/*===================================================================*/ /* NRDF D1225 Data No.53 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,53; 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,53; 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,53; INC-ENGY-LAB=140MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=10.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.7-(8)*/ /* D1225 FIG.7-(8) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 54.356 2.354E+02 +5.177E+01-6.068E+01 57.382 2.515E+02 +XXXXXXXXX-6.483E+01 61.272 2.514E+02 +XXXXXXXXX-5.852E+01 64.296 2.275E+02 +XXXXXXXXX-2.822E+01 66.443 9.299E+01 +2.045E+01-5.857E+01 70.342 1.803E+02 +3.966E+01-3.731E+01 72.929 1.172E+02 +2.111E+01-2.729E+01 75.520 1.061E+02 +XXXXXXXXX-1.913E+01 78.119 1.527E+02 +2.752E+01-3.555E+01 81.576 1.526E+02 +XXXXXXXXX-1.896E+01 85.039 2.125E+02 +XXXXXXXXX-XXXXXXXXX 87.632 2.125E+02 +XXXXXXXXX-XXXXXXXXX 93.668 8.681E+01 +3.408E+01-2.651E+01 96.695 9.586E+01 +2.107E+01-2.927E+01 99.283 6.881E+01 +1.796E+01-3.334E+01 187.907 4.364E+02 +1.517E+02-1.619E+02 190.069 4.510E+02 +8.125E+01-8.130E+01 193.097 5.685E+02 +1.725E+02-1.736E+02 196.111 2.742E+02 +9.524E+01-6.384E+01 199.580 5.497E+02 +1.209E+02-1.280E+02 202.158 2.102E+02 +6.381E+01-5.929E+01 205.184 2.322E+02 +2.426E+01-6.547E+01 207.773 1.723E+02 +5.227E+01-4.858E+01 212.098 2.171E+02 +4.777E+01-2.054E+01 214.697 3.125E+02 +8.159E+01-3.879E+01 218.154 3.022E+02 +XXXXXXXXX-XXXXXXXXX 220.314 3.022E+02 +XXXXXXXXX-XXXXXXXXX 222.468 1.900E+02 +XXXXXXXXX-XXXXXXXXX 226.793 2.395E+02 +2.503E+01-2.266E+01 229.810 1.363E+02 +XXXXXXXXX-3.174E+01 231.970 1.276E+02 +2.804E+01-2.300E+01 235.871 2.643E+02 +2.762E+01-2.500E+01 238.027 1.961E+02 +2.779E+01-2.994E+01 242.350 2.095E+02 +2.968E+01-2.598E+01 244.508 1.775E+02 +3.903E+01-1.680E+01 247.970 2.390E+02 +4.305E+01-3.650E+01 250.562 2.312E+02 +3.276E+01-3.530E+01 253.997 5.379E+01 +2.896E+01-1.996E+01 256.602 1.191E+02 +3.615E+01-3.071E+01 260.053 7.740E+01 +3.040E+01-1.996E+01 263.076 6.557E+01 +1.990E+01-2.568E+01 266.082 1.989E+01 +1.280E+01-ZZZZZZZZZ 272.168 1.891E+02 +3.407E+01-5.334E+01 275.625 1.891E+02 +3.406E+01-5.773E+01 278.211 1.150E+02 +3.996E+01-2.073E+01 280.812 1.953E+02 +XXXXXXXXX-3.522E+01 284.258 9.739E+01 +2.542E+01-2.747E+01 287.719 1.188E+02 +3.100E+01-3.062E+01 290.741 1.006E+02 +2.627E+01-3.073E+01 293.753 4.250E+01 +2.075E+01-2.059E+01 297.642 4.110E+01 +3.604E+01-2.485E+01 299.819 1.148E+02 +3.988E+01-5.155E+01 302.852 1.886E+02 +3.399E+01-1.209E+01 304.581 1.949E+02 +XXXXXXXXX-6.396E+01 308.908 2.625E+02 +2.746E+01-6.767E+01 311.940 4.037E+02 +5.723E+01-1.041E+02 314.963 3.654E+02 +8.040E+01-6.588E+01 \END; /*===================================================================*/ |