Charmed hadron production via equal-velocity quark combination in ultra-relativistic heavy ion collisions

Abstract

Recent data on the production of $D$ mesons and ${\Lambda }_c^{+}$ baryons in heavy ion collisions at the Relativistic Heavy Ion Collider and the Large Hadron Collider exhibit a number of striking characteristics such as enhanced yield ratios $D_s^{+}/D^0$, ${\Lambda }_c^{+}/D^0$ and their transverse momentum dependences. In this paper, we derive the momentum dependence of open charm mesons and singly charmed baryons produced in ultra-relativistic heavy ion collisions via the equal-velocity quark combination. We present analytic expressions and numerical results of yield ratios and compare them with the experimental data available. We make predictions for other charmed hadrons.

arXiv comment2 tables, 8 figures

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Cited by in corpus (6)

• Production of light flavor and single-charmed hadrons in $pp$ collisions at $\sqrt{s}=5.02$ TeV in an equal-velocity quark combination model
• Elliptic flow of hadrons in equal-velocity quark combination mechanism in relativistic heavy-ion collisions
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• Production of Strange and Charm Hadrons in Pb+Pb Collisions at $\sqrt{s_{NN}}=$ 5.02 TeV
• Transverse momentum and multiplicity dependence of ${\Lambda }_c^{+}/D^0$ ratio in $pp$ collisions at $\sqrt{s}=13$ TeV