Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy

Wanchun Wei; L. J. Broussard; M. A. Hoffbauer; M. Makela; C. L. Morris; Z. Tang; E. R. Adamek; N. B. Callahan; S. M. Clayton; C. Cude-Woods; S. Currie; E. B. Dees; X. Ding; P. Geltenbort; K. P. Hickerson; A. T. Holley; T. M. Ito; K. K. Leung; C. Y. Liu; D. J. Morley; Jose D. Ortiz; R. W. Pattie; J. C. Ramsey; A. Saunders; S. J. Seestrom; E. I. Sharapov; S. K. Sjue; J. Wexler; T. L. Womack; A. R. Young; B. A. Zeck; Zhehui Wang

doi:10.1016/j.nima.2016.05.058

Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy

Wanchun Wei, L. J. Broussard, M. A. Hoffbauer, M. Makela, C. L. Morris, Z. Tang, E. R. Adamek, N. B. Callahan, S. M. Clayton, C. Cude-Woods, S. Currie, E. B. Dees, X. Ding, P. Geltenbort, K. P. Hickerson, A. T. Holley, T. M. Ito, K. K. Leung, C. Y. Liu, D. J. MorleyJose D. Ortiz, R. W. Pattie, J. C. Ramsey, A. Saunders, S. J. Seestrom, E. I. Sharapov, S. K. Sjue, J. Wexler, T. L. Womack, A. R. Young, B. A. Zeck, Zhehui Wang

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

2 Scopus citations

Abstract

Position-sensitive detection of ultracold neutrons (UCNs) is demonstrated using an imaging charge-coupled device (CCD) camera. A spatial resolution less than 15μm has been achieved, which is equivalent to a UCN energy resolution below 2 pico-electron-volts through the relation δE=_m0gδx. Here, the symbols δE, δx, m₀ and g are the energy resolution, the spatial resolution, the neutron rest mass and the gravitational acceleration, respectively. A multilayer surface convertor described previously is used to capture UCNs and then emits visible light for CCD imaging. Particle identification and noise rejection are discussed through the use of light intensity profile analysis. This method allows different types of UCN spectroscopy and other applications.

Original language	English
Pages (from-to)	36-43
Number of pages	8
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	830
DOIs	https://doi.org/10.1016/j.nima.2016.05.058
State	Published - Sep 11 2016
Externally published	Yes

Funding

We gratefully acknowledge the support from the U.S. Department of Energy through the LANL/LDRD Program. L.J.B. is partly supported by the G.T. Seaborg Institute and Los Alamos Science Campaign C1 for this work.

Funders	Funder number
G.T. Seaborg Institute
LANL/LDRD
Los Alamos Science Campaign
National Science Foundation	1506459, 1306997
U.S. Department of Energy

Keywords

Imaging detector
Multilayer B surface detector
UCN spectroscopy

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10.1016/j.nima.2016.05.058

Cite this

Wei, W., Broussard, L. J., Hoffbauer, M. A., Makela, M., Morris, C. L., Tang, Z., Adamek, E. R., Callahan, N. B., Clayton, S. M., Cude-Woods, C., Currie, S., Dees, E. B., Ding, X., Geltenbort, P., Hickerson, K. P., Holley, A. T., Ito, T. M., Leung, K. K., Liu, C. Y., ... Wang, Z. (2016). Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 830, 36-43. https://doi.org/10.1016/j.nima.2016.05.058

