/*===================================================================*/ /* NRDF D1225 Data No.54 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,54; 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,54; 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,54; INC-ENGY-LAB=140MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=7.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.7-(9)*/ /* D1225 FIG.7-(9) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 45.184 2.288E+02 +7.019E+01-5.362E+01 48.622 2.535E+02 +5.620E+01-5.287E+01 51.248 1.759E+02 +4.635E+01-4.991E+01 54.849 4.340E+01 +2.138E+01-2.114E+01 57.428 4.647E+01 +2.291E+01-2.491E+01 63.804 1.075E+02 +5.839E+01-5.051E+01 66.801 1.316E+02 +4.610E+01-4.347E+01 69.452 7.228E+01 +2.864E+01-3.264E+01 72.372 1.783E+02 +5.444E+01-2.493E-01 75.785 2.495E+02 +7.645E+01-6.474E+01 78.393 2.046E+02 +3.715E+01-6.282E+01 81.860 1.735E+02 +6.086E+01-3.619E+01 85.751 1.574E+02 +4.811E+01-2.419E+01 88.037 4.741E+01 +2.825E+01-3.165E+01 90.555 8.953E+01 +2.356E+01-2.539E+01 93.939 1.636E+02 +2.331E+01-3.837E+01 96.428 4.035E+02 +XXXXXXXXX-XXXXXXXXX 100.297 4.471E+02 +XXXXXXXXX-XXXXXXXXX 102.463 4.051E+02 +XXXXXXXXX-XXXXXXXXX 105.492 3.672E+02 +XXXXXXXXX-XXXXXXXXX 108.535 2.913E+02 +XXXXXXXXX-XXXXXXXXX 112.016 2.162E+02 +XXXXXXXXX-XXXXXXXXX 114.248 1.074E+02 +2.827E+01-3.547E+01 116.838 1.041E+02 +4.135E+01-4.095E+01 201.632 3.780E+02 +1.499E+02-1.489E+02 204.150 7.139E+02 +1.879E+02-6.765E+01 207.592 7.649E+02 +1.696E+02-7.287E+01 211.146 2.913E+02 +1.019E+02-4.476E+01 214.203 2.022E+02 +8.966E+01-5.736E+01 217.789 5.700E+01 +2.528E+01-4.552E+01 220.249 1.836E+02 +6.440E+01-4.302E+01 223.278 1.664E+02 +3.023E+01-3.900E+01 226.223 3.251E+02 +XXXXXXXXX-XXXXXXXXX 229.267 2.579E+02 +XXXXXXXXX-XXXXXXXXX 232.690 3.265E+02 +XXXXXXXXX-XXXXXXXXX 235.288 2.958E+02 +XXXXXXXXX-XXXXXXXXX 237.903 2.269E+02 +XXXXXXXXX-XXXXXXXXX 240.917 2.351E+02 +XXXXXXXXX-XXXXXXXXX 244.395 1.804E+02 +3.999E+01-2.259E+01 247.391 2.208E+02 +4.010E+01-4.012E+01 250.405 2.288E+02 +3.260E+01-3.526E+01 253.437 2.006E+02 +3.622E+01-4.174E+01 256.419 2.806E+02 +6.210E+01-5.091E+01 259.846 3.435E+02 +4.895E+01-1.931E-01 262.900 2.465E+02 +3.521E+01-6.406E+01 265.954 1.769E+02 +3.207E+01-3.690E+01 268.986 1.551E+02 +4.071E+01-2.811E+01 271.127 1.775E+02 +3.224E+01-5.034E+01 274.652 8.828E+01 +3.089E+01-3.651E+01 278.510 1.081E+02 +4.279E+01-4.685E+01 280.637 1.414E+02 +4.943E+01-5.574E+01 283.959 4.557E+02 +1.010E+02-5.706E+01 286.629 2.119E+02 +5.568E+01-5.497E+01 290.491 2.510E+02 +5.539E+01-3.857E+01 293.480 3.284E+02 +7.259E+01-3.129E+01 296.164 1.336E+02 +2.953E+01-3.789E+01 298.287 1.807E+02 +5.529E+01-5.552E+01 301.805 9.605E+01 +3.365E+01-3.971E+01 305.376 3.095E+01 +2.363E+01-2.067E+01 307.681 4.187E+02 +7.618E+01-9.811E+01 310.264 4.337E+02 +1.330E+02-9.034E+01 314.126 5.137E+02 +1.354E+02-6.419E+01 316.325 3.447E+02 +7.653E+01-6.239E+01 320.313 1.270E+02 +2.806E+01-6.187E+01 322.849 2.029E+02 +5.340E+01-7.146E+01 \END; /*===================================================================*/ |