/*===================================================================*/ /* NRDF D1225 Data No.70 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,70; 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,70; 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,70; INC-ENGY-LAB=90MEV; /*@13@*/ J-PTY=3-'15'; /*@14@*/ THTC=34.5DEG'16'; /*@15@*/ SYS-ERR=<20%; /*FIG.8-(14)*/ /* D1225 FIG.8-(14) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'17' DSIGMA'18' DELTA-DSIGMA'18' (DEG) (UB/SR/SR) (UB/SR/SR) -74.302 3.033E+02 +9.277E+01-1.001E+02 -72.114 1.966E+02 +4.359E+01-3.568E+01 -69.518 2.936E+02 +6.511E+01-6.879E+01 -66.484 3.967E+02 +5.664E+01-4.956E+01 -63.444 4.387E+02 +XXXXXXXXX-XXXXXXXXX -60.407 5.362E+02 +XXXXXXXXX-XXXXXXXXX -57.355 4.108E+02 +XXXXXXXXX-XXXXXXXXX -54.753 5.021E+02 +XXXXXXXXX-XXXXXXXXX -51.275 5.195E+02 +XXXXXXXXX-XXXXXXXXX -48.232 5.198E+02 +XXXXXXXXX-XXXXXXXXX -45.181 4.118E+02 +XXXXXXXXX-XXXXXXXXX -42.138 4.120E+02 +XXXXXXXXX-XXXXXXXXX -39.530 4.262E+02 +XXXXXXXXX-XXXXXXXXX -36.047 3.609E+02 +XXXXXXXXX-XXXXXXXXX -33.006 3.991E+02 +XXXXXXXXX-XXXXXXXXX -29.962 3.863E+02 +7.014E+01-4.827E+01 -27.353 3.864E+02 +5.518E+01-4.829E+01 -24.323 5.967E+02 +XXXXXXXXX-XXXXXXXXX -20.831 3.869E+02 +7.026E+01-3.686E+01 -18.233 5.404E+02 +5.691E+01-6.753E+01 -15.634 7.301E+02 +1.043E+02-9.123E+01 -11.727 8.926E+02 +1.621E+02-1.115E+02 -9.556 9.870E+02 +1.409E+02-1.233E+02 -6.048 3.752E+02 +5.358E+01-1.065E+02 -3.019 5.990E+02 +1.327E+02-9.206E+01 0.041 3.514E+02 +5.021E+01-8.231E+01 3.091 2.878E+02 +5.226E+01-8.846E+01 6.159 1.337E+02 +4.681E+01-6.734E+01 9.191 1.931E+02 +1.049E+02-5.933E+01 12.226 2.523E+02 +9.996E+01-1.044E+02 15.270 2.441E+02 +1.203E+02-1.381E+02 18.285 6.014E+02 +3.265E+02-2.245E+02 20.480 3.087E+02 +1.520E+02-1.555E+02 24.433 8.691E+01 +6.134E+01-ZZZZZZZZZ 27.441 2.704E+02 +1.469E+02-1.317E+02 30.517 9.617E+01 +5.726E+01-ZZZZZZZZZ \END; /*===================================================================*/ |