/*===================================================================*/ /* NRDF D1225 Data No.86 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,86; 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,86; 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,86; INC-ENGY-LAB=140MEV; /*@13@*/ J-PTY=4+'15'; /*@14@*/ THTC=19.5DEG'16'; /*@15@*/ SYS-ERR=<20%; /*FIG.9-(9)*/ /* D1225 FIG.9-(9) */ /* FOLLOWING DATA ARE TAKEN FROM GRAPH */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; THTC'17' DSIGMA'18' DELTA-DSIGMA'18' (DEG) (UB/SR/SR) (UB/SR/SR) 169.447 2.984E+01 +1.714E+01-XXXXXXXXX 171.086 4.707E+01 +1.205E+01-2.322E+01 178.041 3.659E+01 +1.570E+01-1.616E+01 181.866 5.251E+00 +3.566E+00-ZZZZZZZZZ 183.546 6.387E+01 +1.627E+01-1.459E+01 186.560 6.619E+01 +1.968E+01-1.675E+01 189.920 1.081E+02 +XXXXXXXXX-XXXXXXXXX 192.891 1.405E+02 +1.945E+01-2.108E+01 195.179 7.129E+01 +XXXXXXXXX-1.807E+01 198.970 1.164E+02 +3.447E+01-1.742E+01 202.022 9.933E+01 +6.653E+00-2.265E+01 204.062 1.843E+02 +4.695E+01-4.211E+01 207.508 1.911E+02 +4.103E+01-3.880E+01 210.172 1.299E+02 +3.845E+01-2.637E+01 214.373 2.497E+01 +2.934E+01-ZZZZZZZZZ 291.291 1.464E+03 +XXXXXXXXX-XXXXXXXXX 295.243 1.029E+03 +XXXXXXXXX-XXXXXXXXX 298.696 1.033E+03 +XXXXXXXXX-XXXXXXXXX 300.891 8.524E+02 +XXXXXXXXX-XXXXXXXXX 303.536 6.384E+02 +XXXXXXXXX-XXXXXXXXX 307.908 4.791E+02 +XXXXXXXXX-XXXXXXXXX 310.078 4.501E+02 +XXXXXXXXX-XXXXXXXXX 313.512 4.979E+02 +XXXXXXXXX-XXXXXXXXX 317.014 3.856E+02 +XXXXXXXXX-XXXXXXXXX 319.722 2.089E+02 +8.935E+01-4.779E+01 322.448 1.026E+02 +3.471E+01-4.902E+01 325.264 3.002E+02 +8.887E+01-5.306E+01 328.278 3.111E+02 +7.960E+01-7.106E+01 331.535 9.105E+01 +5.702E+01-ZZZZZZZZZ 334.826 2.123E+02 +5.408E+01-7.301E+01 337.872 1.871E+02 +4.755E+01-4.734E+01 340.030 1.875E+02 +5.552E+01-7.553E+01 343.778 3.843E+02 +6.762E+01-7.801E+01 346.516 1.770E+02 +4.529E+01-6.816E+01 349.636 1.057E+02 +9.654E+01-ZZZZZZZZZ 352.477 2.715E+02 +1.291E+02-1.151E+02 \END; /*===================================================================*/ |