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相关论文: Rapidity distribution as a probe for elliptical fl…

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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…

核理论 · 物理学 2010-11-02 Sanjeev Kumar , Suneel Kumar , Rajeev K. Puri

The detailed analysis of excitation function of elliptical flow by taking into account the nature of equation of state, nucleon-nucleon cross sections as well as momentum dependent interactions is performed within Quantum Molecular Dynamics…

核理论 · 物理学 2011-12-30 Sanjeev Kumar , Rajeev Chugh

The elliptic flow for $Z\le2$ particles in heavy ion collisions at energies from several tens to several hundreds MeV per nucleon is investigated by means of transport model,i.e. a new version of the Improved Quantum Molecular Dynamics…

核理论 · 物理学 2009-11-11 Yingxun Zhang , Zhuxia Li

The effect of the density dependent symmetry energy on elliptical flow is studied using isospin-dependent quantum molecular dynamics model(IQMD). We have used the reduced isospin-dependent cross-section with soft equation of state to study…

核理论 · 物理学 2011-12-23 Suneel Kumar , Karan Singh Vinayak

For the present analysis, simulations are carried out for thousand of events for the reaction of 79Au197 + 79Au197 at semi-central geometry using a hard equation of state. The whole of the analysis is performed for light charged particles…

核理论 · 物理学 2011-12-23 Sanjeev Kumar , Suneel Kumar

The effect of density dependent symmetry energy on elliptical flow is studied using isospin-dependent quantum molecular dynamics model(IQMD). We have used the reduced isospin- dependent cross-section with hard(H) equation of state to study…

核理论 · 物理学 2012-01-04 Karan Singh Vinayak , Suneel Kumar

Based on the quantum molecular dynamics (QMD) picture, we aim to understand heavy-ion collisions in terms of participant spectator matter leading to various fragments of different sizes. The study is performed for symmetric as well as…

核理论 · 物理学 2015-05-30 Varinderjit Kaur , Suneel Kumar

Recently it has been discovered that the elliptic flow, v2, of composite charged particles emitted at midrapidity in Heavy-Ion collisions at intermediate energies shows the strongest sensitivity to the Nuclear Equation of State (EoS) which…

核理论 · 物理学 2018-09-12 A. Le Fevre , Y. Leifels , C. Hartnack , J. Aichelin

A model for computing the probability density of event-by-event participant center-of-mass rapidity y^{c.m.} is presented. The evaluations of the y^{c.m.} distribution are performed for different collision energies and different…

核理论 · 物理学 2013-07-19 V. Vovchenko , D. Anchishkin , L. P. Csernai

We present the simulations of heavy-ion collisions in terms of participant-spectator matter. We find that this matter depends crucially on the collision dynamics and history of the nucleons. The important changes in the momentum space are…

核理论 · 物理学 2010-11-26 Aman D. Sood , Rajeev K. Puri

The sensitivities of isospin asymmetry and collision geometry dependencies of participant (overlapping region)- spectator (quasiprojectile and quasitarget region) matter towards the symmetry energy using the isospin quantum molecular…

核理论 · 物理学 2012-11-26 Sanjeev Kumar , Y. G. Ma , G. Q. Zhang

Fragmentation of light charged particles is studied for various systems at different incident energies between 50 and 1000 MeV/nucleon. We analyze fragment production at incident energies above, below and at transition energies using the…

核理论 · 物理学 2011-04-05 Karan Singh Vinayak , Suneel Kumar

A Multi-Phase Transport (AMPT) model is used to study the elliptic flow fluctuations of identified particles using participant and spectator event planes. The elliptic flow measured using the first order spectator event plane is expected to…

核实验 · 物理学 2020-09-08 Niseem Magdy , Xu Sun , Zhenyu Ye , Olga Evdokimov , Roy A. Lacey

Isospin relaxation times characterizing isospin transport processes between the projectile and the target with different $N/Z$ ratios and that between the neck and the spectator with different isospin asymmetries and densities in…

核理论 · 物理学 2018-11-21 Han-Sheng Wang , Jun Xu , Bao-An Li , Wen-Qing Shen

The proton elliptic flow in collisions of Ca on Ca at energies from 30 to 100 MeV/nucleon is studied in an isospin-dependent transport model. With increasing incident energy, the elliptic flow shows a transition from positive to negative…

核理论 · 物理学 2009-10-31 Yu-Ming Zheng , C. M. Ko , Bao-An Li , Bin Zhang

The interplay between spectator and participant matter in heavy-ion collisions is investigated in the context of a microscopic transport model. Transport simulations show that flow patterns for the participant matter are strongly influenced…

核理论 · 物理学 2009-11-07 L. Shi , P. Danielewicz , R. Lacey

Using the isospin dependent quantum molecular dynamics model, we study the effect of charge asymmetry and isospin dependent cross-section on different aspects of elliptical flow. Simulations have been carried out for the reactions of…

核理论 · 物理学 2015-05-30 Anupriya Jain , Suneel Kumar , Rajeev K. Puri

Measurements of the elliptic flow coefficient relative to the collision plane defined by the spectator neutrons $v_2${$\Psi_{\rm SP}$} in collisions of Pb ions at center-of-mass energy per nucleon-nucleon pair $\sqrt{s_{\rm NN}}$=2.76 TeV…

核实验 · 物理学 2023-10-03 ALICE Collaboration

The fragmentation of projectile and spectator is studied at the different incident energies using isospin dependent QMD model with reduced isospin dependent cross-section. Different systems have been used for the analysis of fragment…

核理论 · 物理学 2012-01-10 Karan Singh Vinayak , Mohinder Singh , Suneel Kumar

Anisotropic flow can offer significant information of evolution dynamics in heavy-ion collisions. A systematic study of the directed flow $v_1$ and elliptic flow $v_2$ of hard photons and free nucleons is performed for $^{40}$Ca+$^{40}$Ca…

核理论 · 物理学 2020-10-13 S. S. Wang , Y. G. Ma , X. G. Cao , D. Q. Fang , C. W. Ma
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