/*===================================================================*/ /* NRDF D1225 Data No.79 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,79; 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,79; 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,79; INC-ENGY-LAB=140MEV; /*@13@*/ J-PTY=4+'15'; /*@14@*/ THTC=40.5DEG'16'; /*@15@*/ SYS-ERR=<20%; /*FIG.9-(2)*/ /* D1225 FIG.9-(2) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'17' DSIGMA'18' DELTA-DSIGMA'18' (DEG) (UB/SR/SR) (UB/SR/SR) 139.120 5.849E+00 +5.127E+00-ZZZZZZZZZ 145.141 9.332E+00 +1.067E+01-ZZZZZZZZZ 148.531 2.070E+01 +1.114E+01-1.442E+01 151.149 1.700E+01 +8.297E+00-1.184E+01 154.574 2.620E+01 +1.408E+01-1.314E+01 157.775 4.386E+00 +1.006E+01-ZZZZZZZZZ 160.280 1.187E+01 +8.973E+00-ZZZZZZZZZ 163.172 5.278E+01 +2.841E+01-2.557E+01 168.922 1.503E+01 +1.226E+01-ZZZZZZZZZ 170.552 4.490E+01 +2.897E+01-3.034E+01 277.406 2.186E+02 +4.808E+01-5.090E+01 281.302 2.265E+02 +4.980E+01-3.457E+01 284.312 2.861E+02 +4.053E+01-5.157E+01 286.889 3.613E+02 +5.129E+01-4.483E+01 289.551 1.865E+02 +3.370E+01-1.765E+01 292.992 2.436E+02 +5.363E+01-3.718E+01 295.600 2.208E+02 +2.313E+01-2.089E+01 298.645 1.938E+02 +2.751E+01-2.405E+01 302.173 1.001E+02 +2.204E+01-2.330E+01 305.208 9.698E+01 +2.534E+01-1.480E+01 308.222 1.185E+02 +2.606E+01-2.136E+01 311.270 1.006E+02 +2.625E+01-1.813E+01 313.448 8.821E+01 +2.674E+01-1.590E+01 317.297 1.502E+02 +3.303E+01-2.290E+01 319.651 2.060E+01 +1.109E+01-1.456E+01 323.026 5.395E+01 +2.634E+01-2.220E+01 325.625 5.403E+01 +3.477E+01-2.796E+01 329.514 5.980E+01 +3.531E+01-3.189E+01 332.170 3.299E+01 +1.776E+01-1.541E+01 335.174 4.452E+01 +3.367E+01-2.572E+01 337.003 1.596E+01 +2.863E+01-1.186E+01 343.913 2.020E+01 +2.031E+01-ZZZZZZZZZ 350.407 2.096E+01 +1.837E+01-ZZZZZZZZZ 356.400 4.505E+01 +4.832E+01-ZZZZZZZZZ 358.993 4.820E+01 +4.845E+01-ZZZZZZZZZ 371.424 1.951E+02 +1.475E+02-ZZZZZZZZZ \END; /*===================================================================*/ |