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Precise emission probabilities of gamma-rays of 159Gd
N Marnada1, H Miyahara, N Ueda
1Department of Nuclear Engineering, Graduate School of Engineering, Nagoya University, Japan. nada@avocet.nucl.nagoya-u.ac.jp
Abstract:
Measurement of emission probabilities for principal gamma-rays of 159Gd with 4pibeta(ppc)-gamma(HPGe) coincidence apparatus has given precise values as indicated by uncertainties of about 1%. Improved certainties are seen when comparing the present results with emission probabilities evaluated in Nuclear Data Sheets (Helmer, 1994, p. 72) for which the uncertainties are about 24%. The improvement resulted in precise decay scheme parameters of the nuclide.