Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources

F. Atchison; B. Blau; A. Bollhalder; M. Daum; P. Fierlinger; P. Geltenbort; G. Hampel; M. Kasprzak; K. Kirch; S. Köchli; B. Kuczewski; H. Leber; M. Locher; M. Meier; S. Ochse; A. Pichlmaier; C. Plonka; R. Reiser; J. Ulrich; X. Wang; N. Wiehl; O. Zimmer; G. Zsigmond

doi:10.1016/j.nima.2009.06.047

Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources

F. Atchison
, B. Blau
, A. Bollhalder
, M. Daum
, P. Fierlinger
, P. Geltenbort
, G. Hampel
, M. Kasprzak
, K. Kirch
, S. Köchli
, B. Kuczewski
, H. Leber
, M. Locher
, M. Meier
, S. Ochse
, A. Pichlmaier
, C. Plonka
, R. Reiser
, J. Ulrich
, X. Wang

N. Wiehl, O. Zimmer, G. Zsigmond

Chair of Precision Measurements at Extreme Conditions

Paul Scherrer Institut
Technical University of Munich
University of Virginia School of Engineering and Applied Science
University of Zurich
Institut Laue-Langevin
Johannes Gutenberg University
Stefan Meyer Institut für Subatomare Physik (SMI)
Graz University of Technology (TU Graz)

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

14 Scopus citations

Abstract

At the Paul Scherrer Institute (PSI), a very intense source of ultracold neutrons (UCN) is being built. The UCN converter of solid deuterium must be contained in a vessel. Produced UCN leave that vessel through its top lid. To decide on the design of the vessel and the top lid, we have measured the transmission of neutrons with velocities between 3 and 20 m/s through different material foils. Contrary to expectations, we found that transmission through aluminium and aluminium alloys is equal or even higher compared to zirconium and reactor-grade zirconium alloys, respectively.

Original language	English
Pages (from-to)	144-151
Number of pages	8
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	608
Issue number	1
DOIs	https://doi.org/10.1016/j.nima.2009.06.047
State	Published - 1 Sep 2009

Keywords

Neutron sources
Ultracold neutron sources
Ultracold neutrons

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10.1016/j.nima.2009.06.047

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Atchison, F., Blau, B., Bollhalder, A., Daum, M., Fierlinger, P., Geltenbort, P., Hampel, G., Kasprzak, M., Kirch, K., Köchli, S., Kuczewski, B., Leber, H., Locher, M., Meier, M., Ochse, S., Pichlmaier, A., Plonka, C., Reiser, R., Ulrich, J., ... Zsigmond, G. (2009). Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 608(1), 144-151. https://doi.org/10.1016/j.nima.2009.06.047

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abstract = "At the Paul Scherrer Institute (PSI), a very intense source of ultracold neutrons (UCN) is being built. The UCN converter of solid deuterium must be contained in a vessel. Produced UCN leave that vessel through its top lid. To decide on the design of the vessel and the top lid, we have measured the transmission of neutrons with velocities between 3 and 20 m/s through different material foils. Contrary to expectations, we found that transmission through aluminium and aluminium alloys is equal or even higher compared to zirconium and reactor-grade zirconium alloys, respectively.",

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Atchison, F, Blau, B, Bollhalder, A, Daum, M, Fierlinger, P, Geltenbort, P, Hampel, G, Kasprzak, M, Kirch, K, Köchli, S, Kuczewski, B, Leber, H, Locher, M, Meier, M, Ochse, S, Pichlmaier, A, Plonka, C, Reiser, R, Ulrich, J, Wang, X, Wiehl, N, Zimmer, O & Zsigmond, G 2009, 'Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 608, no. 1, pp. 144-151. https://doi.org/10.1016/j.nima.2009.06.047

Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources. / Atchison, F.; Blau, B.; Bollhalder, A. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 608, No. 1, 01.09.2009, p. 144-151.

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

TY - JOUR

T1 - Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources

AU - Atchison, F.

AU - Blau, B.

AU - Bollhalder, A.

AU - Daum, M.

AU - Fierlinger, P.

AU - Geltenbort, P.

AU - Hampel, G.

AU - Kasprzak, M.

AU - Kirch, K.

AU - Köchli, S.

AU - Kuczewski, B.

AU - Leber, H.

AU - Locher, M.

AU - Meier, M.

AU - Ochse, S.

AU - Pichlmaier, A.

AU - Plonka, C.

AU - Reiser, R.

AU - Ulrich, J.

AU - Wang, X.

AU - Wiehl, N.

AU - Zimmer, O.

AU - Zsigmond, G.

PY - 2009/9/1

Y1 - 2009/9/1

N2 - At the Paul Scherrer Institute (PSI), a very intense source of ultracold neutrons (UCN) is being built. The UCN converter of solid deuterium must be contained in a vessel. Produced UCN leave that vessel through its top lid. To decide on the design of the vessel and the top lid, we have measured the transmission of neutrons with velocities between 3 and 20 m/s through different material foils. Contrary to expectations, we found that transmission through aluminium and aluminium alloys is equal or even higher compared to zirconium and reactor-grade zirconium alloys, respectively.

AB - At the Paul Scherrer Institute (PSI), a very intense source of ultracold neutrons (UCN) is being built. The UCN converter of solid deuterium must be contained in a vessel. Produced UCN leave that vessel through its top lid. To decide on the design of the vessel and the top lid, we have measured the transmission of neutrons with velocities between 3 and 20 m/s through different material foils. Contrary to expectations, we found that transmission through aluminium and aluminium alloys is equal or even higher compared to zirconium and reactor-grade zirconium alloys, respectively.

KW - Neutron sources

KW - Ultracold neutron sources

KW - Ultracold neutrons

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DO - 10.1016/j.nima.2009.06.047

M3 - Article

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SN - 0168-9002

VL - 608

SP - 144

EP - 151

JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

IS - 1

ER -

Atchison F, Blau B, Bollhalder A, Daum M, Fierlinger P, Geltenbort P et al. Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2009 Sep 1;608(1):144-151. doi: 10.1016/j.nima.2009.06.047

Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources

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