/*===================================================================*/ /* NRDF D1876 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; 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,4; /* 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,3*N)110IN; ENR=NAT; PHYS-FORM=SLD'20'; /* '20' Rolled foils */ THK-TGT=7[10MG/CM**2; ACC=CYC'21'; /* '21' 160 cm variable energy cyclotron */ INST-ACC=2JPNINS; DET-PARTCL=BETAP'22'; /* '22' Positive beta from 110In (metastable state) */ DET-SYS=GMC'23'; /* '23' To detect 2.2 MeV positrons. An aluminium absorber was used to cut down beta rays with energies lower than 1.5 MeV. Thus the interference of the 1.29 MeV positions from the 58 min isomer of 108In was minimized. */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,4; TOT-ERR=X%'4'; /* '4' Uncertainties in beta- and gamma-ray counting fluctuations, decay curve analyses and adopted nuclear data (half-lives, branching ratios) */ ENGY-EMT=2.2MEV'24'; HALF-LIFE=66MIN'24'; /* '24' Positive beta from 110In (metastable state) */ /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-CM (MEV) (B) (MB) 26.9 0.08 +-0.01 28.1 0.11 +-0.02 29.3 0.11 X 30.4 0.13 +-0.02 31.4 0.15 +-0.02 32.3 0.20 X 33.4 0.20 +-0.03 34.4 0.21 X 35.2 0.16 +-0.04 36.1 0.14 X 37.0 0.19 +-0.03 \END; /*===================================================================*/ |