/*===================================================================*/ /* NRDF D1874 Data No.4 */ /*===================================================================*/ /* Bibliography */ /*===================================================================*/ \\BIB,4; 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,4; /* 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,X)109CD; PHQ=XSECTN; DET-PARTCL=GAMMA'26'; /* '26' Delayed gamma from 109Cd */ DET-SYS=NAI'27'; /* '27' NaI(Tl) scintillator */ ANL=STATIST-MODEL'28'; /* '28' 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 */ /*===================================================================*/ /* Descriptive Parameters */ /*===================================================================*/ \\DATA,4; SYS-ERR=6.0%'29'; /* '29' Uncertainties in absolute measurements (ambiguities of nuclear data, standard activities used in the absolute measurements of activities) */ RSD=109CD; /*===================================================================*/ /* Data Table */ /*===================================================================*/ \DATA; INC-ENGY-CM XSECTN DELTA-XSECTN'30' DELTA-XSECTN'31' DATA1'32' (MEV) (MB) (%) (MB) (MEV) 16.0 1.2 +-140. +-1.8 16.0 17.4 2.84 X X X 18.7 28.6 X X X 19.9 18. +-72. +-13. 19.9 21.4 17.8 X X X 22.9 21. X X X 24.4 65. X X X 25.3 73. +-39. +-29. 25.2 25.6 62. X X X 26.8 42. X X X 28.0 57. X X X 30.2 78. X X X 31.1 91. +-25. +-24. 31.1 32.9 83. X X X 33.6 83. X X X 34.4 110. +-13. +-15. 34.4 35.2 49. X X X 36.1 75. X X X 37.1 49. X X X 38.0 55. +-17. +-10. 38.1 \END; /*===================================================================*/ |