/*===================================================================*/ /* NRDF D1225 Data No.9 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,9; 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,9; 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,9; INC-ENGY-LAB=90MEV; /*@10@*/ J-PTY=7-'13'; /*@11@*/ THTC=16.5DEG'14'; /*@12@*/ SYS-ERR=<20%; /*FIG.3-(6)*/ /* D1225 FIG.3-(6) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'11' DSIGMA'12' DELTA-DSIGMA'12' (DEG) (UB/SR/SR) (UB/SR/SR) 38.862 2.107E+02 +5.455E+01-4.879E+01 41.965 7.868E+01 +1.717E+01-2.016E+01 45.430 6.059E+01 +1.820E+01-2.480E+01 47.897 2.049E+02 +4.470E+01-4.214E+01 50.861 3.361E+02 +4.726E+01-3.158E+01 54.308 3.153E+02 +XXXXXXXXX-XXXXXXXXX 56.898 2.861E+02 +XXXXXXXXX-XXXXXXXXX 59.961 1.638E+02 +2.929E+01-1.543E+01 62.968 1.696E+02 +3.036E+01-2.091E+01 66.025 1.037E+02 +2.263E+01-1.573E+01 69.806 2.698E+02 +XXXXXXXXX-XXXXXXXXX 71.521 2.884E+02 +XXXXXXXXX-XXXXXXXXX 75.333 5.399E+02 +XXXXXXXXX-XXXXXXXXX 77.941 4.022E+02 +XXXXXXXXX-XXXXXXXXX 80.958 3.772E+02 +XXXXXXXXX-XXXXXXXXX 84.009 2.464E+02 +3.471E+01-3.736E+01 87.489 1.609E+02 +4.167E+01-4.121E+01 90.076 1.509E+02 +2.698E+01-1.860E+01 92.616 2.318E+02 +XXXXXXXXX-XXXXXXXXX 95.983 5.113E+02 +XXXXXXXXX-XXXXXXXXX 99.424 5.123E+02 +7.203E+01-4.813E+01 180.047 6.523E+01 +4.892E+01-3.254E+01 186.808 2.361E+02 +6.114E+01-6.055E+01 190.036 2.289E+03 +XXXXXXXXX-XXXXXXXXX 193.412 4.575E+03 +XXXXXXXXX-XXXXXXXXX 195.993 4.582E+03 +XXXXXXXXX-XXXXXXXXX 199.449 3.894E+03 +XXXXXXXXX-XXXXXXXXX 202.026 4.030E+03 +XXXXXXXXX-XXXXXXXXX 205.906 3.659E+03 +XXXXXXXXX-XXXXXXXXX 207.682 2.026E+03 +XXXXXXXXX-XXXXXXXXX 210.767 9.217E+02 +XXXXXXXXX-XXXXXXXXX 213.808 6.644E+02 +XXXXXXXXX-XXXXXXXXX 217.255 6.233E+02 +XXXXXXXXX-XXXXXXXXX 220.665 8.677E+02 +XXXXXXXXX-XXXXXXXXX 223.660 1.024E+03 +XXXXXXXXX-XXXXXXXXX 226.228 1.170E+03 +XXXXXXXXX-XXXXXXXXX 229.644 1.525E+03 +XXXXXXXXX-XXXXXXXXX 232.299 6.936E+02 +XXXXXXXXX-XXXXXXXXX 235.349 4.531E+02 +XXXXXXXXX-XXXXXXXXX 237.543 2.862E+02 +XXXXXXXXX-XXXXXXXXX 240.593 1.869E+02 +3.347E+01-2.831E+01 243.607 1.812E+02 +3.244E+01-2.748E+01 246.986 3.505E+02 +3.634E+01-4.320E+01 249.554 4.003E+02 +XXXXXXXXX-XXXXXXXXX 253.456 2.887E+02 +2.994E+01-2.719E+01 256.476 2.620E+02 +3.677E+01-2.468E+01 259.109 1.500E+02 +2.677E+01-5.538E+01 261.735 9.172E+01 +3.992E+01-5.271E+01 265.244 4.457E+01 +3.869E+01-2.365E+01 271.157 1.414E+02 +6.163E+01-8.696E+01 282.705 2.839E+02 +XXXXXXXXX-1.162E+02 286.932 6.266E+02 +XXXXXXXXX-XXXXXXXXX 289.949 5.877E+02 +1.049E+02-7.269E+01 292.130 4.235E+02 +5.954E+01-5.220E+01 294.855 9.038E+01 +3.114E+01-5.197E+01 298.618 2.864E+02 +9.884E+01-6.636E+01 301.125 6.315E+02 +6.565E+01-9.564E+01 304.046 1.642E+03 +XXXXXXXXX-XXXXXXXXX 307.078 1.306E+03 +XXXXXXXXX-XXXXXXXXX 310.506 1.493E+03 +XXXXXXXXX-XXXXXXXXX 313.127 9.749E+02 +XXXXXXXXX-XXXXXXXXX 316.777 1.043E+02 +2.701E+01-6.911E+01 \END; /*===================================================================*/ |