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Related papers: Collective flow in heavy ion collisions at interme…

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The centrality dependence of directed and elliptic flow in light and heavy systems of colliding nuclei is studied within two microscopic transport models at energies from 1 AGeV to 160 A GeV. The pion directed flow has negative slope in the…

Nuclear Theory · Physics 2009-11-06 L. V. Bravina , Amand Faessler , C. Fuchs , E. E. Zabrodin

In this talk we discuss several interesting aspects of collective flow in small systems in reference to planned future experiments. First, we bring in the novel possibility of exploring elliptic flow with heavy nuclei collisions on…

Nuclear Theory · Physics 2021-02-03 Wojciech Broniowski , Piotr Bożek , Maciej Rybczyński , Enrique Ruiz Arriola

The directed flow of protons and positive pions have been studied in 158 A GeV Pb + Pb collisions. A directed flow analysis of the rapidity dependence of the average transverse momentum projected onto the reaction plane is presented for…

Nuclear Experiment · Physics 2007-05-23 WA98 Collaboration , M. M. Aggarwal

The correlation between the elliptic flow $v_2$ scaled by the impact parameter $b$ and the shear viscosity $\eta$ as well as the specific viscosity $\eta/s$, defined as the ratio of the shear viscosity to the entropy density $s$, is…

Nuclear Theory · Physics 2014-11-21 C. L. Zhou , Y. G. Ma , D. Q. Fang , G. Q. Zhang , J. Xu , X. G. Cao , W. Q. Shen

The anisotropic collective flow is one of the key observables to study the properties of dense matter created in heavy-ion collisions. The performance of Multi-Purpose Detector (MPD) at NICA collider for directed and elliptic flow…

High Energy Physics - Experiment · Physics 2020-12-15 P. Parfenov , A. Taranenko , D. Idrisov , V. B. Luong , N. Geraksiev , A. Demanov , A. Povarov , V. Kireyeu , A. Truttse , E. Volodihin

A strong differential transverse collective flow is predicted for the first time to occur in heavy-ion collisions at balance energies. We also give a novel explanation for the disappearance of the total transverse collective flow at the…

Nuclear Theory · Physics 2009-10-31 Bao-An Li , Andrew T. Sustich

We present a new method for analyzing directed and elliptic flow in heavy ion collisions. Unlike standard methods, it separates the contribution of flow to azimuthal correlations from contributions due to other effects. The separation…

Nuclear Theory · Physics 2008-11-26 Nicolas Borghini , Phuong Mai Dinh , Jean-Yves Ollitrault

Collective flow reflects the dynamical evolution in high-energy heavy ion collisions. In particular, the elliptic flow reflects early collision dynamics.We present a systematic analysis of elliptic flow ($v_{2}$) for identified particles…

Nuclear Experiment · Physics 2019-08-13 Shusu Shi

The various flow phenomena observed at energies between 50 AMeV and 160 AGeV are reviewed. I first define three types of flow: directed flow and elliptic flow, which are the two first Fourier components of the azimuthal distribution in…

Nuclear Experiment · Physics 2009-10-31 Jean-Yves Ollitrault

The magnitude of anisotropic flow in a nucleus-nucleus collision is determined by the energy density field, $\rho(x,y,z)$, created right after the collision occurs. Specifically, elliptic flow, $v_2$, and triangular flow, $v_3$, are…

We study the relation between elliptic flow, $v_2$ and the initial eccentricity, $\varepsilon_2$, in heavy-ion collisions, using hydrodynamic simulations. Significant deviations from linear eccentricity scaling are seen in more peripheral…

Nuclear Theory · Physics 2016-01-27 Jacquelyn Noronha-Hostler , Li Yan , Fernando G. Gardim , Jean-Yves Ollitrault

Directed and elliptic flow are reported for charged pions and protons as a function of transverse momentum, rapidity, and centrality in 40 and 158 AGeV Pb + Pb collisions. The standard method of correlating particles with an event plane is…

The elliptical flow of fragments is studied for different systems at incident energies between 50 and 1000 MeV/nucleon using the isospin-dependent quantum molecular dynamics (IQMD) model. Our findings reveal that elliptical flow shows a…

Nuclear Theory · Physics 2010-11-02 Sanjeev Kumar , Suneel Kumar , Rajeev K. Puri

Collective flow and balance energy in asymmetric heavy-ion collisions

Nuclear Theory · Physics 2011-02-22 Supriya Goyal , S. Gautam , Aman D. Sood , Rajeev K. Puri

Directed and elliptic flow of protons and positively charged pions has been studied in the target fragmentation region using the Plastic Ball detector in the WA98 experiment. The results exhibit a strong dependence on centrality, rapidity,…

Nuclear Experiment · Physics 2015-06-26 WA98 Collaboration , H. Schlagheck

Directed and elliptic flow for the Au + Au system at incident energies between 40 and 150 MeV per nucleon has been measured using the INDRA 4 pi multi-detector. For semi-central collisions, the elliptic flow of Z <= 2 particles switches…

We investigate elliptic flow in heavy ion collisions at intermediate energies. In doing this, we implement and use a lattice-Hamiltonian model of the nuclear interaction and we also study the effect of in-medium nucleon-nucleon cross…

Nuclear Theory · Physics 2011-08-11 Declan Persram , Charles Gale

The first measurements of anisotropic flow coefficients $v_{\rm{n}}$ for mid-rapidity charged particles in Xe-Xe collisions at $\sqrt{s_{\rm{NN}}} = 5.44$ TeV are presented. Comparing these measurements to those from Pb-Pb collisions at…

Nuclear Experiment · Physics 2019-01-21 ALICE Collaboration

In this paper we propose to thoroughly investigate asymmetric nuclear collisions both in the fixed target mode at the laboratory energy below 5 GeV per nucleon and in the collider mode with a center of mass energy below 11 GeV per nucleon.…

Nuclear Theory · Physics 2011-06-21 M. Bleicher , K. A. Bugaev , P. Rau , A. S. Sorin , J. Steinheimer , H. Stoecker

Recent data from the NA49 experiment on directed and elliptic flow for Pb+Pb reactions at CERN-SPS are compared to calculations with a hadron-string transport model, the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hannah Petersen , Qingfeng Li , Xianglei Zhu , Marcus Bleicher