/*===================================================================*/ /* NRDF D1225 Data No.11 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,11; 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,11; 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,11; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=10.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.3-(8)*/ /* D1225 FIG.3-(8) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 30.214 6.857E+01 +6.501E+01-3.456E+01 32.222 2.066E+02 +5.461E+01-6.817E+01 35.258 1.533E+02 +6.074E+01-5.397E+01 38.801 6.039E+01 +4.617E+01-2.842E+01 47.930 6.950E+02 +XXXXXXXXX-XXXXXXXXX 50.567 4.082E+02 +XXXXXXXXX-XXXXXXXXX 53.603 3.030E+02 +XXXXXXXXX-XXXXXXXXX 56.244 1.721E+02 +5.267E+01-1.106E+01 60.125 1.413E+02 +2.018E+01-4.492E-02 63.492 2.337E+02 +XXXXXXXXX-XXXXXXXXX 65.937 6.588E+02 +XXXXXXXXX-XXXXXXXXX 68.945 6.177E+02 +XXXXXXXXX-XXXXXXXXX 71.916 7.819E+02 +XXXXXXXXX-XXXXXXXXX 74.540 5.077E+02 +XXXXXXXXX-XXXXXXXXX 78.017 3.410E+02 +XXXXXXXXX-XXXXXXXXX 81.082 2.004E+02 +XXXXXXXXX-XXXXXXXXX 84.074 2.147E+02 +XXXXXXXXX-XXXXXXXXX 86.568 4.055E+02 +XXXXXXXXX-XXXXXXXXX 89.939 6.486E+02 +XXXXXXXXX-XXXXXXXXX 92.894 9.384E+02 +XXXXXXXXX-XXXXXXXXX 95.865 1.188E+03 +XXXXXXXXX-XXXXXXXXX 99.285 1.273E+03 +XXXXXXXXX-XXXXXXXXX 102.342 7.998E+02 +XXXXXXXXX-XXXXXXXXX 105.366 6.561E+02 +9.345E+01-4.236E+01 108.402 4.870E+02 +6.937E+01-7.484E+01 111.361 6.814E+02 +7.199E+01-8.496E+01 114.765 8.346E+02 +8.758E+01-1.283E+02 117.381 5.793E+02 +6.079E+01-1.911E+02 188.558 4.374E+02 +1.151E+02-1.026E+02 192.982 4.692E+03 +XXXXXXXXX-XXXXXXXXX 194.578 1.237E+04 +XXXXXXXXX-XXXXXXXXX 197.582 1.199E+04 +XXXXXXXXX-XXXXXXXXX 201.088 6.374E+03 +XXXXXXXXX-XXXXXXXXX 203.761 2.773E+03 +XXXXXXXXX-XXXXXXXXX 206.822 1.685E+03 +XXXXXXXXX-XXXXXXXXX 209.895 9.260E+02 +XXXXXXXXX-XXXXXXXXX 212.911 8.121E+02 +1.160E+02-1.476E+02 215.458 9.940E+02 +XXXXXXXXX-XXXXXXXXX 219.217 2.220E+03 +XXXXXXXXX-XXXXXXXXX 222.629 2.544E+03 +XXXXXXXXX-XXXXXXXXX 224.347 2.464E+03 +XXXXXXXXX-XXXXXXXXX 227.351 2.388E+03 +XXXXXXXXX-XXXXXXXXX 231.359 6.967E+02 +XXXXXXXXX-XXXXXXXXX 233.558 4.374E+02 +XXXXXXXXX-XXXXXXXXX 236.599 3.140E+02 +1.065E+01-2.991E+01 239.586 3.478E+02 +6.316E+01-1.226E+01 244.239 5.758E+02 +XXXXXXXXX-XXXXXXXXX 246.798 6.376E+02 +XXXXXXXXX-XXXXXXXXX 248.504 6.825E+02 +XXXXXXXXX-XXXXXXXXX 251.504 6.840E+02 +XXXXXXXXX-XXXXXXXXX 254.965 5.251E+02 +XXXXXXXXX-XXXXXXXXX 258.046 2.700E+02 +3.846E+01-1.735E+01 261.054 2.531E+02 +2.665E+01-3.156E+01 264.409 4.627E+02 +XXXXXXXXX-XXXXXXXXX 267.396 5.125E+02 +XXXXXXXXX-XXXXXXXXX 270.775 7.669E+02 +XXXXXXXXX-XXXXXXXXX 272.477 8.487E+02 +XXXXXXXXX-XXXXXXXXX 273.392 5.323E+02 +XXXXXXXXX-XXXXXXXXX 276.436 3.696E+02 +6.711E+01-4.618E+01 279.966 1.609E+02 +2.909E+01-4.568E+01 282.595 1.010E+02 +3.993E+01-4.565E+01 288.300 3.372E+01 +3.426E+01-1.754E+01 291.455 3.163E+02 +7.011E+01-6.589E+01 293.933 6.827E+02 +1.794E+02-1.239E+02 296.863 1.207E+03 +XXXXXXXXX-XXXXXXXXX 300.736 1.059E+03 +XXXXXXXXX-XXXXXXXXX 303.756 8.981E+02 +1.631E+02-8.582E+01 306.458 3.093E+02 +8.139E+01-1.021E+02 308.984 4.474E+02 +8.106E+01-1.427E+01 312.723 1.181E+03 +XXXXXXXXX-XXXXXXXXX 315.673 1.766E+03 +XXXXXXXXX-XXXXXXXXX 318.632 2.472E+03 +XXXXXXXXX-XXXXXXXXX 320.824 1.659E+03 +1.145E+02-3.001E+02 \END; /*===================================================================*/ |