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Measurement of the neutron-capture cross-section of $$^{133}$$Cs using ANNRI in the MLF at J-PARC

Hales, B. P.; Nakamura, Shoji  ; Kimura, Atsushi   ; Iwamoto, Osamu  

As part of the ImPACT project, it is currently planned to measure the neutron cross-section of $$^{135}$$Cs (half-life $$2.3 times 10^6$$ y), a long-lived fission product (LLFP), via neutron time-of-flight (TOF) method using ANNRI in the Material and Life science Facility (MLF) at the Japan Proton Accelerator Research Complex (J-PARC). $$^{133}$$Cs (natural Cs, stable) exists as a contaminant in the $$^{135}$$Cs sample. To make an accurate measurement of $$^{135}$$Cs, accurate data of the $$^{133}$$Cs cross-section is required. We have measured the neutron cross-section in the thermal and epithermal energy regions. We will report on the measured cross-section data, resonances, and our methodology.

Language

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Japanese

Journal

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Meeting title

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東海・重イオン科学シンポジウム; タンデム加速器成果報告会

Held date

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2017/01

Location (city)

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東海

Location (country)

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日本

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DOI for research data

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Keywords

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ImPACT; Cross Section; ANNRI; Cs-133; TOF

Research Facility

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J-PARC物質・生命科学実験施設  

Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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科学技術振興機構

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- Accesses

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