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abstract = "Position-sensitive detection of ultracold neutrons (UCNs) is demonstrated using an imaging charge-coupled device (CCD) camera. A spatial resolution less than 15μm has been achieved, which is equivalent to a UCN energy resolution below 2 pico-electron-volts through the relation δE=m0gδx. Here, the symbols δE, δx, m0 and g are the energy resolution, the spatial resolution, the neutron rest mass and the gravitational acceleration, respectively. A multilayer surface convertor described previously is used to capture UCNs and then emits visible light for CCD imaging. Particle identification and noise rejection are discussed through the use of light intensity profile analysis. This method allows different types of UCN spectroscopy and other applications.",

keywords = "Imaging detector, Multilayer B surface detector, UCN spectroscopy",

author = "Wanchun Wei and Broussard, {L. J.} and Hoffbauer, {M. A.} and M. Makela and Morris, {C. L.} and Z. Tang and Adamek, {E. R.} and Callahan, {N. B.} and Clayton, {S. M.} and C. Cude-Woods and S. Currie and Dees, {E. B.} and X. Ding and P. Geltenbort and Hickerson, {K. P.} and Holley, {A. T.} and Ito, {T. M.} and Leung, {K. K.} and Liu, {C. Y.} and Morley, {D. J.} and Ortiz, {Jose D.} and Pattie, {R. W.} and Ramsey, {J. C.} and A. Saunders and Seestrom, {S. J.} and Sharapov, {E. I.} and Sjue, {S. K.} and J. Wexler and Womack, {T. L.} and Young, {A. R.} and Zeck, {B. A.} and Zhehui Wang",

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year = "2016",

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day = "11",

doi = "10.1016/j.nima.2016.05.058",

language = "English",

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Wei, W, Broussard, LJ, Hoffbauer, MA, Makela, M, Morris, CL, Tang, Z, Adamek, ER, Callahan, NB, Clayton, SM, Cude-Woods, C, Currie, S, Dees, EB, Ding, X, Geltenbort, P, Hickerson, KP, Holley, AT, Ito, TM, Leung, KK, Liu, CY, Morley, DJ, Ortiz, JD, Pattie, RW, Ramsey, JC , Saunders, A, Seestrom, SJ, Sharapov, EI, Sjue, SK, Wexler, J, Womack, TL, Young, AR, Zeck, BA & Wang, Z 2016, 'Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 830, pp. 36-43. https://doi.org/10.1016/j.nima.2016.05.058

Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy. / Wei, Wanchun; Broussard, L. J.; Hoffbauer, M. A. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 830, 11.09.2016, p. 36-43.

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

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T1 - Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy

AU - Wei, Wanchun

AU - Broussard, L. J.

AU - Hoffbauer, M. A.

AU - Makela, M.

AU - Morris, C. L.

AU - Tang, Z.

AU - Adamek, E. R.

AU - Callahan, N. B.

AU - Clayton, S. M.

AU - Cude-Woods, C.

AU - Currie, S.

AU - Dees, E. B.

AU - Ding, X.

AU - Geltenbort, P.

AU - Hickerson, K. P.

AU - Holley, A. T.

AU - Ito, T. M.

AU - Leung, K. K.

AU - Liu, C. Y.

AU - Morley, D. J.

AU - Ortiz, Jose D.

AU - Pattie, R. W.

AU - Ramsey, J. C.

AU - Saunders, A.

AU - Seestrom, S. J.

AU - Sharapov, E. I.

AU - Sjue, S. K.

AU - Wexler, J.

AU - Womack, T. L.

AU - Young, A. R.

AU - Zeck, B. A.

AU - Wang, Zhehui

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AB - Position-sensitive detection of ultracold neutrons (UCNs) is demonstrated using an imaging charge-coupled device (CCD) camera. A spatial resolution less than 15μm has been achieved, which is equivalent to a UCN energy resolution below 2 pico-electron-volts through the relation δE=m0gδx. Here, the symbols δE, δx, m0 and g are the energy resolution, the spatial resolution, the neutron rest mass and the gravitational acceleration, respectively. A multilayer surface convertor described previously is used to capture UCNs and then emits visible light for CCD imaging. Particle identification and noise rejection are discussed through the use of light intensity profile analysis. This method allows different types of UCN spectroscopy and other applications.

KW - Imaging detector

KW - Multilayer B surface detector

KW - UCN spectroscopy

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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 -

Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy

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