/*===================================================================*/ /* NRDF D1225 Data No.5 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,5; 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,5; 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,5; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=28.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.3-(2)*/ /* D1225 FIG.3-(2) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 174.265 3.842E+01 +3.336E+01-1.977E+01 181.441 2.775E+02 +6.052E+01-7.113E+01 183.451 1.438E+03 +XXXXXXXXX-XXXXXXXXX 186.866 2.438E+03 +XXXXXXXXX-XXXXXXXXX 190.325 2.609E+03 +XXXXXXXXX-XXXXXXXXX 193.358 2.613E+03 +XXXXXXXXX-XXXXXXXXX 196.855 1.885E+03 +XXXXXXXXX-XXXXXXXXX 199.504 1.115E+03 +XXXXXXXXX-XXXXXXXXX 202.137 7.778E+02 +1.093E+02-1.179E+02 205.612 7.061E+02 +XXXXXXXXX-XXXXXXXXX 208.211 7.071E+02 +XXXXXXXXX-XXXXXXXXX 211.334 2.729E+02 +8.212E+01-2.564E+01 214.382 2.319E+02 +5.996E+01-2.863E+01 217.951 7.850E+01 +2.704E+01-3.647E+01 \END; /*===================================================================*/ |