/*===================================================================*/ /* NRDF D1225 Data No.23 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,23; 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,23; 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,23; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=6+'13'; /*@11@*/ THTC=10.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.4-(9)*/ /* D1225 FIG.4-(9) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 58.895 1.420E+03 +XXXXXXXXX-XXXXXXXXX 61.804 6.797E+02 +XXXXXXXXX-XXXXXXXXX 64.310 3.977E+02 +XXXXXXXXX-XXXXXXXXX 67.172 1.364E+02 +XXXXXXXXX-2.474E+01 70.705 2.651E+02 +XXXXXXXXX-XXXXXXXXX 73.799 4.820E+02 +XXXXXXXXX-XXXXXXXXX 76.851 6.492E+02 +XXXXXXXXX-XXXXXXXXX 79.089 1.222E+03 +XXXXXXXXX-XXXXXXXXX 82.955 1.178E+03 +XXXXXXXXX-XXXXXXXXX 85.938 9.616E+02 +XXXXXXXXX-XXXXXXXXX 88.046 7.109E+02 +XXXXXXXXX-XXXXXXXXX 91.390 3.518E+02 +XXXXXXXXX-XXXXXXXXX 95.260 3.507E+02 +XXXXXXXXX-XXXXXXXXX 97.822 3.062E+02 +XXXXXXXXX-XXXXXXXXX 100.916 5.568E+02 +XXXXXXXXX-XXXXXXXXX 103.149 1.013E+03 +XXXXXXXXX-XXXXXXXXX 191.736 9.103E+02 +1.657E+02-3.199E+02 194.668 5.149E+02 +1.806E+02-1.578E+02 197.660 4.495E+02 +1.185E+02-4.267E+01 200.694 5.297E+02 +7.542E+01-5.029E+01 203.801 1.065E+03 +1.520E+02-1.011E+02 206.779 8.409E+02 +XXXXXXXXX-XXXXXXXXX 209.803 9.271E+02 +XXXXXXXXX-XXXXXXXXX 213.235 8.648E+02 +XXXXXXXXX-XXXXXXXXX 215.801 7.807E+02 +XXXXXXXXX-XXXXXXXXX 218.751 5.047E+02 +XXXXXXXXX-XXXXXXXXX 221.290 3.730E+02 +XXXXXXXXX-XXXXXXXXX 224.754 4.394E+02 +XXXXXXXXX-XXXXXXXXX 227.311 3.711E+02 +XXXXXXXXX-XXXXXXXXX 230.349 4.522E+02 +XXXXXXXXX-XXXXXXXXX 233.383 5.330E+02 +XXXXXXXXX-XXXXXXXXX 237.290 6.938E+02 +XXXXXXXXX-XXXXXXXXX 240.708 5.855E+02 +XXXXXXXXX-XXXXXXXXX 243.223 3.662E+02 +5.229E+01-2.352E+01 246.206 2.990E+02 +4.294E+01-2.829E+01 249.147 1.808E+02 +4.008E+01-2.259E+01 251.810 3.290E+02 +3.463E+01-4.100E+01 254.460 5.415E+02 +9.830E+01-6.765E+01 257.531 8.334E+02 +XXXXXXXXX-XXXXXXXXX 261.392 7.771E+02 +XXXXXXXXX-XXXXXXXXX 264.388 7.013E+02 +XXXXXXXXX-XXXXXXXXX 266.927 5.183E+02 +XXXXXXXXX-XXXXXXXXX 269.901 3.959E+02 +4.152E+01-2.555E+01 272.731 1.075E+02 +4.246E+01-4.853E+01 276.125 7.677E+01 +3.776E+01-5.208E+01 281.410 1.882E+02 +3.416E+01-2.886E+01 284.980 4.776E+02 +6.819E+01-7.338E+01 287.565 4.927E+02 +7.035E+01-7.585E+01 291.034 6.002E+02 +8.594E+01-9.204E+01 293.655 8.086E+02 +XXXXXXXXX-XXXXXXXXX 297.558 1.018E+03 +XXXXXXXXX-XXXXXXXXX 299.838 1.161E+02 +3.553E+01-4.804E+01 302.409 1.084E+02 +3.312E+01-4.271E+01 305.531 2.408E+02 +4.362E+01-5.023E+01 308.606 3.833E+02 +5.472E+01-1.258E+01 311.727 8.515E+02 +XXXXXXXXX-XXXXXXXXX 314.770 1.073E+03 +XXXXXXXXX-XXXXXXXXX 318.238 1.307E+03 +XXXXXXXXX-XXXXXXXXX 321.503 3.667E+02 +6.674E+01-1.289E+02 \END; /*===================================================================*/ |