/*===================================================================*/ /* NRDF D1225 Data No.35 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,35; 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,35; 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,35; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=4+'13'; /*@11@*/ THTC=4.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.5-(9)*/ /* D1225 FIG.5-(9) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 234.823 4.431E+01 +4.047E+01-ZZZZZZZZZ 237.886 3.295E+02 +9.802E+01-9.136E+01 240.332 1.610E+02 +XXXXXXXXX-XXXXXXXXX 243.073 2.875E+02 +5.059E+01-7.938E+01 246.594 3.477E+02 +6.118E+01-6.162E+01 250.027 2.850E+02 +6.138E+01-XXXXXXXXX 252.245 3.453E+02 +6.075E+01-6.994E+01 255.214 2.487E+02 +6.335E+01-3.025E+01 258.706 2.642E+02 +5.673E+01-4.670E+01 261.800 3.302E+02 +8.412E+01-9.130E+01 264.725 1.959E+02 +5.840E+01-5.422E+01 267.068 6.077E+01 +3.185E+01-4.126E+01 271.105 1.049E+02 +8.313E+01-5.006E+01 273.839 2.679E+01 +3.749E+01-ZZZZZZZZZ 276.616 5.627E+01 +2.415E+01-2.957E+01 278.951 1.145E+02 +4.367E+01-3.175E+01 282.929 1.525E+02 +3.896E+01-2.689E+01 285.677 2.815E+02 +4.952E+01-3.436E+01 288.785 3.754E+02 +6.605E+01-2.356E+01 291.415 4.124E+02 +8.853E+01-2.567E+01 294.016 3.979E+02 +7.001E+01-1.290E+01 297.059 3.964E+02 +5.487E+01-3.673E+01 300.831 2.131E+02 +5.441E+01-2.581E+01 304.530 8.281E+01 +2.805E+01-4.084E+01 306.932 3.330E+01 +2.085E+01-ZZZZZZZZZ \END; /*===================================================================*/ |