A boron-coated ionization chamber for ultra-cold neutron detection

D. J. Salvat; C. L. Morris; Z. Wang; E. R. Adamek; J. Bacon; K. P. Hickerson; J. Hoagland; A. T. Holley; C. Y. Liu; M. Makela; J. Ramsey; A. Reid; R. Rios; A. Saunders; S. K.L. Sjue; B. Vorndick; A. R. Young

doi:10.1016/j.nima.2012.06.041

A boron-coated ionization chamber for ultra-cold neutron detection

D. J. Salvat, C. L. Morris, Z. Wang, E. R. Adamek, J. Bacon, K. P. Hickerson, J. Hoagland, A. T. Holley, C. Y. Liu, M. Makela, J. Ramsey, A. Reid, R. Rios, A. Saunders, S. K.L. Sjue, B. Vorndick, A. R. Young

Neutron Symmetries

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Abstract

The design and performance of a boron-coated ionization chamber for the detection of ultra-cold neutrons (UCN) are presented. We detect UCN from the solid deuterium-based UCN source at the Los Alamos Neutron Science Center. Our results indicate comparable efficiency to ³He ionization chambers and proportional counters currently used at the UCN source. In addition, the ion chamber is used to detect thermal neutrons; a comparison of the thermal neutron and UCN pulse-height spectra indicates that UCN mostly capture near the layer surface.

Original language	English
Pages (from-to)	109-112
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	691
DOIs	https://doi.org/10.1016/j.nima.2012.06.041
State	Published - Nov 1 2012

Funding

The UCN facility at LANSCE is supported by DOE and LANL LDRD programs . In addition, D.J.S. is supported in part by the DOE Office of Science Graduate Fellowship Program (DOE SCGF), made possible in part by the American Recovery and Reinvestment Act of 2009 , administered by ORISE-ORAU under contract No. DE-AC05-06OR23100 .

Keywords

B
H replacement
Ionization chamber
Ultracold neutrons

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10.1016/j.nima.2012.06.041

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Salvat, D. J., Morris, C. L., Wang, Z., Adamek, E. R., Bacon, J., Hickerson, K. P., Hoagland, J., Holley, A. T., Liu, C. Y., Makela, M., Ramsey, J., Reid, A., Rios, R., Saunders, A., Sjue, S. K. L., Vorndick, B., & Young, A. R. (2012). A boron-coated ionization chamber for ultra-cold neutron detection. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 691, 109-112. https://doi.org/10.1016/j.nima.2012.06.041

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title = "A boron-coated ionization chamber for ultra-cold neutron detection",

abstract = "The design and performance of a boron-coated ionization chamber for the detection of ultra-cold neutrons (UCN) are presented. We detect UCN from the solid deuterium-based UCN source at the Los Alamos Neutron Science Center. Our results indicate comparable efficiency to 3He ionization chambers and proportional counters currently used at the UCN source. In addition, the ion chamber is used to detect thermal neutrons; a comparison of the thermal neutron and UCN pulse-height spectra indicates that UCN mostly capture near the layer surface.",

keywords = "B, H replacement, Ionization chamber, Ultracold neutrons",

author = "Salvat, {D. J.} and Morris, {C. L.} and Z. Wang and Adamek, {E. R.} and J. Bacon and Hickerson, {K. P.} and J. Hoagland and Holley, {A. T.} and Liu, {C. Y.} and M. Makela and J. Ramsey and A. Reid and R. Rios and A. Saunders and Sjue, {S. K.L.} and B. Vorndick and Young, {A. R.}",

year = "2012",

month = nov,

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doi = "10.1016/j.nima.2012.06.041",

language = "English",

volume = "691",

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journal = "Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",

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Salvat, DJ, Morris, CL, Wang, Z, Adamek, ER, Bacon, J, Hickerson, KP, Hoagland, J, Holley, AT, Liu, CY, Makela, M, Ramsey, J, Reid, A, Rios, R, Saunders, A, Sjue, SKL, Vorndick, B & Young, AR 2012, 'A boron-coated ionization chamber for ultra-cold neutron detection', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 691, pp. 109-112. https://doi.org/10.1016/j.nima.2012.06.041

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T1 - A boron-coated ionization chamber for ultra-cold neutron detection

AU - Salvat, D. J.

AU - Morris, C. L.

AU - Wang, Z.

AU - Adamek, E. R.

AU - Bacon, J.

AU - Hickerson, K. P.

AU - Hoagland, J.

AU - Holley, A. T.

AU - Liu, C. Y.

AU - Makela, M.

AU - Ramsey, J.

AU - Reid, A.

AU - Rios, R.

AU - Saunders, A.

AU - Sjue, S. K.L.

AU - Vorndick, B.

AU - Young, A. R.

PY - 2012/11/1

Y1 - 2012/11/1

N2 - The design and performance of a boron-coated ionization chamber for the detection of ultra-cold neutrons (UCN) are presented. We detect UCN from the solid deuterium-based UCN source at the Los Alamos Neutron Science Center. Our results indicate comparable efficiency to 3He ionization chambers and proportional counters currently used at the UCN source. In addition, the ion chamber is used to detect thermal neutrons; a comparison of the thermal neutron and UCN pulse-height spectra indicates that UCN mostly capture near the layer surface.

AB - The design and performance of a boron-coated ionization chamber for the detection of ultra-cold neutrons (UCN) are presented. We detect UCN from the solid deuterium-based UCN source at the Los Alamos Neutron Science Center. Our results indicate comparable efficiency to 3He ionization chambers and proportional counters currently used at the UCN source. In addition, the ion chamber is used to detect thermal neutrons; a comparison of the thermal neutron and UCN pulse-height spectra indicates that UCN mostly capture near the layer surface.

KW - B

KW - H replacement

KW - Ionization chamber

KW - Ultracold neutrons

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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

ER -

A boron-coated ionization chamber for ultra-cold neutron detection

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