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Related papers: Disappearance of Flow in Heavy-Ion Collisions for …

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For the first time, mass dependence of balance energy only for heavier systems has been studied. Our results are in excellent agreement with the data which allow us to predict the balance energy of U+U, for the first time, around 37-39…

Nuclear Theory · Physics 2011-08-23 Aman D. Sood , Rajeev K. Puri , Jorg Aichelin

We study the balance energy as a function of the composite mass of the system. The results are in very good agreement with data over a wide range of masses from very light (Ne+Al) to very heavy (Au+Au) for hard equation of state and…

Nuclear Theory · Physics 2010-04-30 Amandeep Sood , R. K. Puri

A complete theoretical study is presented for the disappearance of flow, for the first time, by analyzing 15 reactions with masses between 47 and 476 units. We demonstrate that the effect of nucleon-nucleon cross-section reduces to…

Nuclear Theory · Physics 2011-08-03 Aman D. Sood , Rajeev K. Puri

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

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

Based on the isospin-dependent quantum molecular dynamics (IQMD) picture, we attempt to understand the nature of transverse flow in $_{28}Ni^{58}+_{28}Ni^{58}$ and $_{26}Fe^{58}+_{26}Fe^{58}$ systems at wide range of energies and impact…

Nuclear Theory · Physics 2011-10-03 Varinderjit Kaur , Dolly Sood , Suneel Kumar

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

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

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 study the correlation between balance energy and transition energy of fragment in heavy-ion collisions for different systems at incident energies between 40 and 1200 MeV/nucleon using an isospin-dependent quantum molecular dynamics…

Nuclear Theory · Physics 2011-11-08 Rajni , Suneel Kumar , Rajeev K. Puri

We study the mass dependence of various quantities (like the average and maximum density, collision rate, participant-spectator matter, temperature as well as time zones for higher density) by simulating the reactions at the energy of…

Nuclear Theory · Physics 2011-02-11 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

Within the framework of an isospin-dependent Boltzmann-Uehling-Uhlenbeck (BUU) model using initial proton and neutron densities calculated from the nonlinear relativistic mean-field (RMF) theory, we compare the strength of transverse…

Nuclear Theory · Physics 2009-09-25 Bao-An Li , Z. Z. Ren , C. M. Ko , S. J. Yennello

Within the newly updated version of the ultrarelativistic quantum molecular dynamics (UrQMD) model, the transverse-velocity dependence of the elliptic flow of free nucleons from $^{197}$Au+$^{197}$Au collisions at the incident energy 400…

Nuclear Theory · Physics 2015-06-19 Yongjia Wang , Chenchen Guo , Qingfeng Li , Hongfei Zhang , Y. Leifels , W. Trautmann

We present here the system size dependence of balance energy for semi-central and peripheral collisions using quantum molecular dynamics model. For this study, the reactions of $Ne^{20}+Ne^{20}$, $Ca^{40}+Ca^{40}$, $Ni^{58}+Ni^{58}$,…

Nuclear Theory · Physics 2015-05-18 Rajiv Chugh , Rajeev K. Puri

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

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

The ratio of (pseudo)rapidity density of transverse energy and the (pseudo)rapidity density of charged particles, which is a measure of the mean transverse energy per particle, is an important observable in high energy heavy-ion collisions,…

High Energy Physics - Phenomenology · Physics 2018-03-06 Swatantra Kumar Tiwari , Raghunath Sahoo

Light nuclei and hyper-nuclei are produced in abundance in heavy-ion collisions. The production mechanism of these species in heavy-ion collisions still remains to be understood. In these proceedings, we report the transverse momentum and…

Nuclear Experiment · Physics 2023-03-22 Rishabh Sharma

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
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