Determination of the number of atoms of the long-lived nuclide <SUP>126</SUP>Sn by γ-ray spectrometry

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. Oberli F et al. Int. J. Mass. Spec., 1999, 184: 1452. Firestone R B, Shirley V S et al. Table of Isotopes. 8th-ed,New York: John Wiley Sons Inc. 1998. 4106-41103. TIAN Wei-Zhi, NI Bang-Fa, WANG Ping-Sheng. J. Ra-dioanal. Nucl. Ch., 1993, 1: 274. ZHANG Sheng-Dong et al. J. Radioanal. Nucl. Ch., 1996,212: 935. Haas P, Gartenmann P T. Nucl. Instrum. Methods B, 1996,114: 1316. Catlow S A et al. J. Radioanal. Nucl. Ch., 2005, 263: 5997. WANG Yu-Sheng. J. Nucl. Radioch. and Radioch., 1980,2: 129 (in Chinese)8. Hubbel J H, Seltzer S M. Tables of X-ray Mass Attenua-tion Coefficients and Mass Energy-Absorption Coefficients1keV to 20 MeV for Elements Z=1 to 92 and 48 Additional Substances of Dosimetric Interest. Gaithersburg: National Institute of Standards and Technology, 1995. 50