{ "id": "nucl-th/9605015", "version": "v1", "published": "1996-05-09T15:50:26.000Z", "updated": "1996-05-09T15:50:26.000Z", "title": "Isospin dependence of collective flow in heavy-ion collisions at intermediate energies", "authors": [ "Bao-An Li", "Z. Z. Ren", "C. M. Ko", "S. J. Yennello" ], "comment": "Latex file, 9 pages, 4 figures availabe upon request; Phys. Rev. Lett. (June 3, 1996) in press", "journal": "Phys.Rev.Lett.76:4492,1996", "doi": "10.1103/PhysRevLett.76.4492", "categories": [ "nucl-th", "nucl-ex" ], "abstract": "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 collective flow in reactions $^{48}Ca+^{58}Fe$ and $^{48}Cr+^{58}Ni$, which have the same mass number but different neutron/proton ratios. The neutron-rich system ($^{48}Ca+^{58}Fe$) is found to show significantly stronger negative deflection and consequently has a higher balance energy, especially in peripheral collisions. NOTE ADDED IN PROOF: The new phenomenon predicted in this work has just been confirmed by an experiment done by G.D. Westfall et al. using the NSCL/MSU radioactive beam facility and a spartan soccer. A paper by R. Pak et al. is submitted to PRL to report the experimental result.", "revisions": [ { "version": "v1", "updated": "1996-05-09T15:50:26.000Z" } ], "analyses": { "keywords": [ "heavy-ion collisions", "intermediate energies", "isospin dependence", "nonlinear relativistic mean-field", "higher balance energy" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. Lett." }, "note": { "typesetting": "LaTeX", "pages": 9, "language": "en", "license": "arXiv", "status": "editable", "inspire": 418435 } } }