/*===================================================================*/ /* NRDF D1225 Data No.66 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,66; 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,66; 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,66; INC-ENGY-LAB=90MEV; /*@13@*/ J-PTY=4+'15'; /*@14@*/ THTC=16.5DEG'16'; /*@15@*/ SYS-ERR=<20%; /*FIG.8-(10)*/ /* D1225 FIG.8-(10) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'17' DSIGMA'18' DELTA-DSIGMA'18' (DEG) (UB/SR/SR) (UB/SR/SR) 180.541 7.970E+01 +4.368E+01-5.252E+01 183.985 2.299E+01 +1.772E+01-ZZZZZZZZZ 186.988 1.299E+01 +2.383E+01-ZZZZZZZZZ 189.512 6.976E+01 +2.464E+01-2.619E+01 192.082 4.821E+01 +2.157E+01-2.099E+01 196.343 7.468E+01 +1.981E+01-1.950E+01 199.328 9.141E+01 +2.425E+01-2.386E+01 201.882 1.280E+02 +3.395E+01-1.611E+01 204.867 1.566E+02 +4.157E+01-2.861E+01 208.707 1.854E+02 +4.142E+01-2.869E+01 210.858 9.156E+01 +2.045E+01-1.417E+01 213.412 1.326E+02 +2.426E+01-3.784E+01 216.824 1.569E+02 +4.164E+01-4.479E+01 221.130 3.345E+01 +3.205E+01-ZZZZZZZZZ 222.399 5.728E+01 +3.139E+01-3.493E+01 288.526 1.007E+03 +1.844E+02-1.557E+02 291.939 1.192E+03 +XXXXXXXXX-XXXXXXXXX 294.938 7.700E+02 +XXXXXXXXX-XXXXXXXXX 297.079 6.088E+02 +XXXXXXXXX-XXXXXXXXX 301.338 1.009E+03 +XXXXXXXXX-XXXXXXXXX 303.897 1.154E+03 +XXXXXXXXX-XXXXXXXXX 307.309 1.413E+03 +XXXXXXXXX-XXXXXXXXX 310.300 1.278E+03 +XXXXXXXXX-XXXXXXXXX 313.721 1.045E+03 +XXXXXXXXX-XXXXXXXXX 316.293 6.982E+02 +1.004E+02-6.698E+01 319.283 6.754E+02 +1.509E+02-8.494E+01 321.848 5.907E+02 +8.505E+01-3.837E+01 328.687 4.518E+02 +1.596E+02-1.696E+02 331.676 4.520E+02 +1.199E+02-1.291E+02 334.677 2.731E+02 +1.222E+02-7.130E+01 337.706 4.601E+01 +1.136E+02-ZZZZZZZZZ 340.224 3.344E+02 +1.336E+02-1.034E+02 344.072 2.735E+02 +1.093E+02-9.684E+01 346.203 3.236E+02 +1.448E+02-1.074E+02 \END; /*===================================================================*/ |