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We show that hadronization via quark coalescence enhances hadron elliptic flow at large pT relative to that of partons at the same transverse momentum. Therefore, compared to earlier results based on covariant parton transport theory, more…

核理论 · 物理学 2009-11-10 Denes Molnar , Sergei A. Voloshin

We apply a quark combination model with equal-velocity combination (EVC) approximation to study the elliptic flow ($v_{2}$) of hadrons in heavy-ion collisions in a wide collision energy range ($\sqrt{s_{NN}}=$ 27 - 5020 GeV). Utilizing the…

核理论 · 物理学 2021-01-14 Jun Song , Hai-hong Li , Feng-lan Shao

The large and saturating differential elliptic flow v2(pT) observed in Au+Au reactions at RHIC so far could only be explained assuming an order of magnitude denser initial parton system than estimated from perturbative QCD. Hadronization…

核理论 · 物理学 2009-11-10 Denes Molnar

In this paper, we have discussed the transverse momentum dependence of elliptic flow measured in relativistic heavy-ion collisions. The transverse momentum dependence of the number of constituent quarks ($n_{q}$) scaled $v_{2}$ is obtained…

核实验 · 物理学 2022-08-17 Prabhupada Dixit , Md. Nasim

We apply a constituent quark equal-velocity combination (EVC) model to study the elliptic flow ($v_{2}$) and triangular flow ($v_{3}$) of light-flavor and single-charmed hadrons in Pb+Pb collisions at $\sqrt{s_{NN}}=$ 2.76 and 5.02 TeV.…

高能物理 - 唯象学 · 物理学 2026-03-03 Yan-ting Feng , Rui-qin Wang , Feng-lan Shao , Jun Song

Elliptic flow of charm hadrons is investigated based on the quark coalescence model. Due to the large difference between the charm quark and light quark masses, hadrons containing both light and charm quarks show a qualitatively different…

核理论 · 物理学 2009-11-10 Zi-wei Lin , Denes Molnar

Using the dilute-dense factorization in the Color Glass Condensate framework, we investigate the azimuthal angular correlation between a heavy quarkonium and a charged light hadron in proton-nucleus collisions. We extract the second…

高能物理 - 唯象学 · 物理学 2019-05-08 Cheng Zhang , Cyrille Marquet , Guang-You Qin , Shu-Yi Wei , Bo-Wen Xiao

Elliptic flow systematics for different hadron species have been explained by quark coalescence models. It has been argued that the elliptic asymmetry v_2 should scale with the number of quarks that comprise the hadron. We show how these…

核理论 · 物理学 2014-11-18 Scott Pratt , Subrata Pal

We investigate the elliptic and the triangular flow of heavy mesons in ultrarelativistic heavy-ion collisions at RHIC and the LHC. The dynamics of heavy quarks is coupled to the locally thermalized and fluid dynamically evolving quark-gluon…

高能物理 - 唯象学 · 物理学 2015-06-23 Marlene Nahrgang , Jörg Aichelin , Steffen Bass , Pol Bernard Gossiaux , Klaus Werner

We report a systematic measurement of elliptic flow ($v_{2}$) of $K_{s}^{0}$, $\Lambda$, $\overline{\Lambda}$, $\phi$, $\Xi^{-}$, $\overline{\Xi}^{+}$, and $\Omega^{-}$+$\overline{\Omega}^{+}$ at mid-rapidity ($|y| < 1.0$) for isobar,…

核实验 · 物理学 2026-02-13 The STAR Collaboration

The propagation of charm and bottom quarks through an ellipsoidal domain of quark gluon plasma has been studied within the ambit of non-equilibrium statistical mechanics. Energy dissipation of heavy quarks by both radiative and collisional…

核理论 · 物理学 2010-11-23 Santosh K Das , Jan-e Alam

The scaling properties of elliptic flow of hadrons produced in ultrarelativistic heavy-ion collisions are investigated at low transverse momenta, $p_T\lsim 2$\,GeV. Utilizing empirical parameterizations of a thermalized fireball with…

核理论 · 物理学 2014-11-21 Min He , Rainer J. Fries , Ralf Rapp

Elliptic flow of hadrons observed at relativistic heavy-ion collision experiments at Relativistic Heavy-Ion Collider (RHIC) and Large Hadron Collider (LHC), provides us an important signature of possible de-confinement transition from…

高能物理 - 唯象学 · 物理学 2020-03-25 Mohammed Younus , Sushanta Tripathy , Swatantra Kumar Tiwari , Raghunath Sahoo

We present results for the quenching, elliptic flow and azimuthal correlations of heavy flavour particles in high-energy nucleus-nucleus collisions obtained through the POWLANG transport setup, developed in the past to study the propagation…

高能物理 - 唯象学 · 物理学 2015-06-23 A. Beraudo , A. De Pace , M. Monteno , M. Nardi , F. Prino

Anisotropic flows ($v_2$ and $v_4$) of hadrons and light nuclear clusters are studied by a partonic transport model and nucleonic transport model, respectively, in ultra-relativistic and intermediate energy heavy ion collisions. Both…

核理论 · 物理学 2008-11-26 Y. G. Ma

We present results for the quenching, elliptic flow and azimuthal correlations of heavy flavour particles in high-energy nucleus-nucleus collisions obtained through the POWLANG transport setup, developed in the past to study the propagation…

高能物理 - 唯象学 · 物理学 2015-06-11 A. Beraudo , A. De Pace , M. Monteno , M. Nardi , F. Prino

Heavy-flavor hadrons produced in ultra-relativistic heavy-ion collisions are a sensitive probe for studying hadronization mechanisms of the quark-gluon-plasma. In this work, we survey how different transport models for the simulation of…

The major goal of high-energy heavy-ion collisions is to study the properties of the deconfined quark gluon plasma (QGP), such as partonic collectivity. The collective motion of constituent quarks can be derived from the anisotropic flow…

核实验 · 物理学 2020-12-02 Amir Goudarzi , Gang Wang , Huan Zhong Huang

The elliptic flow of electrons from heavy-flavour hadron decays at mid-rapidity ($|y|$ $<$ 0.7) is measured in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 2.76$ TeV with ALICE at the LHC. The particle azimuthal distribution with respect to the…

核实验 · 物理学 2016-11-04 ALICE Collaboration

We have studied elliptic flow ($v_{2}$) of $\phi$-mesons in the framework of a multi phase transport (AMPT) model at LHC energy. In the realms of AMPT model we observe $\phi$-mesons at intermediate transverse momentum ($p_{T}$) deviate from…

核理论 · 物理学 2017-02-20 Subikash Choudhury , Debojit Sarkar , Subhasis Chattopadhyay
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