/*===================================================================*/ /* NRDF D1225 Data No.48 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,48; 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,48; 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,48; INC-ENGY-LAB=140MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=25.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.7-(3)*/ /* D1225 FIG.7-(3) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 180.880 1.792E+02 +5.469E+01-1.320E+02 182.582 2.589E+02 +1.150E+02-1.426E+02 186.148 6.825E+01 +1.054E+02-ZZZZZZZZZ 188.707 1.090E+02 +2.785E+02-ZZZZZZZZZ 192.536 2.515E+02 +7.696E+01-8.300E+01 194.702 2.435E+02 +5.404E+01-8.571E+01 198.182 1.931E+02 +4.280E+01-7.989E+01 201.190 2.526E+02 +7.727E+01-6.551E+01 204.221 2.446E+02 +4.441E+01-7.515E+01 207.354 6.448E+01 +3.171E+01-3.553E+01 209.606 2.076E+01 +1.837E+01-ZZZZZZZZZ 214.230 1.179E+02 +2.614E+01-4.644E+01 216.414 9.040E+01 +4.009E+01-3.914E+01 219.055 5.132E+01 +3.336E+01-2.585E+01 222.104 3.936E+01 +1.745E+01-2.627E+01 225.037 1.355E+02 +6.007E+01-5.334E+01 228.576 4.986E+01 +4.415E+01-ZZZZZZZZZ 231.618 4.226E+01 +2.745E+01-ZZZZZZZZZ 233.838 2.030E+01 +1.671E+01-ZZZZZZZZZ 291.312 5.307E+01 +XXXXXXXXX-2.585E+01 \END; /*===================================================================*/ |