/*===================================================================*/ /* NRDF D1876 Data No.2 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,2; D#=D1876; TITLE=/ Excitation functions for the reactions induced by alpha particles on 109Ag /; ATH=(S.FUKUSHIMA'1', S.KUME'1', H.OKAMURA'1', K.OTOZAI'1', K.SAKAMOTO'1', Y.YOSHIZAWA'1', S.HAYASHI'2'); INST-ATH=(2JPNOSA'1', 2JPNJPN'2'); /* '1' Faculty of Science */ /* '2' Osaka Public Health Institute, Osaka */ REF=NP; VLP=69(1965)273; RCTS=(109AG(ALPHA,N)112IN, 109AG(ALPHA,2*N)111IN, 109AG(ALPHA,3*N)110IN); PHQS=XSECTN; /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,2; /* 2004-02-25 : Compiled+Checked, Kc + On */ /* 2010-06-04 : Altered, Tsubakihara. 002-006 DATA,ERR-T: MB -> B PHQ=XSECTN; CHM=ELM; POL-TGT=0%; ALGN-TGT=0%; POL-PRJ=0%; COINC=NO; ANT-COINC=NO; ANL=STATIST-MODEL'3'; /* '3' Using level density expressions based on the Fermi gas model */ /* Experimental Method: - Stacked target irradiation (Stacks consisted of the 109Ag foils and aluminium foils or of the natural silver foils only.) - Energy degradation by foils (Energy degradation by aluminium foils) /* Analysis: - Decay curve analysis (Initial activities were computed by the least-squares method using know half-lives.) RCT=109AG(ALPHA,N)112IN; ENR=99.8%; PHYS-FORM=SLD; THK-TGT=8MG/CM**2; BAC=X'10'; /* '10' Electro-deposited onto iron foils */ ACC=CYC'11'; /* '11' 110 cm cyclotron */ INST-ACC=2JPNOSA; DET-PARTCL=BETA'12'; /* '12' Beta from 112In (metastable state). Beta rays higher than 0.3 MeV were counted. The half-life of the longer-lived isomer was obtained as the weighted mean value of the published data. DET-SYS=X'13'; /* '13' Anthracene crystal */ /* Disintegration rate of 112In was determined from the annihilation radiation measurement with NaI(Tl) crystal which was calibrated with a 22Na standard source. The position branching was taken to be 21.6%. */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,2; TOT-ERR=X%'4'; /* '4' Uncertainties in beta- and gamma-ray counting fluctuations, decay curve analyses and adopted nuclear data (half-lives, branching ratios) */ HALF-LIFE=20.8MIN'14'; /* '14' Beta from 112In (metastable state) (Beta rays higher than 0.3 MeV were counted. The half-life of the longer-lived isomer was obtained as the weighted mean value of the published data.) */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-CM (MEV) (B) (MB) 9.7 0.0005 +-0.0002 11.5 0.014 +-0.004 13.8 0.18 +-0.04 15.2 0.26 +-0.06 17.5 0.30 +-0.07 19.5 0.21 +-0.05 \END; /*===================================================================*/ |