TU Darmstadt / ULB / TUprints

Time- and energy-resolved effects in the boron-10 based multi-grid and helium-3 based thermal neutron detectors

Backis, A. ; Khaplanov, A. ; Al Jebali, R. ; Ammer, R. ; Apostolidis, I. ; Birch, J. ; Lai, C. C. ; Deen, P. P. ; Etxegarai, M. ; Ruette, N. de ; Freita Ramos, J. ; Förster, D. F. ; Haettner, E. ; Hall-Wilton, R. ; Hamilton, D. ; Höglund, C. ; Kadletz, P. M. ; Kanaki, K. ; Karnickis, E. ; Kirstein, O. ; Kolya, S. ; Kraujalyte, Z. ; Laloni, A. ; Livingston, K. ; Löhman, O. ; Maulerova, V. ; Mauritzon, N. ; Müller, F. ; Lopez Higuera, I. ; Richter, T. ; Robinson, L. ; Roth, R. ; Shetty, M. ; Taylor, J. ; Woracek, R. ; Xiong, W. (2024)
Time- and energy-resolved effects in the boron-10 based multi-grid and helium-3 based thermal neutron detectors.
In: Measurement Science and Technology, 2020, 32 (3)
doi: 10.26083/tuprints-00020470
Article, Secondary publication, Publisher's Version

[img] Text
mst_32_3_035903.pdf
Copyright Information: CC BY 4.0 International - Creative Commons, Attribution.

Download (3MB)
[img] Text (Supplement)
mstabc63esupp1.pdf
Copyright Information: CC BY 4.0 International - Creative Commons, Attribution.

Download (4MB)
Item Type: Article
Type of entry: Secondary publication
Title: Time- and energy-resolved effects in the boron-10 based multi-grid and helium-3 based thermal neutron detectors
Language: English
Date: 25 March 2024
Place of Publication: Darmstadt
Year of primary publication: 2020
Place of primary publication: Bristol
Publisher: IOP Publishing
Journal or Publication Title: Measurement Science and Technology
Volume of the journal: 32
Issue Number: 3
Collation: 22 Seiten
DOI: 10.26083/tuprints-00020470
Corresponding Links:
Origin: Secondary publication DeepGreen
Abstract:

The boron-10 based multi-grid detector is being developed as an alternative to helium-3 based neutron detectors. At the European Spallation Source, the detector will be used for time-of-flight neutron spectroscopy at cold to thermal neutron energies. The objective of this work is to investigate fine time- and energy-resolved effects of the Multi-Grid detector, down to a few µeV, while comparing it to the performance of a typical helium-3 tube. Furthermore, it is to characterize differences between the detector technologies in terms of internal scattering, as well as the time reconstruction of ∼ µs short neutron pulses. The data were taken at the Helmholtz Zentrum Berlin, where the Multi-Grid detector and a helium-3 tube were installed at the ESS test beamline, V20. Using a Fermi-chopper, the neutron beam of the reactor was chopped into a few tens of µs wide pulses before reaching the detector, located a few tens of cm downstream. The data of the measurements show an agreement between the derived and calculated neutron detection efficiency curve. The data also provide fine details on the effect of internal scattering, and how it can be reduced. For the first time, the chopper resolution was comparable to the timing resolution of the Multi-Grid detector. This allowed a detailed study of time- and energy resolved effects, as well as a comparison with a typical helium-3 tube.

Uncontrolled Keywords: neutron detectors, gaseous detectors, boron-10, multi-grid detector, helium-3, time resolution
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-204706
Classification DDC: 500 Science and mathematics > 530 Physics
Divisions: 05 Department of Physics > Institute for Condensed Matter Physics
Date Deposited: 25 Mar 2024 10:26
Last Modified: 12 Jun 2024 06:35
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/20470
PPN: 519002202
Export:
Actions (login required)
View Item View Item