Excitation and decay of projectile-like fragments formed in dissipative peripheral collisions at intermediate energies
R. Yanez, S. Hudan, R. Alfaro, B. Davin, Y. Larochelle, H. Xu, L. Beaulieu, T. Lefort, V. E. Viola, R. T. de Souza, T. X. Liu, X. D. Liu, W. G. Lynch, R. Shomin, W. P. Tan, M. B. Tsang, A. Vander Molen, A. Wagner, H. F. Xi, R. J. Charity, L. G. Sobotka
Abstract
Projectile-like fragments (PLF:15<=Z<=46) formed in peripheral and mid-peripheral collisions of 114Cd projectiles with 92Mo nuclei at E/A=50 MeV have been detected at very forward angles, 2.1 deg.<=thetalab<=4.2 deg. Calorimetric analysis of the charged particles observed in coincidence with the PLF reveals that the excitation of the primary PLF is strongly related to its velocity damping. Furthermore, for a given VPLF*, its excitation is not related to its size, ZPLF*. For the largest velocity damping, the excitation energy attained is large, approximately commensurate with a system at the limiting temperature
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