/*===================================================================*/ /* NRDF D1874 Data No.6 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,6; D#=D1874; TITLE=/Excitation functions for the reactions induced by alpha particles on 107Ag/; ATH=(S.FUKUSHIMA'1', S.HAYASHI'1', S.KUME'1', H.OKAMURA'1', K.OTOZAI'1', K.SAKAMOTO'1', Y.YOSHIZAWA'1'); INST-ATH=(2JPNOSA'1'); /* '1' Faculty of Science */ REF=NP; VLP=41(1963)275; RCTS=(107AG(ALPHA,N)110IN, 107AG(ALPHA,2*N)109IN, 107AG(ALPHA,X)109CD, 107AG(ALPHA,3*N)108IN, 107AG(ALPHA,X)106AG, 107AG(ALPHA,X)105AG); PHQS=(XSECTN, XSECTN-RATIO'2'); /* '2' Isomeric ratio sigma(ground) / sigma(metastable) */ /*===================================================================*/ /* Experimental Conditions */ /*===================================================================*/ \\EXP,6; /* 2004-02-24 : Compiled */ CHM=ELM; PHYS-FORM=SLD; THK-TGT=7[10MG/CM**2; POL-TGT=0%; ALGN-TGT=0%; ACC=(CYC'3',CYC'4'); /* '3' 160 cm variable energy cyclotron */ /* '4' 110 cm cyclotron */ INST-ACC=(2JPNTOK'3',2JPNOSA'4'); DELTA-INC-ENGY-LAB=0.5MEV'5'; /* '5' According to the error of initial beam energy and the error of energy at each foil obtained from the range-energy relation POL-PRJ=0%; COINC=NO; ANT-COINC=NO; /* Experimental Method: - Stacked target irradiation (Energy of incident alpha particles at each stacked foil was estimated from the range-energy relation given by Bichsel et al. [H. Bichsel et al., Phys. Rev. 105(1957)1788].) - Activation (Activation were performed for the order of 1000 micro-Curie in 5 to 30 min for the short-lived activities and 5000 micro-Curie in 4 to 5 h for the long-lived ones.) - Chemical separation (Efficiencies of chemical separations are tabulated in Table I, p277 in the reference) RCT=107AG(ALPHA,3*N)108IN; PHQ=XSECTN; DET-PARTCL=GAMMA'40'; /* '40' Delayed gamma from 108In (metastable state) */ DET-SYS=GMC; ANL=STATIST-MODEL'41'; /* '41' Statistical theory calculations based on the capture cross sections obtained from the optical model and the level density formula based on the Fermi-gas model */ /* Analysis: - Decay curve analysis (To separate activities of 66 min 110In and 40 min 108In) /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,6; SYS-ERR=24%'42'; /* '42' Uncertainties in absolute measurements (ambiguities of nuclear data, standard activities used in the absolute measurements of activities) */ RSD=108IN; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-CM XSECTN DELTA-XSECTN'43' DELTA-XSECTN'44' DATA1'45' (MEV) (MB) (%) (MB) (MEV) 29.3 18.6 X X X 30.4 22.6 +-35. +-8.2 30.4 31.3 24.2 X X X 32.3 23.1 X X X 33.4 24.9 X X X 34.4 27.8 +-33. +-9.8 34.3 35.2 28.8 X X X 36.1 23.9 X X X 36.9 25.3 +-34. +-9.1 36.9 \END; /*===================================================================*/ |