Fragment Isospin as a Probe of Heavy-Ion Collisions
Xu, H. · Alfaro, R. · Davin, B. · Beaulieu, L. · Larochelle, Y. · Lefort, T. · Yanez, R. · de Souza, R. T. · Liu, T. X. · Liu, X. D. · Lynch, W. G. · Shomin, R. · Tan, W. P. · Tsang, M. B. · Molen, A. Vander · Wagner, A. · Xi, H. F. · Gelbke, C. K. · Charity, R. J. · Sobotka, L. G. · Botvina, A. S.
Original · EN
Isotope ratios of fragments produced at mid-rapidity in peripheral and central collisions of 114Cd ions with 92Mo and 98Mo target nuclei at E/A = 50 MeV are compared. Neutron-rich isotopes are preferentially produced in central collisions as compared to peripheral collisions. The influence of the size (A), density, N/Z, E*/A, and Eflow/A of the emitting source on the measured isotope ratios was explored by comparison with a statistical model (SMM). The mid-rapidity region associated with peripheral collisions does not appear to be neutron-enriched relative to central collisions.
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