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We present a theoretical framework to study open charm production in relativistic heavy-ion collisions. The coupling strength between the charm quarks and the QGP constituents, quantified by the spatial diffusion coefficient $2\pi TD_{s}$,…

高能物理 - 唯象学 · 物理学 2018-08-01 Shuang Li , Chaowen Wang , Xianbao Yuan , Shengqin Feng

Charm quarks serve as a sensitive probe of the Quark-Gluon Plasma (QGP), providing direct insights into its formation, evolution, and properties. In this proceeding, we present new high-precision measurements from the CMS experiment in…

核实验 · 物理学 2025-12-29 Nihar Ranjan Saha

We study open charm flavor observables in Pb+Pb collision at $\sqrt{s_{NN}}= 2.76$ TeV within the MARTINI framework. The space-time expansion of the quark-gluon plasma is described using the hydrodynamical approach-MUSIC with IP-Glasma…

核理论 · 物理学 2023-11-09 Mayank Singh , Manu Kurian , Sangyong Jeon , Charles Gale

The first study of charm quark diffusion with respect to the jet axis in heavy ion collisions is presented. The measurement is performed using jets with $p_\mathrm{T}^\mathrm{jet}$ $>$ 60 GeV and D$^0$ mesons with $p_\mathrm{T}^\mathrm{D}$…

高能物理 - 实验 · 物理学 2020-09-09 CMS Collaboration

We consider the SU(2) Glasma with gaussian fluctuations and study its evolution by means of classical Yang-Mills equations solved numerically on a lattice. Neglecting in this first study the longitudinal expansion we follow the evolution of…

核理论 · 物理学 2018-04-18 M. Ruggieri , J. H. Liu , L. Oliva. G. X. Peng , V. Greco

The exchange of gluons between heavy quarks produced in $e^+e^-$ interactions results in an enhancement of their production near threshold. We study QCD threshold effects in $\gamma\gamma$ collisions. The results are relevant to heavy quark…

高能物理 - 唯象学 · 物理学 2010-11-01 O. J. P. Eboli , M. C. Gonzalez-Garcia , F. Halzen , S. F. Novaes

In these proceedings, we report on our numerical lattice simulations of partons traversing the boost-invariant, non-perturbative glasma as created at the early stages of collisions at RHIC and LHC. Since these highly energetic partons are…

高能物理 - 唯象学 · 物理学 2022-02-16 Andreas Ipp , David I. Müller , Daniel Schuh

We discuss the transverse momentum broadening of hard probes traversing an evolving glasma, which is the earliest phase of the matter produced in relativistic heavy-ion collisions. The coefficient $\hat q$ is calculated using the…

高能物理 - 唯象学 · 物理学 2022-09-30 Margaret E. Carrington , Alina Czajka , Stanislaw Mrowczynski

We studied the directed flow of heavy quarks in small systems produced in p-Pb collisions due to both the impact of initial vorticity and electromagnetic fields. We employed a relativistic transport code to model the bulk evolution of the…

核理论 · 物理学 2023-08-09 Yifeng Sun , Salvatore Plumari , Santosh K. Das

Charm-hadrons possess versatile hadro-chemistry as characterized by various transverse-momentum-dependent ratios between their different species. In particular, the charm hadro-chemistry may be modified in relativistic heavy-ion collisions…

核理论 · 物理学 2022-08-23 Kai Lu , Min He

We investigate the effects of the pre-equilibrium Glasma stage of heavy-ion collisions on the broadening of momentum for heavy quarks and jets using classical colored particle simulations based on Wong's equations. Confirming previous…

高能物理 - 唯象学 · 物理学 2023-04-04 Dana Avramescu , Virgil Băran , Vincenzo Greco , Andreas Ipp , David. I. Müller , Marco Ruggieri

The transverse momentum ($p_T$) spectra of charged hadrons in $p+p$, $p+Pb$ and $Pb+Pb$ collisions at $\sqrt {s_{NN}} = 5.02$ TeV are presented here within the rapidity range of $-2.5<y<2.0$. We study the medium effects, which is produced…

高能物理 - 唯象学 · 物理学 2024-06-07 Kapil Saraswat , Prashanta Kumar Khandai , Deependra Singh Rawat , Venktesh Singh

We compute the momentum broadening of a heavy fundamental charge propagating through a $\mathcal{N}=4$ Yang Mills plasma at large t' Hooft coupling. We do this by expressing the medium modification of the probe's density matrix in terms of…

高能物理 - 理论 · 物理学 2010-10-27 Jorge Casalderrey-Solana , Derek Teaney

We investigate the consequences of long range rapidity correlations in the Glasma. Particles produced locally in the transverse plane are correlated by approximately boost invariant flux tubes of longitudinal color electric and magnetic…

高能物理 - 唯象学 · 物理学 2010-11-11 Adrian Dumitru , Francois Gelis , Larry McLerran , Raju Venugopalan

Heavy quarks serve as ideal probes of the QGP properties produced in energetic nuclear collisions, and provide a unique opportunity to study the mass effects on parton energy loss. We develop a multi-stage approach for heavy quark evolution…

核理论 · 物理学 2019-02-07 Abhijit Majumder , Shanshan Cao , Chun Shen , Guang-You Qin

We investigate the thermalization of charm quarks in high energy heavy ion collisions. To this end, we calculate the diffusion coefficient in the perturbative Quark Gluon Plasma and relate it to collisional energy loss and momentum…

高能物理 - 唯象学 · 物理学 2009-11-10 Guy D. Moore , Derek Teaney

We describe the propagation of charm quarks in the quark-gluon plasma (QGP) by means of a Boltzmann transport approach. Non-perturbative interaction between heavy quarks and light quarks have been taken into account through a quasi-particle…

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…

核实验 · 物理学 2022-07-29 Luuk Vermunt

We study the production dynamics of charm quarks in the parton cascade model for relativistic heavy ion collisions at RHIC and LHC energies. The model is eminently suited for a study of the pre-equilibrium dynamics of charm quarks at modest…

核理论 · 物理学 2019-04-19 Dinesh K. Srivastava , Rupa Chatterjee

We examine the possibility to utilize in-medium charmonium formation in heavy ion interactions at collider energy as a probe of the properties of the medium. This is possible because the formation process involves recombination of charm…

高能物理 - 唯象学 · 物理学 2009-11-11 R. L. Thews