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| /*===================================================================*/
/* NRDF D1225 Data No.88 */
/*===================================================================*/
/* Bibliography */
/*===================================================================*/
\\BIB,88;
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,88;
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,88;
INC-ENGY-LAB=140MEV;
/*@13@*/
J-PTY=4+'15';
/*@14@*/
THTC=13.5DEG'16';
/*@15@*/
SYS-ERR=<20%;
/*FIG.9-(11)*/
/* D1225 FIG.9-(11) */
/* FOLLOWING DATA ARE TAKEN FROM GRAPH */
/*===================================================================*/
/* Data Table */
/*===================================================================*/
\DATA;
THTC'17' DSIGMA'18' DELTA-DSIGMA'18'
(DEG) (UB/SR/SR) (UB/SR/SR)
188.178 3.874E+01 +2.966E+01-ZZZZZZZZZ
191.207 3.637E+01 +1.613E+01-2.157E+01
194.181 4.461E+01 +2.898E+01-3.248E+01
197.161 5.291E+01 +2.343E+01-2.289E+01
200.740 2.818E+01 +4.118E+01-ZZZZZZZZZ
203.894 1.150E+02 +4.530E+01-5.400E+01
207.320 2.033E+00 +4.033E+01-ZZZZZZZZZ
212.975 9.842E+01 +6.919E+01-6.678E+01
216.129 5.068E+01 +4.795E+01-ZZZZZZZZZ
218.554 1.095E+02 +4.842E+01-7.550E+01
221.618 8.705E+01 +7.160E+01-8.352E+01
297.223 2.064E+03 +XXXXXXXXX-XXXXXXXXX
299.023 1.433E+03 +2.064E+02-2.202E+02
302.469 1.439E+03 +2.614E+02-2.212E+02
305.081 1.263E+03 +1.797E+02-1.579E+02
308.555 1.110E+03 +XXXXXXXXX-XXXXXXXXX
312.120 6.323E+02 +1.664E+02-7.931E+01
314.225 8.008E+02 +2.118E+02-5.171E+01
317.387 3.988E+02 +7.243E+01-8.309E+01
321.326 2.968E+02 +1.176E+02-1.228E+02
323.904 3.078E+02 +1.368E+02-1.333E+02
326.766 6.440E+02 +1.971E+02-1.342E+02
335.993 2.735E+02 +1.629E+02-1.884E+02
338.814 6.989E+02 +1.554E+02-1.980E+02
345.888 3.736E+01 +2.212E+02-ZZZZZZZZZ
347.825 8.352E+02 +4.537E+02-2.756E+02
350.972 4.447E+02 +2.423E+02-2.969E+02
\END;
/*===================================================================*/
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