Absolute measurement of the branching ratio for the 277.6-keV line of239Np

Mozhaev, V. K.; Dulin, V. A.; Kazanskii, Yu. A.

doi:10.1007/bf01133445

Cited by 6 publications

(2 citation statements)

References 3 publications

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“…Figures 10 and 11 show the measurement data for the gamma-ray emission probability of 74.66 keV from 243 Am and 277.60 keV from 239 Np in chronological order, respectively [20][21][22][23][24][25][26][27]. The value from ENSDF is also shown in the figure [30].…”

Section: Data Analysis and Resultsmentioning

confidence: 99%

“…In the recent study of Iwahara et al [18], a 4π(proportional counter) α-γ coincidence method and a liquid scintillator were used for 241 Am activity determination, and the gamma-ray emission probability of 59.54 keV was determined with a relative uncertainty of 0.47% using a calibrated planner type Ge detector. The gamma-ray emission probabilities of 243 Am and 239 Np have been measured [20][21][22][23][24][25][26][27]. Woods et al [27] applied the 4π(PC) α-γ coincidence method for activity determination and gamma-ray spectrometry with an intrinsic Ge detector.…”

Section: Introductionmentioning

confidence: 99%

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Measurements of gamma-ray emission probabilities of ^{241, 243}Am and ²³⁹Np

Terada

Nakamura

Nakao

et al. 2016

Journal of Nuclear Science and Technology

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Gamma-ray emission probabilities of 241, 243 Am and 239 Np have been precisely measured with gamma-and alpha-ray spectroscopic methods. The activities of the samples were determined by measuring alpha particles using a Si semiconductor detector. Gamma rays emitted from the samples were measured with a planar type High-Purity Germanium (HPGe) detector. An efficiency curve of the HPGe detector was derived with uncertainties from 0.7% to 2.5% by combining measured efficiencies and Monte Carlo simulation. The gamma-ray emission probabilities for the major gamma rays of these nuclides were determined with uncertainties less than 1.2%.

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