/*===================================================================*/ /* NRDF D1225 Data No.12 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,12; 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,12; 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,12; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=7.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.3-(9)*/ /* D1225 FIG.3-(9) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 29.697 7.575E+02 +8.002E+01-2.151E+02 32.450 1.808E+02 +4.007E+01-6.362E+01 35.924 1.342E+02 +4.112E+01-5.011E+01 38.951 1.138E+02 +4.509E+01-4.004E+01 41.746 1.946E+01 +1.373E+01-1.072E+01 44.303 2.303E+01 +1.374E+01-1.302E+01 50.765 6.512E+02 +XXXXXXXXX-XXXXXXXXX 53.388 4.520E+02 +XXXXXXXXX-XXXXXXXXX 56.804 5.354E+02 +XXXXXXXXX-XXXXXXXXX 59.844 4.109E+02 +XXXXXXXXX-XXXXXXXXX 62.413 4.401E+02 +XXXXXXXXX-XXXXXXXXX 65.526 1.852E+02 +1.963E+01-2.841E+01 68.463 3.274E+02 +XXXXXXXXX-XXXXXXXXX 71.442 4.145E+02 +XXXXXXXXX-XXXXXXXXX 74.845 5.426E+02 +XXXXXXXXX-XXXXXXXXX 78.265 6.217E+02 +XXXXXXXXX-XXXXXXXXX 81.677 7.615E+02 +XXXXXXXXX-XXXXXXXXX 82.966 7.622E+02 +XXXXXXXXX-XXXXXXXXX 86.893 4.634E+02 +XXXXXXXXX-XXXXXXXXX 89.949 3.112E+02 +XXXXXXXXX-XXXXXXXXX 92.956 3.119E+02 +XXXXXXXXX-XXXXXXXXX 95.926 4.220E+02 +XXXXXXXXX-XXXXXXXXX 99.256 1.008E+03 +XXXXXXXXX-XXXXXXXXX 101.796 1.363E+03 +XXXXXXXXX-XXXXXXXXX 105.245 1.236E+03 +XXXXXXXXX-XXXXXXXXX 107.413 1.048E+03 +XXXXXXXXX-XXXXXXXXX 110.907 6.586E+02 +4.545E+01-1.012E+02 113.984 3.743E+02 +8.296E+01-4.687E+01 116.966 4.583E+02 +6.527E+01-7.054E+01 119.490 7.085E+02 +1.012E+02-6.749E+01 122.505 6.642E+02 +XXXXXXXXX-XXXXXXXXX 191.573 1.457E+03 +4.458E+02-2.643E+02 194.797 8.281E+03 +XXXXXXXXX-XXXXXXXXX 197.750 1.281E+04 +XXXXXXXXX-XXXXXXXXX 199.927 1.016E+04 +XXXXXXXXX-XXXXXXXXX 203.834 7.295E+03 +XXXXXXXXX-XXXXXXXXX 206.906 4.287E+03 +XXXXXXXXX-XXXXXXXXX 210.007 1.994E+03 +XXXXXXXXX-XXXXXXXXX 212.658 1.096E+03 +XXXXXXXXX-XXXXXXXXX 215.669 1.062E+03 +XXXXXXXXX-XXXXXXXXX 218.705 8.429E+02 +XXXXXXXXX-XXXXXXXXX 221.667 1.219E+03 +XXXXXXXXX-XXXXXXXXX 224.612 2.016E+03 +XXXXXXXXX-XXXXXXXXX 228.450 2.554E+03 +XXXXXXXXX-XXXXXXXXX 231.068 1.833E+03 +XXXXXXXXX-XXXXXXXXX 234.140 1.077E+03 +XXXXXXXXX-XXXXXXXXX 236.763 7.475E+02 +XXXXXXXXX-XXXXXXXXX 239.426 3.716E+02 +XXXXXXXXX-XXXXXXXXX 243.309 3.261E+02 +4.669E+01-4.084E+01 245.882 3.379E+02 +3.545E+01-2.161E+01 248.835 5.225E+02 +XXXXXXXXX-XXXXXXXXX 251.810 6.839E+02 +XXXXXXXXX-XXXXXXXXX 255.205 9.572E+02 +XXXXXXXXX-XXXXXXXXX 258.216 9.279E+02 +XXXXXXXXX-XXXXXXXXX 260.847 6.025E+02 +XXXXXXXXX-XXXXXXXXX 264.745 4.626E+02 +XXXXXXXXX-XXXXXXXXX 266.951 2.904E+02 +4.147E+01-3.629E+01 269.941 3.326E+02 +4.750E+01-3.169E+01 272.927 3.939E+02 +5.582E+01-4.922E+01 275.856 7.442E+02 +XXXXXXXXX-XXXXXXXXX 279.293 7.461E+02 +XXXXXXXXX-XXXXXXXXX 281.952 3.835E+02 +5.477E+01-3.665E+01 285.004 2.663E+02 +4.835E+01-4.832E+01 291.599 7.785E+01 +6.409E+01-5.282E+01 294.545 1.287E+02 +5.098E+01-5.816E+01 297.011 3.175E+02 +7.037E+01-5.769E+01 300.452 3.078E+02 +5.589E+01-5.586E+01 302.927 7.103E+02 +1.290E+02-8.836E+01 306.363 7.121E+02 +1.017E+02-6.784E+01 309.158 1.217E+02 +4.269E+01-5.927E+01 312.880 3.924E+02 +8.699E+01-4.882E+01 315.838 5.870E+02 +1.301E+02-9.020E+01 318.837 6.289E+02 +1.142E+02-9.665E+01 322.661 8.806E+02 +XXXXXXXXX-XXXXXXXXX 327.816 8.839E+02 +1.262E+02-2.071E+02 \END; /*===================================================================*/ |