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Flow has emerged as a crucial probe for the properties of the thermalized medium produced in relativistic heavy-ion collisions. The evolution of initial state fluctuations leaves imprints on the power spectrum of flow coefficients.…

核理论 · 物理学 2021-06-29 Shreyansh S. Dave , Saumia P. S. , Ajit M. Srivastava

Using event-by-event viscous fluid dynamics to evolve fluctuating initial density profiles from the Monte-Carlo Glauber model for U+U collisions, we report a "knee"-like structure in the elliptic flow as a function of collision centrality,…

核理论 · 物理学 2015-02-03 Andy Goldschmidt , Zhi Qiu , Chun Shen , Ulrich Heinz

The azimuthal correlations between local flow planes at different (pseudo)rapidities ($\eta$) may reveal important details of the initial nuclear matter density distributions in heavy-ion collisions. Extensive experimental measurements of a…

核实验 · 物理学 2022-02-09 Zhiwan Xu , Xiatong Wu , Caleb Sword , Gang Wang , Sergei A. Voloshin , Huan Zhong Huang

We study the collision energy dependence of elliptic flow v_2 and triangular flow v_3 in Au+Au collisions within the energy range sqrt(s_{NN}) = 5-200 GeV, utilizing a transport + hydrodynamics hybrid model. The transport part is described…

核理论 · 物理学 2014-04-11 Jussi Auvinen , Hannah Petersen

A study has been conducted into the mechanisms of evolution of clusters and their subsequent fragmentation under energetic heavy ion bombardment of amorphous graphite. The evolving clusters and their subsequent fragmentation under…

介观与纳米尺度物理 · 物理学 2016-09-14 A. Qayyum , B. Ahmad , M. N. Akhtar , Shoaib Ahmad

Elliptic flow and HBT are studied for non-central relativistic nuclear collisions. Azimuthal asymmetries show up in both elliptic flow and HBT radii and are calculated in both collisionless and hydrodynamic limits relevant for peripheral…

核理论 · 物理学 2009-07-09 H. Heiselberg , A. Levy

New constraints for the nuclear equation of state at suprasaturation densities have been obtained by measuring collective particle flows in heavy-ion reactions at relativistic energies. Ratios and differences of neutron and hydrogen flows…

核实验 · 物理学 2018-02-13 W. Trautmann , H. H. Wolter

Knowledge on nuclear cluster physics has increased considerably since the pioneering discovery of 12C+12C resonances half a century ago and nuclear clustering remains one of the most fruitful domains of nuclear physics, facing some of the…

核实验 · 物理学 2017-11-08 C. Beck

We propose to use the hadron number fluctuations in the limited momentum regions to study the evolution of initial flows in high energy nuclear collisions. In this method by a proper preparation of a collision sample the projectile and…

高能物理 - 唯象学 · 物理学 2008-11-26 Marek Gazdzicki , Mark Gorenstein

The J/psi elliptic flow in high energy nuclear collisions is calculated in a transport model. While the flow is very small at SPS and RHIC energies, it is strongly enhanced at LHC energy due to the dominance of the regeneration mechanism.

核理论 · 物理学 2010-03-04 Yunpeng Liu , Nu Xu , Pengfei Zhuang

Fluctuations of the baryon number in relativistic heavy-ion collisions are a promising observable to explore the structure of the QCD phase diagram. The cumulant ratios in heavy ion collisions at intermediate energies…

Using event-by-event viscous fluid dynamics to evolve fluctuating initial density profiles from the Monte-Carlo Glauber model for U+U collisions, we report a "knee"-like structure in the elliptic flow as a function of collision centrality,…

核理论 · 物理学 2015-10-28 Andy Goldschmidt , Zhi Qiu , Chun Shen , Ulrich Heinz

We propose that flow fluctuations have the same origin as transverse momentum fluctuations. The common source of these fluctuations is the spatially inhomogeneous initial state that drives hydrodynamic flow. Longitudinal correlations from…

核理论 · 物理学 2013-05-30 Sean Gavin , George Moschelli

We present a simple way to construct 3D initial conditions for relativistic heavy-ion collisions based on the Glauber collision geometry. Local energy and momentum conservation conditions are imposed to set non-trivial constraints on our…

核理论 · 物理学 2020-07-22 Chun Shen , Sahr Alzhrani

We report the elliptic flow ($v_{2}$) of $K_{s}^{0}$, $\Lambda$, $\bar{\Lambda}$, $\phi$, $\Xi^{-}$, and $\overline{\Xi}^{+}$ at mid-rapidity for Ru+Ru and Zr+Zr collisions at $\sqrt{s_{\mathrm {NN}}}$ = 200 GeV. The transverse momentum…

核实验 · 物理学 2023-03-22 Priyanshi Sinha

The study of multiparticle correlations and collectivity in the hot and dense matter created in collisions of heavy-ions as well as those of smaller systems such as proton--heavy-ion collisions has progressed to the point where detailed…

高能物理 - 唯象学 · 物理学 2018-01-31 K. Dusling , M. Mace , R. Venugopalan

The presence of large event-by-event flow fluctuations in heavy ion collisions at RHIC and the LHC provides an opportunity to study a broad class of flow observables. This paper explores the correlations among harmonic flow coefficients…

核实验 · 物理学 2014-09-12 Peng Huo , Jiangyong Jia , Soumya Mohapatra

We study elliptic and triangular flow in the collisions of deuteron-gold nuclei at $\sqrt{s_{\rm NN}} = 200$ GeV at RHIC and of proton-lead nuclei at $\sqrt{s_{\rm NN}} = 5.02$ TeV at the LHC, utilizing (3+1)-dimensional ideal hydrodynamics…

核理论 · 物理学 2014-04-23 Guang-You Qin , Berndt Müller

I study a possible effect of momentum deposition from many hard partons traversing the hot and dense region produced early in nuclear collisions at the LHC. The expected number of such hard partons is large. It is argued that the induced…

核理论 · 物理学 2010-02-09 Boris Tomasik

In heavy-ion collisions, the harmonic flow $V_n$ of final-state particles are driven by the eccentricity vector ${\mathcal{E}}_n$ that describe the shape of the initial fireball projected in the transverse plane. It is realized recently…

核理论 · 物理学 2020-07-01 Arabinda Behera , Maowu Nie , Jiangyong Jia
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