/*===================================================================*/ /* NRDF D1225 Data No.24 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,24; 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,24; 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,24; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=6+'13'; /*@11@*/ THTC=7.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.4-(10)*/ /* D1225 FIG.4-(10) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 45.484 1.630E+02 +XXXXXXXXX-XXXXXXXXX 48.869 1.095E+02 +XXXXXXXXX-XXXXXXXXX 51.843 8.395E+01 +XXXXXXXXX-XXXXXXXXX 58.506 3.792E+02 +XXXXXXXXX-XXXXXXXXX 64.273 1.318E+03 +XXXXXXXXX-XXXXXXXXX 68.097 9.453E+02 +XXXXXXXXX-XXXXXXXXX 70.257 1.008E+03 +XXXXXXXXX-XXXXXXXXX 73.114 3.395E+02 +XXXXXXXXX-XXXXXXXXX 75.681 3.069E+02 +5.488E+01-2.875E+01 78.687 2.963E+02 +3.073E+01-1.877E+01 83.894 4.099E+02 +XXXXXXXXX-XXXXXXXXX 85.323 1.099E+03 +XXXXXXXXX-XXXXXXXXX 88.768 1.132E+03 +XXXXXXXXX-XXXXXXXXX 91.769 1.057E+03 +XXXXXXXXX-XXXXXXXXX 95.214 1.090E+03 +XXXXXXXXX-XXXXXXXXX 97.313 7.575E+02 +XXXXXXXXX-XXXXXXXXX 100.277 5.438E+02 +XXXXXXXXX-XXXXXXXXX 103.242 3.904E+02 +XXXXXXXXX-XXXXXXXXX 106.284 4.903E+02 +XXXXXXXXX-XXXXXXXXX 109.355 7.501E+02 +XXXXXXXXX-XXXXXXXXX 112.851 1.110E+03 +XXXXXXXXX-XXXXXXXXX 115.917 1.643E+03 +XXXXXXXXX-XXXXXXXXX 200.925 5.526E+02 +7.771E+01-5.193E+01 203.094 6.292E+02 +8.848E+01-7.777E+01 206.936 5.148E+02 +3.501E+01-4.838E+01 209.540 6.056E+02 +XXXXXXXXX-XXXXXXXXX 212.573 7.121E+02 +XXXXXXXXX-XXXXXXXXX 214.770 9.877E+02 +XXXXXXXXX-XXXXXXXXX 218.257 1.369E+03 +XXXXXXXXX-XXXXXXXXX 220.407 1.366E+03 +XXXXXXXXX-XXXXXXXXX 224.657 9.480E+02 +XXXXXXXXX-XXXXXXXXX 227.556 4.294E+02 +XXXXXXXXX-XXXXXXXXX 230.025 1.946E+02 +XXXXXXXXX-XXXXXXXXX 233.452 1.758E+02 +XXXXXXXXX-XXXXXXXXX 236.569 3.737E+02 +XXXXXXXXX-XXXXXXXXX 239.195 5.181E+02 +XXXXXXXXX-XXXXXXXXX 242.668 6.504E+02 +XXXXXXXXX-XXXXXXXXX 245.281 8.171E+02 +XXXXXXXXX-XXXXXXXXX 248.694 6.689E+02 +XXXXXXXXX-XXXXXXXXX 251.681 5.660E+02 +XXXXXXXXX-XXXXXXXXX 254.654 4.340E+02 +XXXXXXXXX-XXXXXXXXX 257.225 4.055E+02 +XXXXXXXXX-XXXXXXXXX 260.245 4.320E+02 +XXXXXXXXX-XXXXXXXXX 263.746 6.606E+02 +XXXXXXXXX-XXXXXXXXX 266.798 8.861E+02 +XXXXXXXXX-XXXXXXXXX 268.916 7.026E+02 +XXXXXXXXX-XXXXXXXXX 273.216 7.001E+02 +XXXXXXXXX-XXXXXXXXX 275.339 5.737E+02 +XXXXXXXXX-XXXXXXXXX 282.844 1.065E+02 +5.176E+01-2.977E+01 285.471 1.476E+02 +2.652E+01-4.483E+01 287.686 2.336E+02 +3.285E+01-4.198E+01 290.640 1.570E+02 +2.208E+01-3.633E+01 293.716 2.482E+02 +2.575E+01-3.061E+01 296.777 3.556E+02 +XXXXXXXXX-XXXXXXXXX 298.992 5.626E+02 +XXXXXXXXX-XXXXXXXXX 302.756 2.632E+02 +6.803E+01-5.413E+01 305.295 1.953E+02 +2.731E+01-4.519E+01 309.286 4.579E+02 +3.114E+01-6.932E+01 312.310 5.042E+02 +8.993E+01-6.216E+01 314.423 3.868E+02 +XXXXXXXXX-XXXXXXXXX 318.220 2.278E+02 +4.971E+01-2.809E+01 320.532 7.192E+02 +1.011E+02-1.288E+02 323.464 4.101E+02 +XXXXXXXXX-XXXXXXXXX \END; /*===================================================================*/ |