/*===================================================================*/ /* NRDF D1225 Data No.57 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,57; 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,57; 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,57; INC-ENGY-LAB=90MEV; /*@13@*/ J-PTY=4+'15'; /*@14@*/ THTC=43.5DEG'16'; /*@15@*/ SYS-ERR=<20%; /*FIG.8-(1)*/ /* D1225 FIG.8-(1) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'17' DSIGMA'18' DELTA-DSIGMA'18' (DEG) (UB/SR/SR) (UB/SR/SR) 144.136 1.852E+01 +1.510E+01-ZZZZZZZZZ 150.111 1.375E+01 +8.852E+00-6.665E+00 152.639 5.009E+01 +1.101E+01-2.157E+01 155.199 4.537E+01 +1.184E+01-1.587E+01 158.625 2.264E+01 +3.205E+00-1.017E+01 161.606 2.585E+01 +7.845E+00-1.338E+01 164.575 5.186E+01 +2.279E+01-1.815E+01 167.150 2.421E+01 +2.123E+01-2.245E+01 170.981 3.055E+01 +1.803E+01-1.480E+01 173.964 3.159E+01 +2.033E+01-2.201E+01 176.082 5.737E+01 +4.011E+01-3.059E+01 267.703 2.187E+02 +5.709E+01-5.636E+01 270.675 3.717E+02 +1.291E+02-2.383E+01 273.666 2.760E+02 +4.972E+01-5.713E+01 276.653 2.418E+02 +3.422E+01-4.359E+01 279.641 2.050E+02 +3.691E+01-3.695E+01 282.197 2.191E+02 +3.105E+01-3.345E+01 285.177 2.674E+02 +3.789E+01-3.317E+01 288.577 4.115E+02 +XXXXXXXXX-XXXXXXXXX 291.569 2.860E+02 +7.466E+01-5.155E+01 294.129 2.590E+02 +2.710E+01-3.215E+01 296.264 2.269E+02 +3.215E+01-3.464E+01 299.676 2.055E+02 +5.365E+01-3.705E+01 303.081 2.593E+02 +6.766E+01-6.039E+01 306.068 2.349E+02 +5.165E+01-4.862E+01 309.054 2.127E+02 +3.833E+01-3.835E+01 311.601 3.384E+02 +7.442E+01-8.725E+01 318.465 5.125E+01 +3.876E+01-3.717E+01 321.003 1.174E+02 +6.927E+01-5.483E+01 324.416 1.063E+02 +6.845E+01-4.578E+01 327.391 1.583E+02 +6.961E+01-6.816E+01 329.979 4.208E+01 +7.160E+01-ZZZZZZZZZ 333.395 3.338E+01 +3.814E+01-ZZZZZZZZZ 335.952 3.452E+01 +2.816E+01-ZZZZZZZZZ 339.791 3.025E+01 +2.843E+01-ZZZZZZZZZ 342.347 3.343E+01 +3.586E+01-ZZZZZZZZZ 344.847 4.147E+02 +1.259E+02-1.624E+02 \END; /*===================================================================*/ |