/*===================================================================*/ /* NRDF D1225 Data No.42 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,42; 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,42; 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,42; INC-ENGY-LAB=110MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=10.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.6-(6)*/ /* D1225 FIG.6-(6) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 31.504 2.062E+01 +2.012E+01-ZZZZZZZZZ 34.638 5.443E+01 +2.584E+01-2.862E+01 37.792 1.689E+02 +5.725E+01-6.510E+01 40.881 3.121E+02 +6.727E+01-7.907E+01 44.387 5.231E+02 +5.362E+01-9.235E+01 47.749 2.818E+02 +6.052E+01-5.722E+01 49.739 7.945E+01 +4.169E+01-3.216E+01 58.828 1.243E+02 +7.785E+01-6.533E+01 62.368 2.700E+02 +3.748E+01-4.033E+01 65.026 4.989E+02 +XXXXXXXXX-XXXXXXXXX 67.967 2.869E+02 +5.049E+01-5.825E+01 70.973 2.771E+02 +4.878E+01-3.371E+01 73.938 1.936E+02 +2.681E+01-3.931E+01 76.449 1.113E+02 +2.391E+01-2.261E+01 79.484 1.350E+02 +1.874E+01-3.419E+01 83.425 2.335E+02 +2.378E+01-2.165E+01 86.050 3.330E+02 +XXXXXXXXX-XXXXXXXXX 88.672 4.597E+02 +XXXXXXXXX-XXXXXXXXX 91.699 5.222E+02 +XXXXXXXXX-XXXXXXXXX 95.586 5.929E+02 +XXXXXXXXX-XXXXXXXXX 98.567 4.715E+02 +XXXXXXXXX-XXXXXXXXX 101.504 2.625E+02 +XXXXXXXXX-XXXXXXXXX 104.883 1.610E+02 +3.469E+01-3.261E+01 108.737 1.410E+02 +9.540E+00-2.106E+01 110.605 4.525E+02 +XXXXXXXXX-XXXXXXXXX 114.087 6.242E+02 +XXXXXXXXX-XXXXXXXXX 117.118 7.325E+02 +XXXXXXXXX-XXXXXXXXX 119.653 5.118E+02 +XXXXXXXXX-XXXXXXXXX 122.659 4.944E+02 +XXXXXXXXX-XXXXXXXXX 185.429 4.018E+02 +1.722E+02-1.114E+02 189.299 4.007E+02 +1.533E+02-8.146E+01 192.322 4.407E+02 +1.121E+02-1.220E+02 209.451 2.428E+02 +7.201E+01-4.305E+01 212.490 3.040E+02 +6.529E+01-4.566E+01 215.943 3.342E+02 +5.883E+01-4.066E+01 218.569 4.766E+02 +XXXXXXXXX-XXXXXXXXX 221.956 3.119E+02 +5.501E+01-3.786E+01 224.979 3.430E+02 +7.367E+01-4.182E+01 227.989 3.423E+02 +4.728E+01-4.163E+01 230.991 3.201E+02 +4.433E+01-3.893E+01 233.883 1.247E+02 +3.178E+01-2.205E+01 237.794 1.720E+02 +3.028E+01-4.760E+01 240.416 2.375E+02 +5.100E+01-3.560E+01 243.066 4.113E+02 +8.817E+01-5.014E+01 245.663 4.674E+02 +8.226E+01-4.332E+01 249.558 5.662E+02 +9.965E+01-6.887E+01 252.130 5.296E+02 +5.411E+01-7.913E+01 255.083 3.357E+02 +4.660E+01-4.083E+01 257.660 3.243E+02 +5.709E+01-3.016E+01 261.440 1.585E+02 +3.404E+01-1.928E+01 264.385 9.414E+01 +3.190E+01-3.034E+01 267.772 6.160E+01 +3.539E+01-1.983E+01 269.967 8.787E+01 +2.602E+01-2.634E+01 273.879 1.212E+02 +5.210E+01-8.346E+01 279.392 6.518E+01 +4.433E+01-4.283E+01 281.624 1.245E+02 +6.514E+01-4.542E+01 284.598 9.277E+01 +3.553E+01-4.102E+01 287.715 2.151E+02 +6.370E+01-6.452E+01 291.152 2.077E+02 +5.292E+01-3.103E+01 293.409 4.818E+02 +XXXXXXXXX-XXXXXXXXX 296.784 2.861E+02 +6.144E+01-5.058E+01 300.093 1.011E+02 +3.877E+01-3.031E+01 302.374 2.850E+02 +6.109E+01-5.786E+01 305.290 1.349E+02 +3.437E+01-4.046E+01 309.083 7.264E+01 +2.782E+01-2.940E+01 311.737 1.300E+02 +3.849E+01-3.289E+01 314.363 1.853E+02 +3.973E+01-2.254E+01 317.382 1.973E+02 +4.230E+01-2.400E+01 \END; /*===================================================================*/ |