Measurements of the neutron absorption in supermirror coatings

D. D. DiJulio; V. Santoro; A. Devishvili; A. Khaplanov; R. Kolevatov; M. Magán; T. M. Miller; G. Muhrer

doi:10.1016/j.nima.2021.166088

Measurements of the neutron absorption in supermirror coatings

D. D. DiJulio, V. Santoro, A. Devishvili, A. Khaplanov, R. Kolevatov, M. Magán, T. M. Miller, G. Muhrer

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

In this work we report on measurements of neutron absorption in supermirror coatings. The measurements were carried out using the SuperADAM instrument at the Institut Laue-Langevin and by measuring the gamma-ray production from m=3 and m=4 neutron supermirrors when illuminated by a beam of neutrons. The results provide a valuable validation for recent computational and theoretical work that can be used as input to Monte-Carlo radiation transport calculations for the design of the shielding of neutron scattering instruments.

Original language	English
Article number	166088
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	1025
DOIs	https://doi.org/10.1016/j.nima.2021.166088
State	Published - Feb 11 2022
Externally published	Yes

Funding

The authors would like to thank Ken Andersen, Phil Bentley, Feri Mezei, and Luca Zanini for valuable discussions related to various aspects of this work. The authors would like to also thank Mirrotron Ltd. for providing the development test mirrors used in the measurements.

Keywords

Gamma-ray production
Neutron absorption
Neutron scattering instruments
Radiation shielding calculations
Supermirror

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10.1016/j.nima.2021.166088

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DiJulio, D. D., Santoro, V., Devishvili, A., Khaplanov, A., Kolevatov, R., Magán, M., Miller, T. M., & Muhrer, G. (2022). Measurements of the neutron absorption in supermirror coatings. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1025, Article 166088. https://doi.org/10.1016/j.nima.2021.166088

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AU - Santoro, V.

AU - Devishvili, A.

AU - Khaplanov, A.

AU - Kolevatov, R.

AU - Magán, M.

AU - Miller, T. M.

AU - Muhrer, G.

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AB - In this work we report on measurements of neutron absorption in supermirror coatings. The measurements were carried out using the SuperADAM instrument at the Institut Laue-Langevin and by measuring the gamma-ray production from m=3 and m=4 neutron supermirrors when illuminated by a beam of neutrons. The results provide a valuable validation for recent computational and theoretical work that can be used as input to Monte-Carlo radiation transport calculations for the design of the shielding of neutron scattering instruments.

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Measurements of the neutron absorption in supermirror coatings

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Keywords

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