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Multi-Grid boron-10 detector for time-of-flight spectrometers in neutron scattering science

Birch, J. ; Buffet, J. C. ; Clergeau, J. F. ; Van Esch, P. ; Etxegarai, M. ; Ferraton, M. ; Guerard, B. ; Hall-Wilton, R. LU ; Hultman, L. and Höglund, C. LU , et al. (2016) 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2015
Abstract

The Multi-Grid (MG) detector has been introduced at ILL and developed by a collaboration between ILL, ESS and Linkoping University. This detector design addresses the severely decreased availability of He3, in particular for neutron scattering instruments with large-area detectors, such as time-of-flight neutron spectrometers at ESS and other facilities. The MG detector is based on thin converter films of boron-10 carbide arranged in layers orthogonal to the incoming neutrons. The design of the detector provides position resolution, efficiency competitive with He3 and a strong gamma rejection capability. This paper presents the MG large-area (2.4m2) demonstrator and the progress made in order to meet the needs of production of... (More)

The Multi-Grid (MG) detector has been introduced at ILL and developed by a collaboration between ILL, ESS and Linkoping University. This detector design addresses the severely decreased availability of He3, in particular for neutron scattering instruments with large-area detectors, such as time-of-flight neutron spectrometers at ESS and other facilities. The MG detector is based on thin converter films of boron-10 carbide arranged in layers orthogonal to the incoming neutrons. The design of the detector provides position resolution, efficiency competitive with He3 and a strong gamma rejection capability. This paper presents the MG large-area (2.4m2) demonstrator and the progress made in order to meet the needs of production of B4C-coated layers, mechanical parts and assembly on a scale similar to that of the final detectors for ESS. A particular effort was made to produce aluminium detector parts with a low alpha background, successfully reducing the background rate to acceptable levels. Following the IN5 demonstrator, a compact prototype has been designed in order to finalise the electronic readout to be used at the ESS instruments equipped with the MG.

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organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
Helium-3 alternatives, Multi-Grid detector, Time of flight spectrometer
host publication
2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2015
article number
7582004
publisher
IEEE - Institute of Electrical and Electronics Engineers Inc.
conference name
2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2015
conference location
San Diego, United States
conference dates
2015-10-31 - 2015-11-07
external identifiers
  • scopus:84994096884
ISBN
9781467398626
DOI
10.1109/NSSMIC.2015.7582004
language
English
LU publication?
yes
id
4a5a52db-5de7-4772-928d-85b0ba68023c
date added to LUP
2016-12-07 12:47:41
date last changed
2022-03-24 03:49:38
@inproceedings{4a5a52db-5de7-4772-928d-85b0ba68023c,
  abstract     = {{<p>The Multi-Grid (MG) detector has been introduced at ILL and developed by a collaboration between ILL, ESS and Linkoping University. This detector design addresses the severely decreased availability of He3, in particular for neutron scattering instruments with large-area detectors, such as time-of-flight neutron spectrometers at ESS and other facilities. The MG detector is based on thin converter films of boron-10 carbide arranged in layers orthogonal to the incoming neutrons. The design of the detector provides position resolution, efficiency competitive with He3 and a strong gamma rejection capability. This paper presents the MG large-area (2.4m2) demonstrator and the progress made in order to meet the needs of production of B4C-coated layers, mechanical parts and assembly on a scale similar to that of the final detectors for ESS. A particular effort was made to produce aluminium detector parts with a low alpha background, successfully reducing the background rate to acceptable levels. Following the IN5 demonstrator, a compact prototype has been designed in order to finalise the electronic readout to be used at the ESS instruments equipped with the MG.</p>}},
  author       = {{Birch, J. and Buffet, J. C. and Clergeau, J. F. and Van Esch, P. and Etxegarai, M. and Ferraton, M. and Guerard, B. and Hall-Wilton, R. and Hultman, L. and Höglund, C. and Khaplanov, A. and Piscitelli, F. and Stefanescu, I.}},
  booktitle    = {{2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2015}},
  isbn         = {{9781467398626}},
  keywords     = {{Helium-3 alternatives; Multi-Grid detector; Time of flight spectrometer}},
  language     = {{eng}},
  month        = {{10}},
  publisher    = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}},
  title        = {{Multi-Grid boron-10 detector for time-of-flight spectrometers in neutron scattering science}},
  url          = {{http://dx.doi.org/10.1109/NSSMIC.2015.7582004}},
  doi          = {{10.1109/NSSMIC.2015.7582004}},
  year         = {{2016}},
}