/*===================================================================*/ /* NRDF D1225 Data No.8 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,8; 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,8; 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,8; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=19.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.3-(5)*/ /* D1225 FIG.3-(5) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 37.484 1.201E+02 +6.962E+01-6.703E+01 40.059 3.098E+02 +5.494E+01-6.330E+01 42.645 4.024E+02 +XXXXXXXXX-XXXXXXXXX 45.666 4.158E+02 +XXXXXXXXX-XXXXXXXXX 49.130 2.028E+02 +XXXXXXXXX-XXXXXXXXX 52.598 8.398E+01 +2.157E+01-2.535E+01 55.621 7.371E+01 +1.596E+01-1.695E+01 57.769 1.417E+02 +XXXXXXXXX-XXXXXXXXX 61.641 3.313E+02 +XXXXXXXXX-XXXXXXXXX 64.661 3.538E+02 +XXXXXXXXX-XXXXXXXXX 67.250 3.778E+02 +XXXXXXXXX-XXXXXXXXX 70.272 3.779E+02 +XXXXXXXXX-XXXXXXXXX 73.299 2.554E+02 +1.725E+01-3.126E+01 76.765 1.205E+02 +3.599E+01-2.772E+01 79.347 1.968E+02 +4.260E+01-3.503E+01 83.229 2.395E+02 +4.246E+01-5.509E+01 85.817 2.642E+02 +4.687E+01-6.076E+01 88.829 4.757E+02 +4.897E+01-1.212E+02 182.536 4.422E+01 +1.912E+01-2.266E+01 186.367 1.279E+03 +XXXXXXXXX-XXXXXXXXX 188.938 4.282E+03 +XXXXXXXXX-XXXXXXXXX 192.387 5.562E+03 +XXXXXXXXX-XXXXXXXXX 195.844 4.427E+03 +XXXXXXXXX-XXXXXXXXX 198.442 2.713E+03 +XXXXXXXXX-XXXXXXXXX 201.470 1.775E+03 +XXXXXXXXX-XXXXXXXXX 204.064 1.412E+03 +XXXXXXXXX-XXXXXXXXX 207.098 6.244E+02 +XXXXXXXXX-XXXXXXXXX 210.126 4.221E+02 +7.489E+01-3.938E+01 213.137 8.113E+02 +XXXXXXXXX-XXXXXXXXX 216.587 9.873E+02 +XXXXXXXXX-XXXXXXXXX 219.609 9.558E+02 +XXXXXXXXX-XXXXXXXXX 222.630 1.021E+03 +XXXXXXXXX-XXXXXXXXX 225.223 8.392E+02 +XXXXXXXXX-XXXXXXXXX 228.247 7.129E+02 +XXXXXXXXX-XXXXXXXXX 231.281 3.257E+02 +XXXXXXXXX-XXXXXXXXX 234.306 2.592E+02 +3.617E+01-3.175E+01 236.465 2.509E+02 +4.451E+01-2.341E+01 240.353 2.063E+02 +3.660E+01-2.527E+01 243.375 2.064E+02 +2.124E+01-2.527E+01 245.548 8.271E+01 +3.969E+01-2.682E+01 248.586 2.816E+01 +2.775E+01-1.530E+01 294.310 2.073E+02 +3.678E+01-3.690E+01 297.320 4.396E+02 +4.525E+01-7.822E+01 300.757 1.171E+03 +2.536E+02-1.435E+02 303.788 6.725E+02 +1.193E+02-4.252E+01 306.384 4.399E+02 +XXXXXXXXX-XXXXXXXXX 309.411 3.280E+02 +5.818E+01-3.061E+01 \END; /*===================================================================*/ |