Excitation and multiple dissociation of 16O, 14N and 12C projectiles at 32.5 MeV per nucleon

Quasi-elastic and deep-inelastic primary cross sections in the 20Ne+159Tb reaction at 15 MeV/u

“…2 as a dash-dotted curve is the result of a CASCADE [ 14] statistical model calculation for the QE component for 2°Ne, 19F and ~SF (50% each) and 160 as primary fragments in which an exponential excitation energy distribution in the primary fragment of the form P(E*) = ( 1/e) exp(-E*/e) was used. Such an exponential distribution of the excitation energy has been observed in particle correlation experiments [ 15,9,16 ]. Also depending on the assumed isotope distribution, the slope parameters e are found to range between 7.5 and 10 MeV.…”

Kinematic signatures of the projectile breakup process at 32.5 MeV/nucleon

“…Lopez and Randrup have suggested the possibility of distinguishing between sequential decay and multifragmentation· on. the basis of these di-fferent kinematic signatures, and have developed a numerical model for e~ch extreme [1].-In a. recent study, Pouliot et al observed the breakup of 16 0 projectiles at 32.5 MeV /nucleon into three, four, and five fragments [2]. This letter reports a comparison of the predicted kinematic signatures for sequential decay and multifragmentation with these experimental results.…”

“…2, we assume that the decay of the projectile-like source is independent of its prior inter~ction with the t~rget. The distribution of excitation energy of th~ primary oxygen for decay into a specific channel is taken directly from th~ corresponding experimental distribution.…”

Breakup of the projectile ininduced16reactions onAl<

“…So, recently, some attention has been turned to the study of projectile breakup [31,34,35,50 -56] in peripheral collisions induced by light nuclei such as ' C [50,54], 0 [31,34,35,50,51,54 -56], Ne [52], Si [53], and S [51] on difFerent targets spanning the whole stable mass range at bombarding energies from 12.5 to 94 MeV/nucleon. The projectile disassembly channels involving charged particles have been observed in those events where the total detected charge was equal to the projectile one.…”