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Isospin Distillation Mechanism:Isospin Distillation Mechanism:““direction” of the spinodal unstable modedirection” of the spinodal unstable mode
!
SYME~
y = proton fraction
ISO
SP
IN D
IFF
US
ION
WIT
H D
EN
SIT
Y
GR
AD
IEN
TS
AS
YS
OF
TS
UP
ER
AS
YS
TIF
F
np
np
124Sn
112Sn
No
-neutrons migrate from
PL
F (
124Sn) to T
LF
(112S
n)W
ith -neutrons from
PL
F and T
LF
migrate tow
ards neck region!
TPPTPgasPLF IIII
Ip
roj
Itar
IP
T
IT
P
Igas P
Iga s T
I0 P
I0 T
ISO
SP
IN E
QU
ILIB
RA
TIO
N A
T F
ER
MI E
NE
RG
IES
b=8fm
b=9 fm
b=10fm
120fm/c
100fm/c
80fm/c
30°
Mid-Rapidity
VCM Vp
--Exp. Data Slope=0.22
--BNV-Th. Slope=0.32
PLF residues
2<Z<13
Vp/2
BNV-Th +%10
VV
BNV+fluct..cMeV /1000
P T IMFPLF
TLF
REVERSE –CHIMERA EXP. LNS 2003 (preliminary):COMPARISON WITH BNV STOCHASTIC MEAN-FIELD