/*===================================================================*/ /* NRDF D1225 Data No.55 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,55; 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,55; 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,55; INC-ENGY-LAB=140MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=4.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.7-(10)*/ /* D1225 FIG.7-(10) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 37.618 9.185E+01 +4.861E+01-6.350E+01 43.634 1.120E+02 +4.328E+01-3.873E+01 47.128 5.120E+01 +2.457E+01-2.624E+01 50.048 2.303E+02 +7.873E+01-5.292E+01 52.613 3.092E+02 +4.310E+01-3.787E+01 55.695 1.054E+02 +3.598E+01-2.683E+01 58.273 1.163E+02 +3.473E+01-3.241E+01 65.676 3.158E+01 +1.024E+00-ZZZZZZZZZ 68.162 1.467E+02 +4.381E+01-5.683E+01 71.626 1.095E+02 +1.942E+01-4.020E+01 74.232 7.651E+01 +2.616E+01-9.339E+00 77.209 1.379E+02 +XXXXXXXXX-XXXXXXXXX 80.621 2.328E+02 +4.130E+01-4.143E+01 82.340 2.487E+02 +4.425E+01-5.716E+01 85.774 2.932E+02 +7.531E+01-3.595E+01 88.352 3.237E+02 +XXXXXXXXX-XXXXXXXXX 92.246 2.416E+02 +XXXXXXXXX-XXXXXXXXX 94.869 1.300E+02 +2.306E+01-2.989E+01 98.314 1.302E+02 +1.340E+01-2.316E+01 101.315 1.585E+02 +2.812E+01-1.941E+01 103.856 3.150E+02 +XXXXXXXXX-XXXXXXXXX 106.839 5.147E+02 +XXXXXXXXX-XXXXXXXXX 109.864 4.377E+02 +XXXXXXXXX-XXXXXXXXX 112.450 4.240E+02 +XXXXXXXXX-XXXXXXXXX 115.892 4.386E+02 +XXXXXXXXX-XXXXXXXXX 118.080 2.519E+02 +XXXXXXXXX-XXXXXXXXX 121.944 3.069E+02 +XXXXXXXXX-XXXXXXXXX 124.581 1.314E+02 +4.491E+01-3.966E+01 127.570 1.947E+02 +8.411E+01-7.540E+01 205.934 2.283E+02 +1.696E+02-1.623E+02 209.374 2.440E+02 +8.336E+01-8.955E+01 211.548 1.761E+02 +5.266E+01-4.481E+01 215.372 3.991E+02 +XXXXXXXXX-XXXXXXXXX 217.962 3.622E+02 +XXXXXXXXX-XXXXXXXXX 219.245 4.129E+02 +XXXXXXXXX-XXXXXXXXX 220.960 4.708E+02 +XXXXXXXXX-XXXXXXXXX 223.984 4.003E+02 +XXXXXXXXX-XXXXXXXXX 227.021 2.798E+02 +XXXXXXXXX-XXXXXXXXX 230.027 3.192E+02 +4.455E+01-2.979E+01 233.072 1.958E+02 +4.238E+01-2.950E+01 236.076 2.308E+02 +XXXXXXXXX-XXXXXXXXX 239.509 2.811E+02 +XXXXXXXXX-XXXXXXXXX 242.080 3.422E+02 +XXXXXXXXX-XXXXXXXXX 244.242 3.006E+02 +XXXXXXXXX-XXXXXXXXX 248.154 1.672E+02 +2.969E+01-2.052E+01 251.618 1.248E+02 +2.701E+01-3.767E+01 254.222 9.009E+01 +1.257E+01-3.668E+01 257.199 1.624E+02 +3.515E+01-4.133E+01 260.182 2.653E+02 +4.711E+01-3.245E+01 264.046 3.232E+02 +4.504E+01-4.869E+01 266.621 3.686E+02 +7.980E+01-2.331E+01 269.229 2.493E+02 +5.393E+01-5.089E+01 272.678 2.338E+02 +3.264E+01-2.864E+01 276.198 7.225E+01 +3.120E+01-2.654E+01 278.338 8.796E+01 +2.626E+01-3.044E+01 281.853 2.901E+01 +1.990E+01-ZZZZZZZZZ 284.416 4.025E+01 +2.334E+01-2.655E+01 287.799 1.074E+02 +2.324E+01-3.241E+01 291.187 2.683E+02 +5.808E+01-2.512E+01 299.383 2.141E+02 +7.325E+01-2.616E+01 302.401 2.008E+02 +5.157E+01-2.453E+01 305.034 9.176E+01 +3.961E+01-2.337E+01 308.442 1.654E+02 +3.584E+01-4.609E+01 311.872 2.081E+02 +6.215E+01-4.789E+01 314.388 6.122E+02 +XXXXXXXXX-XXXXXXXXX 318.251 7.457E+02 +XXXXXXXXX-XXXXXXXXX 321.303 4.147E+02 +5.788E+01-6.254E+01 323.464 3.642E+02 +7.898E+01-7.443E+01 326.958 1.665E+02 +1.143E+02-7.987E+01 \END; /*===================================================================*/ |