/*===================================================================*/ /* NRDF D1225 Data No.88 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,88; 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,88; 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,88; INC-ENGY-LAB=140MEV; /*@13@*/ J-PTY=4+'15'; /*@14@*/ THTC=13.5DEG'16'; /*@15@*/ SYS-ERR=<20%; /*FIG.9-(11)*/ /* D1225 FIG.9-(11) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'17' DSIGMA'18' DELTA-DSIGMA'18' (DEG) (UB/SR/SR) (UB/SR/SR) 188.178 3.874E+01 +2.966E+01-ZZZZZZZZZ 191.207 3.637E+01 +1.613E+01-2.157E+01 194.181 4.461E+01 +2.898E+01-3.248E+01 197.161 5.291E+01 +2.343E+01-2.289E+01 200.740 2.818E+01 +4.118E+01-ZZZZZZZZZ 203.894 1.150E+02 +4.530E+01-5.400E+01 207.320 2.033E+00 +4.033E+01-ZZZZZZZZZ 212.975 9.842E+01 +6.919E+01-6.678E+01 216.129 5.068E+01 +4.795E+01-ZZZZZZZZZ 218.554 1.095E+02 +4.842E+01-7.550E+01 221.618 8.705E+01 +7.160E+01-8.352E+01 297.223 2.064E+03 +XXXXXXXXX-XXXXXXXXX 299.023 1.433E+03 +2.064E+02-2.202E+02 302.469 1.439E+03 +2.614E+02-2.212E+02 305.081 1.263E+03 +1.797E+02-1.579E+02 308.555 1.110E+03 +XXXXXXXXX-XXXXXXXXX 312.120 6.323E+02 +1.664E+02-7.931E+01 314.225 8.008E+02 +2.118E+02-5.171E+01 317.387 3.988E+02 +7.243E+01-8.309E+01 321.326 2.968E+02 +1.176E+02-1.228E+02 323.904 3.078E+02 +1.368E+02-1.333E+02 326.766 6.440E+02 +1.971E+02-1.342E+02 335.993 2.735E+02 +1.629E+02-1.884E+02 338.814 6.989E+02 +1.554E+02-1.980E+02 345.888 3.736E+01 +2.212E+02-ZZZZZZZZZ 347.825 8.352E+02 +4.537E+02-2.756E+02 350.972 4.447E+02 +2.423E+02-2.969E+02 \END; /*===================================================================*/ |