/*===================================================================*/ /* NRDF D1225 Data No.39 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,39; 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,39; 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,39; INC-ENGY-LAB=110MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=19.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.6-(3)*/ /* D1225 FIG.6-(3) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 46.928 4.807E+01 +3.883E+01-ZZZZZZZZZ 49.485 2.255E+01 +2.550E+01-ZZZZZZZZZ 52.537 8.400E+01 +2.175E+01-3.753E+01 55.541 6.669E+01 +1.727E+01-2.460E+01 58.144 1.374E+02 +2.999E+01-2.086E+01 61.159 1.567E+02 +3.419E+01-3.626E+01 64.185 2.565E+02 +5.597E+01-3.163E+01 67.598 1.055E+02 +2.732E+01-2.702E+01 70.599 7.839E+01 +2.360E+01-1.189E+01 73.594 4.629E+01 +1.199E+01-1.708E+01 76.158 2.733E+01 +8.228E+00-8.916E+00 79.601 2.917E+01 +1.136E+01-9.514E+00 82.665 1.613E+02 +2.882E+01-2.889E+01 85.259 2.473E+02 +3.477E+01-3.048E+01 88.278 3.215E+02 +3.335E+01-8.243E+01 178.558 8.209E+01 +6.628E+01-ZZZZZZZZZ 183.349 5.527E+02 +1.905E+02-1.802E+02 206.095 1.135E+02 +3.418E+01-2.908E+01 209.570 3.358E+02 +6.004E+01-6.016E+01 212.151 3.469E+02 +7.570E+01-7.135E+01 215.172 4.818E+02 +1.051E+02-3.674E-02 218.604 3.581E+02 +6.402E+01-8.282E+01 222.048 3.950E+02 +1.023E+02-4.862E+01 224.608 2.045E+02 +2.876E+01-6.208E+01 227.185 1.852E+02 +6.380E+01-3.809E+01 230.637 2.571E+02 +5.616E+01-5.950E+01 233.637 1.850E+02 +5.568E+01-4.741E+01 237.091 2.835E+02 +6.191E+01-2.664E+01 239.663 2.107E+02 +4.596E+01-7.333E+01 242.651 1.021E+02 +6.516E+01-5.577E+01 246.101 1.372E+02 +1.109E+02-9.525E+01 299.839 6.171E+01 +2.988E+01-3.368E+01 302.413 4.900E+01 +2.614E+01-2.600E+01 305.394 1.886E+01 +4.892E+00-ZZZZZZZZZ \END; /*===================================================================*/ |