@article{oai:repo.qst.go.jp:00049497,
 author = {Nakamura, Shoji and Terada, Kazushi and Kimura, Atsushi and Nakao, Taro and Iwamoto, Osamu and Harada, Hideo and Uehara, Akihiro and Takamiya, Koichi and Fujii, Toshiyuki and Uehara, Akihiro},
 issue = {1},
 journal = {Journal of Nuclear Science and Technology},
 month = {Nov},
 note = {Accurate data of gamma-ray emission probabilities are frequently needed when one quantitatively determines the amount of isotope by gamma-ray measurements or obtains neutron capture cross-sections using them. Americium-243, one of the most important minor actinides, produces 244Am after neutron capture. The 744-keV gamma-ray decaying from the ground state of 244Am has a relatively large gamma-ray emission probability about 66%; however, its uncertainty is as large as 29%. The uncertainty of the gamma-ray emission probability leads to a major factor of the systematic uncertainty on determining an amount of isotope, and therefore the gamma-ray emission probability was measured by using an activation method and an examined level structure of 244Cm. In this study, the emission probability of 744-keV gamma-ray was derived as 66.5 ± 1.1%, and its uncertainty was improved from 29% to 2%.},
 pages = {123--129},
 title = {Measurements of gamma-ray emission probabilities in the decay of americium-244g},
 volume = {56},
 year = {2018}
}