/*===================================================================*/ /* NRDF D1225 Data No.84 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,84; 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,84; 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,84; INC-ENGY-LAB=140MEV; /*@13@*/ J-PTY=4+'15'; /*@14@*/ THTC=25.5DEG'16'; /*@15@*/ SYS-ERR=<20%; /*FIG.9-(7)*/ /* D1225 FIG.9-(7) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'17' DSIGMA'18' DELTA-DSIGMA'18' (DEG) (UB/SR/SR) (UB/SR/SR) 161.314 1.445E+01 +XXXXXXXXX-XXXXXXXXX 163.887 2.087E+01 +XXXXXXXXX-9.801E+00 166.031 2.820E+01 +XXXXXXXXX-8.659E+00 169.037 3.940E+01 +XXXXXXXXX-1.850E+01 172.049 4.818E+01 +XXXXXXXXX-XXXXXXXXX 175.911 7.956E+01 +XXXXXXXXX-XXXXXXXXX 178.481 1.229E+02 +XXXXXXXXX-XXXXXXXXX 181.526 7.454E+01 +XXXXXXXXX-1.355E+01 184.094 1.190E+02 +XXXXXXXXX-XXXXXXXXX 187.562 8.533E+01 +XXXXXXXXX-2.421E+01 190.578 9.759E+01 +XXXXXXXXX-3.220E+01 193.158 1.193E+02 +XXXXXXXXX-3.385E+01 196.167 1.560E+02 +3.459E+01-3.654E+01 199.205 1.118E+02 +2.032E+01-2.030E+01 202.237 8.858E+01 +1.964E+01-3.306E+01 288.039 7.182E+02 +XXXXXXXXX-XXXXXXXXX 290.172 1.226E+03 +XXXXXXXXX-XXXXXXXXX 293.200 1.074E+03 +XXXXXXXXX-XXXXXXXXX 296.226 9.721E+02 +XXXXXXXXX-XXXXXXXXX 299.693 7.206E+02 +XXXXXXXXX-XXXXXXXXX 302.732 4.996E+02 +XXXXXXXXX-XXXXXXXXX 305.319 5.345E+02 +XXXXXXXXX-XXXXXXXXX 308.351 4.235E+02 +XXXXXXXXX-XXXXXXXXX 312.234 4.383E+02 +XXXXXXXXX-XXXXXXXXX 314.413 2.842E+02 +XXXXXXXXX-XXXXXXXXX 317.427 3.361E+02 +XXXXXXXXX-XXXXXXXXX 320.881 3.254E+02 +5.908E+01-3.100E+01 323.918 2.333E+02 +3.331E+01-6.618E+01 325.661 1.672E+02 +5.118E+01-3.033E+01 329.542 1.789E+02 +3.966E+01-4.641E+01 333.033 8.038E+01 +4.366E+01-3.914E+01 336.029 1.372E+02 +6.084E+01-4.831E+01 338.203 9.835E+01 +3.445E+01-4.255E+01 341.250 5.771E+01 +4.751E+01-2.709E+01 345.072 2.195E+02 +8.702E+01-9.079E+01 348.128 1.054E+02 +6.840E+01-6.538E+01 350.793 2.126E+01 +4.485E+01-ZZZZZZZZZ 353.344 4.900E+01 +3.740E+01-ZZZZZZZZZ 356.738 1.743E+02 +6.906E+01-1.144E+02 \END; /*===================================================================*/ |