Lykasov , M. V. Rzjanin

Measurements of the production yields of charm baryons ($\Lambda_\mathrm{c}^+$) and charm mesons (D$^0$) in proton-lead collisions at a nucleon-nucleon center-of-mass energy of 8.16 TeV are presented. The data were collected in 2016 with…

Nuclear Experiment · Physics 2025-07-10 CMS Collaboration

The measurements of open charm production was proposed as an important tool to investigate the properties of hot and dense matter formed in nucleus-nucleus collisions as well as to provide the means for model independent interpretation of…

Nuclear Experiment · Physics 2019-02-20 Pawel Staszel

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

The recent experimental measurements on $pp$ collisions at $\sqrt{s}=5.02 \,\rm TeV$ have shown a very large abundance of heavy baryon production corresponding to a ratio of $\Lambda_c/D^0 \sim 0.6$, about one order of magnitude larger than…

High Energy Physics - Phenomenology · Physics 2021-09-08 Vincenzo Minissale , Salvatore Plumari , Vincenzo Greco

A wealth of data on charmonium production in Pb-Pb collisions from the LHC experiments has provided strong evidence for (re-)generation as a dominant production mechanism at low transverse momentum. We present an important extension of the…

Nuclear Theory · Physics 2019-01-30 A. Andronic , P. Braun-Munzinger , M. K. Koehler , J. Stachel

Effects of strong longitudinal colour electric fields (SCF), shadowing, and quenching on the open prompt charm mesons (D$^0$, D$^+$, D$^{*+}$, D${_s}{^+}$) production in central Pb + Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV are…

High Energy Physics - Phenomenology · Physics 2015-06-16 V. Topor Pop , M. Gyulassy , J. Barrette , C. Gale , M. Petrovici

The statistical model with exact conservation of baryon number, electric charge, and strangeness - the Canonical Statistical Model (CSM) - is used to analyze the dependence of yields of light nuclei at midrapidity on charged pion…

High Energy Physics - Phenomenology · Physics 2019-09-10 Volodymyr Vovchenko , Benjamin Donigus , Horst Stoecker

Open charm spectra at mid-rapidity from direct reconstruction of $D^{0}\to K\pi$ and indirect electron/positron measurements via charm semileptonic decay in p+p and d+Au collisions at $\sqrt{s_{_{\rm NN}}}$ = 200 GeV are reported. The…

Nuclear Experiment · Physics 2009-11-10 Lijuan Ruan

We discuss aspects of open and hidden charm production in deuterium-nucleus collisions at RHIC and LHC energies. We describe calculations of the total $c \bar c$ cross section and the charm quark transverse momentum distributions. We next…

High Energy Physics - Phenomenology · Physics 2009-01-07 R. Vogt

We study the production of charmonia and charmed hadrons for nucleus-nucleus collisions at SPS, RHIC, and LHC energies within the framework of the statistical hadronization model. Results from this model are compared to the observed…

Nuclear Theory · Physics 2009-11-07 A. Andronic , P. Braun-Munzinger , K. Redlich , J. Stachel

New results from charm experiments have led to renewed interest in this physics. The charm sector is now seen as a powerful tool to search for new physics and to advance our understanding of the standard model. We owe much of this progress…

High Energy Physics - Experiment · Physics 2014-11-17 Alex Smith

With the growth of statistics in the future experiments at the LHC, the number of events with charm production will increase substantially. It may become possible to measure the multiplicity distribution of charm particles. Using PYTHIA-8,…

High Energy Physics - Phenomenology · Physics 2025-12-23 Y. N. Lima , C. Jahnke , M. Munhoz , F. S. Navarra

The predictions are presented for the diagonal and transition form factors of light hadrons in the time-like region up to the production threshold of an open charm quantum number. The comparison with existing data on the decays of J/psi and…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. N. Achasov , A. A. Kozhevnikov

We discuss some puzzling aspects of the narrow hidden charm resonance that was recently discovered by the Belle Collaboration at mass 3872 MeV. In order to determine its quantum numbers, a crucial piece of information is the spin of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sandip Pakvasa , Mahiko Suzuki

We present the dependence of $D$ production on the charged particle multiplicity in proton-proton collisions at LHC energies. We show that, in a framework of source coherence, the open charm production exhibits a growth with the…

High Energy Physics - Phenomenology · Physics 2015-01-15 E. G. Ferreiro , C. Pajares

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

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