/*===================================================================*/ /* NRDF D1225 Data No.34 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,34; 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,34; 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,34; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=4+'13'; /*@11@*/ THTC=7.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.5-(8)*/ /* D1225 FIG.5-(8) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 214.608 1.434E+02 +3.716E+01-6.180E+01 218.171 1.985E+02 +6.025E+01-8.550E+01 220.781 2.043E+02 +8.026E+01-9.187E+01 224.400 3.452E+02 +9.010E+01-1.841E+02 226.586 3.675E+02 +9.593E+01-1.781E+02 229.885 2.013E+02 +5.254E+01-6.603E+01 232.581 2.791E+02 +2.939E+01-1.147E+02 235.871 3.219E+01 +4.933E+01-ZZZZZZZZZ 238.481 1.522E+02 +6.662E+01-5.954E+01 241.714 6.611E+01 +2.907E+01-3.205E+01 243.900 7.038E+01 +1.824E+01-3.643E+01 247.652 4.116E+01 +3.608E+01-2.947E+01 253.598 1.217E+02 +4.792E+01-6.091E+01 256.416 5.650E+01 +5.672E+01-3.760E+01 260.478 9.860E+01 +4.824E+01-4.943E+01 262.871 2.176E+02 +7.601E+01-8.095E+01 265.595 3.333E+02 +8.699E+01-6.087E+01 268.695 4.182E+02 +XXXXXXXXX-1.179E+02 272.060 2.888E+02 +7.564E+01-3.584E+01 275.463 2.277E+02 +5.008E+01-4.687E+01 277.546 1.684E+02 +3.703E+01-3.036E+01 280.335 3.252E+02 +XXXXXXXXX-XXXXXXXXX 283.643 1.841E+02 +3.286E+01-4.767E+01 287.027 1.359E+02 +2.988E+01-3.510E+01 289.487 8.230E+01 +2.498E+01-1.718E+01 296.301 5.289E+01 +2.841E+01-2.561E+01 298.223 1.023E+02 +2.670E+01-2.643E+01 302.023 1.537E+01 +2.615E+01-ZZZZZZZZZ 304.850 3.389E+01 +1.494E+01-2.215E+01 307.875 3.262E+01 +1.929E+01-ZZZZZZZZZ \END; /*===================================================================*/ |