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Related papers: Impact parameter dependence of collective flow and…

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We study the transverse flow throughout the mass asymmetry range as a function of the impact parameter, keeping the total mass of the system fixed.We find that the geometry of vanishing flow (GVF) i.e. the impact parameter at which flow…

Nuclear Theory · Physics 2011-07-26 Supriya Goyal

We demonstrate the role of the mass asymmetry in the energy of vanishing flow by studying asymmetric reactions throughout the periodic table and over entire colliding geometry. Our results, which are almost independent of the system size…

Nuclear Theory · Physics 2011-07-26 Supriya Goyal , Rajeev K. Puri

We aim to understand the role of Coulomb interactions as well as of different equations of state on the disappearance of transverse flow for various asymmetric reactions leading to same total mass. For the present study, the total mass of…

Nuclear Theory · Physics 2010-10-01 Sanjeev Kumar , Varinderjit Kaur , Suneel Kumar

We present our recent results on the fragmentation by varying the mass asymmetry of the reaction between 0.2 and 0.7 at an incident energy of 250 MeV/nucleon. For the present study, the total mass of the system is kept constant (ATOT = 152)…

Nuclear Theory · Physics 2011-09-30 Varinderjit Kaur , Suneel Kumar

We investigate the disappearance of collective flow in the reaction plane in heavy-ion collisions within a microscopic model (QMD). A systematic study of the impact parameter dependence is performed for the system Ca+Ca. The balance energy…

Nuclear Theory · Physics 2016-09-08 S. Soff , S. A. Bass , C. Hartnack , H. Stoecker , W. Greiner

Using the quantum molecular dynamics model, we study the role of mass asymmetry of colliding nuclei on the fragmentation at the balance energy and on its mass dependence. The study is done by keeping the total mass of the system fixed as…

Nuclear Theory · Physics 2015-05-28 Supriya Goyal

We present a systematic study of the energy of vanishing flow by considering symmetric colliding nuclei (between $^{12}$C and $^{238}$U) at normalized impact parameters using variety of equations of state (with and without momentum…

Nuclear Theory · Physics 2010-11-26 Aman D. Sood , Rajeev K. Puri

Using the isospin-dependent quantum molecular dynamics model we study the isospin effects on the disappearance of flow for the reactions of 58Ni+58Ni and 58Fe+58Fe as a function of impact parameter. We found good agreement between our…

Nuclear Theory · Physics 2010-09-27 S. Gautam , Aman D. Sood , Rajeev K. Puri , Ch. Hartnack , J. Aichelin

We study the effect of isospin degree of freedom on the balance energy (E$_{bal}$) as well as its mass dependence throughout the mass range for two different sets of isobaric systems with N/Z = 1 and 1.4 at different colliding geometries…

Nuclear Theory · Physics 2011-03-10 Sakshi Gautam

We demonstrate the role of the mass asymmetry on the balance energy (Ebal) by studying asymmetric reactions throughout the periodic table and over entire colliding geometry. Our results, which are almost independent of the system size and…

Nuclear Theory · Physics 2011-03-23 Supriya Goyal

We studied the effect of cross section on mass asymmetric systems. The mass asymmetry of a reaction can be defined by the asymmetry parameter {\eta} = |(AT - AP)/(AT + AP)|; [1] where AT and AP are the masses of the target and projectile,…

Nuclear Theory · Physics 2011-07-28 Deepinder Kaur , Varinderjit Kaur , Suneel Kumar

Peculiar phenomena have been observed in analyses of anisotropic flow ($v_n$) fluctuations in ultracentral nucleus-nucleus collisions: The fourth-order cumulant of the elliptic flow ($v_2$) distribution changes sign. In addition, the ATLAS…

The effects of size and charge asymmetry on the gas-liquid critical parameters of a primitive model (PM) of ionic fluids are studied within the framework of the statistical field theory based on the collective variables method. Recently,…

Statistical Mechanics · Physics 2013-05-29 O. V. Patsahan , T. M. Patsahan

We present a systematic study of disappearance of flow i.e. balance energy $E_{bal}$ for an isotopic series of Ca with N/Z varying from 1 to 2 for different density dependences of symmetry energies. We also extend this study for asymmetric…

Nuclear Theory · Physics 2011-12-14 Aman D. Sood

The scaling behaviors of anisotropic flows of light charged particles are studied for 25 \,MeV/nucleon $^{40}$Ca+$^{40}$Ca collisions at different impact parameters by the isospin-dependent quantum molecular dynamics model. The number of…

Nuclear Theory · Physics 2015-06-17 Tingzhi Yan , Shan Li

We aim to study the role of momentum-dependent interactions in transverse flow as well as in its disappearance. For the present study, central collisions involving mass between 24 and 394 are considered. We find that momentum-dependent…

Nuclear Theory · Physics 2015-05-18 Aman D. Sood , Rajeev K. Puri

The elliptic flow parameter (component), $v_2$, in the Fourier expansion of event-by-event charged particle multiplicity azimuthal distribution in the momentum space is studied by taking into account the multiplicity fluctuations. The…

High Energy Physics - Phenomenology · Physics 2009-12-23 Dai-Mei Zhou , Yun Cheng , Yu-Liang Yan , Bao-Guo Dong , Ben-Hao Sa , Laszlo P. Csernai

Attention is drawn to the role played by the size of the system in the thermodynamic analysis of particle yields in relativistic heavy ion collisions at SIS energies. This manifests itself in the non-linear dependence of K+ and K- yields in…

Nuclear Theory · Physics 2011-05-05 J. Cleymans , H. Oeschler , K. Redlich

We investigate the impact parameter dependence of the specific entropy S/A in relativistic heavy ion collisions. Especially the anti-Lambda/anti-proton ratio is found to be a useful tool to distinguish between chemical equilibrium…

Nuclear Theory · Physics 2007-05-23 J. Brachmann , M. Reiter , M. Bleicher , A. Dumitru , J. A. Maruhn , H. Stöcker , W. Greiner

Using the isospin-dependent quantum molecular dynamics model we study the isospin effects on the disappearance of flow for the reactions of $^{58}Ni$ + $^{58}Ni$ and $^{58}Fe$ +$^{58}Fe$ as a function of impact parameter. We found good…

Nuclear Theory · Physics 2010-06-08 Sakshi Gautam , Rajiv Chugh , Aman D. Sood , Rajeev K. Puri , Ch. Hartnack , J. Aichelin
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