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To reduce the effect of the fluctuations of initial geometrical shape, elliptic flow are studied at fixed centrality in Au+Au collision at $\sqrt{s_{\rm NN}}$=200GeV. It is observed with the participant increasing, elliptic flow has an…

Nuclear Theory · Physics 2012-08-31 Wang Meijuan , Chen Gang , Wu Yuanfang

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…

High Energy Physics - Phenomenology · Physics 2019-05-08 Cheng Zhang , Cyrille Marquet , Guang-You Qin , Shu-Yi Wei , Bo-Wen Xiao

In this paper we demonstrate that radiation patterns could cause flow-like behaviour without any reference to hydrodynamic description. For that purpose we use a statistical ensemble of radiating dipoles, motivated by the investigation of…

High Energy Physics - Phenomenology · Physics 2015-07-07 T. S. Biró , M. Horváth , Zs. Schram

This work establishes a deep connection between two seemingly distant branches of nuclear physics: nuclear structure and relativistic heavy-ion collisions. At the heart of this connection is the recent discovery made at particle colliders…

Nuclear Theory · Physics 2021-01-05 Giuliano Giacalone

Elliptic flow in heavy-ion collisions at incident energies $E_{lab}\simeq$ (1--160)A GeV is analyzed within the model of 3-fluid dynamics (3FD). We show that a simple correction factor, taking into account dissipative affects, allows us to…

Nuclear Theory · Physics 2009-12-30 Yu. B. Ivanov , I. N. Mishustin , V. N. Russkikh , L. M. Satarov

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

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

We argue that RHIC data, in particular those on the anisotropic flow coefficients v_2 and v_4, suggest that the matter produced in the early stages of nucleus-nucleus collisions is incompletely thermalized. We interpret the parameter…

Nuclear Theory · Physics 2010-04-06 R. S. Bhalerao , J. -P. Blaizot , N. Borghini , J. -Y. Ollitrault

High-multiplicity proton-proton collisions at the LHC may exhibit collective phenomena such as elliptic flow. We study this issue using DIPSY, a brand-new Monte Carlo event generator which features almost-NLO BFKL dynamics and describes the…

High Energy Physics - Phenomenology · Physics 2011-11-15 E. Avsar , Y. Hatta , C. Flensburg , J. Y. Ollitrault , T. Ueda

Centrality, rapidity, and transverse momentum dependence of hadron elliptic flow is studied in Au+Au collisions at BNL RHIC energies within the microscopic quark-gluon string model. The QGSM predictions coincide well with the experimental…

Nuclear Theory · Physics 2009-11-07 E. E. Zabrodin , C. Fuchs , L. V. Bravina , Amand Faessler

We compute the elliptic flow generated by classical gluon fields in a high energy nuclear collision. The classical gluon fields are described by a typical momentum scale, the saturation scale Lambda_s, which is, for RHIC energies, of the…

High Energy Physics - Phenomenology · Physics 2010-11-30 Alex Krasnitz , Yasushi Nara , Raju Venugopalan

The relative correlation between the magnitudes of elliptic flow ($v_2$) and triangular flow ($v_3$) has been accurately measured in nucleus-nucleus collisions at the LHC collider. As a function of the centrality of the collision, it…

Nuclear Theory · Physics 2025-12-08 Mubarak Alqahtani , Jean-Yves Ollitrault

We present a systematic study of elliptic flow as a function of centrality, pseudorapidity, transverse momentum and energy for Cu+Cu and Au+Au collisions from the PHOBOS experiment. New data on elliptic flow in Cu+Cu collisions at 22.4 GeV…

Nuclear Experiment · Physics 2019-08-14 Rachid Nouicer

Initial eccentricity of the interacting volume of QCD matter created in collisions of prolate and oblate nuclei is studied using optical Glauber simulation. Collisions of prolate 165-Ho + 165-Ho nuclei and Au+Au nuclei are investigated…

Nuclear Theory · Physics 2009-07-27 Peter Filip

The results on elliptic flow in sqrt(s)=2.76 TeV Pb+Pb collisions at the Large Hadron Collider (LHC) reported by the ALICE collaboration are remarkably similar to those for sqrt(s)=200 GeV gold-gold collisions at the Relativistic Heavy Ion…

High Energy Physics - Phenomenology · Physics 2011-07-26 Bjoern Schenke , Sangyong Jeon , Charles Gale

Recent measurements of event-by-event elliptic flow in Au+Au collisions at sqrt(sNN) = 200 GeV exhibit large relative fluctuations of about 40~50%. The data are well described by fluctuations in the shape of the initial collision region, as…

Nuclear Experiment · Physics 2007-05-23 Steven Manly

The angular correlations measured in proton-proton collisions at 7 TeV are decomposed into contributions from back to back emission and elliptic flow. Modeling the dominant term in the correlation functions as a momentum conservation effect…

High Energy Physics - Phenomenology · Physics 2011-02-09 Piotr Bozek

The elliptic-flow ratio of neutrons with respect to protons or light complex particles in reactions of neutron-rich systems at relativistic energies is proposed as an observable sensitive to the strength of the symmetry term in the equation…

Nuclear Experiment · Physics 2011-04-28 P. Russotto , P. Z. Wu , M. Zoric , M. Chartier , Y. Leifels , R. C. Lemmon , Q. Li , J. Lukasik , A. Pagano , P. Pawlowski , W. Trautmann

This paper describes the measurement of elliptic flow for charged particles in Au+Au collisions at sqrt(sNN)=200 GeV using the PHOBOS detector at the Relativistic Heavy Ion Collider (RHIC). The measured azimuthal anisotropy is presented…

Nuclear Experiment · Physics 2012-08-27 Phobos Collaboration

We estimate the amount of collective "elliptic flow" expected at mid-rapidity in proton-proton (p-p) collisions at the CERN Large Hadron Collider (LHC), assuming that any possible azimuthal anisotropy of the produced hadrons with respect to…

High Energy Physics - Phenomenology · Physics 2011-09-28 D. d'Enterria , G. Kh. Eyyubova , V. L. Korotkikh , I. P. Lokhtin , S. V. Petrushanko , L. I. Sarycheva , A. M. Snigirev