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| /*===================================================================*/
/* NRDF D1225 Data No.49 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,49;
D#=D1225;
TITLE=/VARIOUS INTERMEDIATE CHANNELS IN THE
12C+12C->12C(G.S.)+ALPHA+8BE(G.S.) REACTION/;
PURPOSE=/THE 12C+12C->12C(G.S.)+ALPHA+8BE(G.S.) REACTION HAS BEEN
INVESTIGATED BY 12C-ALPHA COINCIDENCE MEASUREMENTS AT
INCIDENT ENERGIES OF 90, 110 AND 140 MEV. CROSS SECTIONS OF
THREE KINDS OF INTERMEDIATE CHANNELS (12C+12C*, 160*+8BE AND
ALPHA+20NE*) AND OF NON-RESONANT -PARTS LEADING TO THE SAME
12C(G.S.)+ALPHA+8BE(G.S.) FINAL CHANNEL HAVE BEEN DEDUCED.
COINCIDENCE CROSS SECTIONS WERE REPRODUCED BY DWBA
CALCULATIONS/;
ATH=(S.SHIMOURA'1',A.SAKAGUCHI'1',T.SHIMODA'2',T.FUKUDA'2',K.OGURA'2',
K.KATORI'2',H.OGATA'3');
INST-ATH=(2JPNKTO'1',2JPNOSA'2',2JPNRCN'3');
REF=NP/A;
VLP=452(1986)123;
RCTS=(12C(12C,12C,ALPHA)8BE);
PHQS=(ENGY-SPEC,DSIGMA);
/*===================================================================*/
/* Experimental Conditions */
/*===================================================================*/
\\EXP,49;
RCT=12C(12C,12C,ALPHA)8BE;
ENR=NAT;
CHM=ELM;
PHYS-FORM=SLD;
THK-TGT=1.1MG/CM**2;
BAC=SELF;
POL-TGT=0%;
ALGN-TGT=0%;
ACC=(CYC);
INST-ACC=2JPNRCN;
INC-ENGY-LAB=(90MEV,110MEV,140MEV);
CHRG-INC-ION=+4;
POL-PRJ=0%;
DET-PARTCL=(ALPHA'4',12C'5');
COINC=(ALPHA'4',12C'5');
ANT-COINC=NO;
DET-SYS=(SSD'4,5',CNTR-TLSCP'4,5',X'5,6');
/*@3@*/
SOLID-ANGL=(6MSR'4',33MSR'4',130MSR'4',12MSR'5');
ANL=(DWBA);
PHQ=(ENGY-SPEC,DSIGMA);
/*===================================================================*/
/* Descriptive Parameters */
/*===================================================================*/
\\DATA,49;
INC-ENGY-LAB=140MEV;
/*@10@*/
J-PTY=7-'13';
/*@11@*/
THTC=22.5DEG'14';
/*@12@*/
SYS-ERR=<20%;
/*FIG.7-(4)*/
/* D1225 FIG.7-(4) */
/* FOLLOWING DATA ARE TAKEN FROM GRAPH */
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
THTC'11' DSIGMA'12' DELTA-DSIGMA'12'
(DEG) (UB/SR/SR) (UB/SR/SR)
175.261 1.562E+02 +1.274E+02-9.837E+01
178.595 4.829E+02 +2.119E+02-1.792E+02
180.806 3.041E+02 +7.958E+01-1.473E+02
184.169 7.212E+02 +2.505E+02-1.493E+02
187.212 6.123E+02 +1.858E+02-2.271E+02
190.419 1.171E+02 +5.147E+01-6.593E+01
193.248 7.018E+02 +1.267E+02-1.071E+02
196.349 3.507E+02 +1.217E+02-9.896E+01
199.436 2.001E+02 +6.071E+01-8.231E+01
202.933 1.393E+02 +6.124E+01-4.256E+01
206.179 1.850E+01 +2.672E+01-ZZZZZZZZZ
208.572 1.146E+02 +4.500E+01-3.502E+01
211.579 1.355E+02 +5.957E+01-5.306E+01
214.633 1.041E+02 +3.161E+01-2.156E+01
217.230 1.009E+02 +3.506E+01-3.532E+01
220.273 8.568E+01 +3.767E+01-3.849E+01
224.158 8.879E+01 +3.084E+01-3.653E+01
226.250 1.669E+02 +5.070E+01-5.473E+01
229.286 1.514E+02 +5.957E+01-4.269E+01
231.999 5.081E+01 +2.737E+01-2.630E+01
235.823 9.248E+01 +3.636E+01-3.806E+01
238.938 4.047E+01 +2.388E+01-2.499E+01
244.179 2.471E+01 +1.868E+01-ZZZZZZZZZ
247.941 7.897E+01 +3.858E+01-5.338E+01
251.013 5.144E+01 +4.509E+01-ZZZZZZZZZ
252.694 7.921E+01 +5.545E+01-5.353E+01
256.547 1.106E+02 +5.954E+01-4.971E+01
260.037 8.227E+01 +3.225E+01-3.987E+01
262.307 3.049E+01 +1.963E+01-ZZZZZZZZZ
265.706 5.193E+01 +2.791E+01-3.452E+01
268.251 8.001E+01 +3.515E+01-4.506E+01
277.301 1.015E+02 +3.525E+01-6.633E+01
283.340 1.125E+02 +6.057E+01-5.253E+01
285.937 1.090E+02 +4.283E+01-5.815E+01
289.968 3.003E+01 +3.018E+01-ZZZZZZZZZ
292.978 3.435E+01 +2.596E+01-ZZZZZZZZZ
295.131 3.676E+01 +1.979E+01-ZZZZZZZZZ
\END;
/*===================================================================*/
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