/*===================================================================*/ /* NRDF D0020 Data No.2 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,2; D#=D20; TITLE=/SEQUENTIAL DECAY IN THE 12C+16O->12C+12C+ALPHA REACTION/; ATH=(K.FURUNO'1',K.KATORI'1',T.AOKI'1',T.OOI'1',J.SANADA'1'); INST-ATH=(2JPNTSU'1'); REF=JPJ/S; VLP=44(1978)249; RCTS=(12C(16O,12C,12C)ALPHA); /*2-DIMENSIONAL SPECTRA AND PROJECTED SPECTRA OF 12C+16O->12C+12C+ALPHA ARE GIVEN.*/ /*A SINGLE SPECTRUM OF 12C EMITTED FROM THE 12C(16O, 12C)16O*REACTION IS GIVEN.*/ /*HIGH-RESOLUTION MEASUREMRNTS OF THE EXCITATION FUNCTION OF 12C(16O,12CGS)16O THETA-LAB=7.0DEG. ARE GIVEN.*/ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,2; RCT=12C(16O,12C,12C)ALPHA; ENR=NAT; CHM=ELM; THK-TGT=(0.290MG/CM**2,0.058MG/CM**2); BAC=SELF; POL-TGT=NO; ALGN-TGT=NO; ACC=(VDG); INST-ACC=2JPNTSU; INC-ENGY-RANGE=68MEV(XMEV)80MEV; DELTA-INC-ENGY=XKEV; ERS-PRJ=XKEV; BEAM-INTNSTY=XUA; POL-PRJ=NO; DET-PARTCL=(12C); DET-SYS=(SI,CNTR-TLSCP); SOLID-ANGL=(0.6MSR,1.4MSR); /*THE TWO 12C NUCLEI EMITTED FROM THE TARGET WERE DETECTED IN THE TIME COINCIDENCE MODE USING A PAIR OF COUNTER TELESCOPES WHICH WERE MOUNTED ON BOTH SIDES OF THE BEAM IN A COPLANAR GEOMETRY.*/ PHQ=(EXC-FUNCT,ENGY-SPEC,DSIGMA/DOMEGA/DOMEGA/DE); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,2; THTL=(30DEG,30DEG); INC-ENGY-RANGE=28[34MEV; /*12C+16/->12CGS+16O*(10.34MEV 4+)12CGS+ALPHAi THETA1(12C)=THETA2(12C)=30DEG-LAB.*/ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; ENGY XSECTN XSECTN (MEV) (NODIM) (NODIM) 28.5 7 +-1.3 28.9 7.1 +-0.9 29.3 9.2 +-0.8 29.7 13.0 +-1.0 30.1 14 +-1 30.5 11.8 +-1.2 31.0 11.8 +-1.4 31.5 10.9 +-1.2 32 11 +-1.4 32.2 11.2 +-1.5 32.4 9.8 +-0.6 32.9 9.9 +-1.0 32.8 9.8 +-0.6 33.2 11.5 +-1.4 33.5 10.2 +-1.4 34.0 10.3 +-1.1 /*ENGY;CM-ENERGY, CROSS SECTION; RELATIVE VALUE*/ /*NUMERICAL VALUES ARE READ FROM THE GRAPH*/ \END; /*===================================================================*/ |