/*===================================================================*/ /* NRDF D0390 Data No.36 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,36; D#=D390; TITLE=/DECAYS OF THE LOWEST T=2 STATES IN A=4N NUCLEI FROM 8BE TO 44TI/; PURPOSE=/TO REPORT ON ONE PHASE OF A PROGRAM TO DETERMINE THE SYSTEMATICS OF THE DECAYS OF THE LOWEST T=2 STATES IN A=4N NUCLEI,NUMELY,MEASUREMENTS OF THE BRANCHING RATIOS FOR CHARGED PARTICLE DECAYS IN 8BE,12C,16O,24MG,28SI,32S,36AR,40CA AND 44TI,NEUTRON DECAYS IN 8BE AND 16O AND GAMMA DECAYS IN 44TI./; ATH=(S.J.FREEDMAN'1',C.A.GAGLIARDI'1',M.A.OOTHOUDT'1',A.V.NERO'1', R.G.H.ROBERTSON'1',F.J.ZUTAVERN'1',E.G.ADELBERGER'2', A.B.MCDONALD'3'); INST-ATH=(1USAPTN'1',1USAWAU'2',1CANCRC'3'); REF=PR/C; VLP=19(1979)1907; RCTS=(10BE(P,T)8BE'1,2,3,4,5,6,26',14C(P,T)12C'7,25,24', 18O(P,T)16O'8,9,10', 26MG(P,T)24MG'11,12', 30SI(P,T)28SI'13,14', 34S(P,T)32S'15,16', 38AR(P,T)36AR'17,18', 42CA(P,T)40CA'19,20', 46TI(P,T)44TI'21,22,23', 8BE( ,P)7LI'2',8BE( ,ALPHA)ALPHA'3', 8BE( ,3HE)5HE'4', 8BE( ,T)5LI'5',8BE( ,N)7BE'6', 12C( ,ALPHA)8BE'7', 16O( ,ALPHA)12C'8', 16O( ,P)15N'9', 16O( ,N)15O'10', 24MG( ,P)23NA'11', 24MG( ,ALPHA)20NE'12', 28SI( ,P)27AL'13', 28SI( ,ALPHA)24MG'14', 32S( ,P)31P'15', 32S( ,ALPHA)28SI'16', 36AR( ,P)35CL'17', 36AR( ,ALPHA)32S'18', 40CA( ,P)39K'19', 40CA( ,ALPHA)36AR'20', 44TI( ,ALPHA)40CA'21', 44TI( ,P)43SC'22', 44TI( ,GAMMA)44TI'23', 12C( ,P)11B'25', 12C( ,D)10B'24', 8BE( ,D)6LI'1', 8BE( ,GAMMA)8BE'26'); /*@58@*/ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,36; ACC=(CYC); INST-ACC=1USAPTN; INC-ENGY-LAB=42[46MEV; POL-PRJ=NO; DET-PARTCL=(GAMMA,N,P,D,T,HE3,ALPHA); DET-SYS=(MAG'1'+PS-SI+PLST-SCT+TOF+CNTR-TLSCP,NAI); /*@3@*/ SOLID-ANGL=[14MSR; ERS-DET=<25KEV'2'; /*@4@*/ ANL=(X); RCT=12C( ,ALPHA)8BE; /*@19@*/ ENR=[94%; CHM=14C; THK-TGT=300UG/CM**2; BAC=AU; THK-BAC=1MG/CM**2; POL-TGT=NO; PHQ=(ENGY-SPEC'2',PTY,ISOSPIN,DSIGMA/DOMEGA/DE,EXC-ENGY,SPIN); /*@7@*/ PHQ=(EXC-ENGY,TOT-WDTH,PART-WDTH,WDTH-RATIO,SPIN,PTY,ISOSPIN, BRANCH-RATIO); RCT=(12C( ,ALPHA)8BE,12C( ,X)X,12C( ,P)11B,12C( ,D)10B); /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,36; INC-ENGY-LAB=46MEV; CMPD=12C; EXC-ENGY-CMPD=27.6MEV; J-PTY-CMPD=0+; ISOSPIN-CMPD=2; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; CHANNEL J-PI'1' DATA1'2' BRANCH-RATIO DELTA-BRANCH-RATIO WDTH REDUCED-WDTH (NODIM) (NODIM) (NODIM) (%) (%) (EV) (NODIM'7') ALPHA 0+ 0 10.5 +-3.0 <4050 <285 ALPHA '3' '3' 9.1 +-3.5 <3750 X P 3/2- 0 3.0 +-2.2 <1650 <91 P 1/2- 0 8.0 +-2.3 <3090 <316 P 5/2- 0 0 +-3.3 <990 <316 P 3/2- 1 8.4 +-3.2 <3450 <290 P '4' 0 8 +-5 <3900 X D 3+ 0 2.8 +-2.0 <1440 <973 \END; /*===================================================================*/ |