/*===================================================================*/ /* NRDF D1225 Data No.71 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,71; 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,71; 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,71; INC-ENGY-LAB=90MEV; /*@13@*/ J-PTY=3-'15'; /*@14@*/ THTC=31.5DEG'16'; /*@15@*/ SYS-ERR=<20%; /*FIG.8-(15)*/ /* D1225 FIG.8-(15) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'17' DSIGMA'18' DELTA-DSIGMA'18' (DEG) (UB/SR/SR) (UB/SR/SR) -69.651 1.819E+02 +XXXXXXXXX-7.486E+01 -67.083 2.897E+02 +8.793E+01-4.415E+01 -63.970 2.017E+02 +3.634E+01-3.641E+01 -61.441 4.330E+02 +XXXXXXXXX-XXXXXXXXX -57.461 3.223E+02 +XXXXXXXXX-XXXXXXXXX -54.859 3.939E+02 +XXXXXXXXX-XXXXXXXXX -51.798 4.081E+02 +XXXXXXXXX-XXXXXXXXX -49.162 3.827E+02 +XXXXXXXXX-XXXXXXXXX -45.187 2.944E+02 +XXXXXXXXX-XXXXXXXXX -42.594 3.846E+02 +XXXXXXXXX-XXXXXXXXX -39.537 4.118E+02 +XXXXXXXXX-XXXXXXXXX -36.476 4.267E+02 +XXXXXXXXX-XXXXXXXXX -33.448 5.762E+02 +XXXXXXXXX-XXXXXXXXX -29.945 5.777E+02 +XXXXXXXXX-XXXXXXXXX -27.339 6.831E+02 +XXXXXXXXX-XXXXXXXXX -23.802 5.254E+02 +XXXXXXXXX-XXXXXXXXX -20.770 6.864E+02 +XXXXXXXXX-XXXXXXXXX -17.718 7.598E+02 +XXXXXXXXX-XXXXXXXXX -15.056 5.840E+02 +8.276E+01-5.526E+01 -12.875 6.251E+02 +6.554E+01-1.292E+02 -8.972 8.446E+02 +1.522E+02-1.285E+02 -5.847 5.324E+02 +1.387E+02-8.142E+01 -3.173 3.705E+02 +5.250E+01-7.669E+01 -0.082 3.044E+02 +6.694E+01-3.778E+01 3.473 2.051E+02 +4.510E+01-4.250E+01 7.014 1.526E+02 +3.976E+01-6.576E+01 8.898 5.471E+01 +4.461E+01-ZZZZZZZZZ 12.385 6.262E+01 +6.294E+01-ZZZZZZZZZ 18.520 6.085E+01 +4.254E+01-ZZZZZZZZZ 21.598 5.522E+01 +4.503E+01-ZZZZZZZZZ 24.029 2.540E+02 +1.117E+02-XXXXXXXXX 27.197 1.149E+02 +5.617E+01-7.640E+01 \END; /*===================================================================*/ |