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Measurement of the $$^{133}$$Cs(n,$$gamma$$) cross-section using a New DAQ System at ANNRI

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

Recently a new data acquisition system (DAQ system) has been installed for the high-purity germanium (HPGe) detector array at the Accurate Neutron-Nucleus Reaction Measurement Instrument (BL04-ANNRI) at J-PARC MLF, notably featuring much lower dead-time in comparison to the previous DAQ system. Using this new DAQ system, a measurement of the cross-section of $$^{133}$$Cs(n,$$gamma$$) has been conducted at J-PARC MLF. $$^{133}$$Cs is of notable importance because it is 100% of natural Cs, and $$^{135}$$Cs is a long-lived fission product. Nuclear data on $$^{135}$$Cs will be vital for the development of a system for transmuting nuclear waste products into stable or shorter-lived nuclides, reducing the environmental impact of nuclear power. High quality data for $$^{133}$$Cs is vital for analysis of experimental data of $$^{135}$$Cs.

Language

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English

Journal

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J-PARC 17-07; J-PARC MLF Annual Report 2016

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Pages

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p.88 - 89

Publication Year/Month

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2017/03

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Patent information

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PDF

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Paper URL

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https://j-parc.jp/researcher/MatLife/ja/publication/files/MLF-AR_2016.pdf

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Keywords

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ImPACT; 中性子捕獲断面積; ANNRI; Cs; 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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