Absolute X-ray energy measurement using a high-accuracy angle encoder
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This paper presents an absolute X-ray photon energy measurement method that uses a Bond diffractometer. The proposed system enables the prompt and rapid in situ measurement of photon energies over a wide energy range. The diffractometer uses a reference silicon single-crystal plate and a highly accurate angle encoder called SelfA. The performance of the system is evaluated by repeatedly measuring the energy of the first excited state of the potassium-40 nuclide. The excitation energy is determined as 29829.39 (6) eV, and this is one order of magnitude more accurate than the previous measurement. The estimated uncertainty of the photon energy measurement was 0.7 p.p.m. as a standard deviation and the maximum observed deviation was 2 p.p.m.
収録刊行物
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- Journal of Synchrotron Radiation
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Journal of Synchrotron Radiation 28 (1), 111-119, 2021-01
International Union of Crystallography
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詳細情報 詳細情報について
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- CRID
- 1050850092123209856
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- NII論文ID
- 120006956810
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- NII書誌ID
- AA11022317
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- ISSN
- 09090495
- 16005775
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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