Nuclear Fragmentation Reactions from Research to Applications

Nuclear break-up: multifragmentation
t=0 fm/c
p
pA collision
A
peripheral
AA collision
A
A ,
moderate excitation
� � P � 0
0
slow expansion
�
t>100 fm/c
equilibrated system
at freeze-out
Power-low fragment mass distribution around critical point, Y(A)~A -τ
Can be well understood within an equilibrium statistical approach
Early 80s: Randrup&Koonin, D.H.E. Gross et al, Bondorf-Mishustin-Botvina, Hahn&Stoecker;
Later: S. Das Gupta et al., Gulminelli et al, Raduta et al,...