Study on natural abundance measurement using flat-laser Compton scattering gamma-ray beam in UVSOR

Nishimoto, Kai*; Zen, H.*; Ogaki, Hideaki*; Shizuma, Toshiyuki*; Omer, M. ; Hayakawa, Takehito*

Our research group has been studying isotope CT imaging, and is currently working on simultaneous imaging of multiple isotopes. For this purpose, we have devised a method (Flat-LCS) that uses the helical undulator of the storage ring to broaden the energy distribution and reduce the spatial dependence of gamma-ray energy while keeping the beam diameter of a normal laser Compton gamma ray small, and have been conducting experiments at UVSOR. In this study, we measured the isotope abundance ratio of natural lead using the F-LCS beam and the normal LCS, and we report the results.

Language	:	Japanese
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Meeting title	:	日本原子力学会2025年春の年会
Held date	:	2025/03
Location (city)	:	online
Location (country)	:	日本
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DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	LCS gamma-ray beam; NRF; Isotope Ratio
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Cooperating Institute	:	量子科学技術研究開発機構; 京都大学エネルギー理工学研究所

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Registration No. : BB20242155
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