/*===================================================================*/ /* NRDF D1225 Data No.22 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,22; 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,22; 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,22; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=6+'13'; /*@11@*/ THTC=13.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.4-(8)*/ /* D1225 FIG.4-(8) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 58.190 1.721E+02 +XXXXXXXXX-XXXXXXXXX 60.789 2.093E+02 +5.438E+01-6.354E+01 63.894 4.449E+02 +9.709E+01-7.970E+01 67.009 1.010E+03 +XXXXXXXXX-XXXXXXXXX 69.561 8.837E+02 +XXXXXXXXX-XXXXXXXXX 73.031 1.185E+03 +XXXXXXXXX-XXXXXXXXX 76.031 1.182E+03 +XXXXXXXXX-XXXXXXXXX 78.542 7.690E+02 +XXXXXXXXX-XXXXXXXXX 81.482 5.002E+02 +XXXXXXXXX-XXXXXXXXX 84.754 1.630E+02 +9.534E+01-4.961E+01 87.689 1.026E+02 +3.525E+01-2.631E+01 181.853 9.191E+02 +3.580E+02-3.392E+02 184.078 1.659E+03 +3.606E+02-6.461E+02 187.843 8.563E+02 +1.204E+02-1.534E+02 190.414 8.545E+02 +XXXXXXXXX-1.051E+02 192.976 7.984E+02 +5.400E+01-9.845E+01 195.971 7.707E+02 +1.084E+02-7.243E+01 199.828 7.682E+02 +XXXXXXXXX-XXXXXXXXX 202.376 6.503E+02 +XXXXXXXXX-XXXXXXXXX 205.325 4.517E+02 +XXXXXXXXX-XXXXXXXXX 208.675 2.575E+02 +XXXXXXXXX-XXXXXXXXX 212.108 2.654E+02 +XXXXXXXXX-XXXXXXXXX 214.702 3.121E+02 +XXXXXXXXX-XXXXXXXXX 217.798 6.214E+02 +XXXXXXXXX-XXXXXXXXX 219.950 6.624E+02 +XXXXXXXXX-XXXXXXXXX 223.788 5.789E+02 +XXXXXXXXX-XXXXXXXXX 227.225 6.166E+02 +XXXXXXXXX-XXXXXXXXX 229.705 3.186E+02 +XXXXXXXXX-XXXXXXXXX 233.133 3.177E+02 +XXXXXXXXX-XXXXXXXXX 236.059 1.872E+02 +XXXXXXXXX-XXXXXXXXX 238.584 1.345E+02 +XXXXXXXXX-XXXXXXXXX 242.049 1.745E+02 +XXXXXXXXX-XXXXXXXXX 244.270 3.046E+02 +XXXXXXXXX-XXXXXXXXX 247.799 6.265E+02 +XXXXXXXXX-XXXXXXXXX 250.803 6.458E+02 +XXXXXXXXX-XXXXXXXXX 253.388 7.113E+02 +XXXXXXXXX-XXXXXXXXX 256.328 4.627E+02 +XXXXXXXXX-XXXXXXXXX 260.148 3.545E+02 +XXXXXXXXX-XXXXXXXXX 262.582 1.318E+02 +1.854E+01-1.243E+01 265.913 6.588E+01 +2.570E+01-1.850E+01 268.595 1.448E+02 +1.502E+01-9.746E+01 271.626 1.818E+02 +4.709E+01-5.935E+01 275.096 2.438E+02 +7.341E+01-5.635E+01 277.372 6.319E+02 +XXXXXXXXX-XXXXXXXXX 280.371 6.303E+02 +XXXXXXXXX-XXXXXXXXX 283.850 9.026E+02 +XXXXXXXXX-XXXXXXXXX 286.740 4.088E+02 +5.734E+01-5.041E+01 289.324 4.503E+02 +XXXXXXXXX-XXXXXXXXX 292.610 1.619E+02 +8.642E+01-XXXXXXXXX 295.578 1.283E+02 +5.588E+01-4.997E+01 298.310 4.049E+02 +XXXXXXXXX-XXXXXXXXX 300.991 8.900E+02 +XXXXXXXXX-XXXXXXXXX 304.037 1.234E+03 +XXXXXXXXX-XXXXXXXXX 307.045 1.314E+03 +XXXXXXXXX-XXXXXXXXX 309.607 1.228E+03 +XXXXXXXXX-XXXXXXXXX 313.778 5.376E+02 +XXXXXXXXX-XXXXXXXXX \END; /*===================================================================*/ |