Nuclear Fragmentation Reactions from Research to Applications

Isoscaling and symmetry energy
ALADIN: 12 C+ 112,124 Sn A. Le Fevre et al., Phys.Rev.Lett 94, 162701 (2005)
S(N)=Y( 124 Sn)/Y( 112 Sn)=C·exp(N·α+Z·β)
S(N)
10
1
10 -1
peripheral
mid-central
central
300 MeV
0 1 2 3 4 5 6 7
Z
1
2
3
4
peripheral
mid-central
central
5 0 0.2 0.4 0.6 0.8 1
600 MeV
0 1 2 3 4 5 6 7
N
α·T ≈ -4γ (Z 1 2 /A1 2 -Z2 2 /A2 2 )
α
(MeV)
HeLi
T
(MeV)
app
γ
0.6
0.4
0.2
10
8
6
4
25
20
15
E/A (MeV)
300
600
112
Sn
124
Sn
0 0.2 0.4 0.6 0.8 1
10
0 0.2 0.4 0.6 0.8 1
1-b/b max
Most recent analysis: R. Ogul, A. Botvina, Atav, N. Buyukcizmeci et al.,
PRC 83, 023608 (2011)