KOŠŤÁL, Michal, Jaroslav ŠOLTÉS, Ladislav VIERERBL, Zdeněk MATĚJ, František CVACHOVEC, Vojtěch RYPAR and Evžen LOSA. Measurement of Neutron Spectra in a Silicon Filtered Neutron Beam Using Stilbene Detectors at the LVR-15 Research Reactor. Applied Radiation and Isotopes. Amsterdam: Elsevier, vol. 128, October 2017, p. 41-48. ISSN 0969-8043. doi:10.1016/j.apradiso.2017.06.026. 2017.
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Basic information
Original name Measurement of Neutron Spectra in a Silicon Filtered Neutron Beam Using Stilbene Detectors at the LVR-15 Research Reactor
Authors KOŠŤÁL, Michal (203 Czech Republic), Jaroslav ŠOLTÉS (203 Czech Republic), Ladislav VIERERBL (203 Czech Republic), Zdeněk MATĚJ (203 Czech Republic, guarantor, belonging to the institution), František CVACHOVEC (203 Czech Republic), Vojtěch RYPAR (203 Czech Republic) and Evžen LOSA (203 Czech Republic).
Edition Applied Radiation and Isotopes, Amsterdam, Elsevier, 2017, 0969-8043.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10201 Computer sciences, information science, bioinformatics
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 1.123
RIV identification code RIV/00216224:14330/17:00097124
Organization unit Faculty of Informatics
Doi http://dx.doi.org/10.1016/j.apradiso.2017.06.026
UT WoS 000410016200007
Keywords in English LVR-15; Neutron spectrometry; Stilbene; Detector calibration; Si neutron filter; Reactor dosimetry
Changed by Changed by: RNDr. Pavel Šmerk, Ph.D., učo 3880. Changed: 14/6/2022 13:57.
Abstract
A well-defined neutron spectrum is an essential tool for calibration and tests of spectrometry and dosimetry detectors, and evaluation methods for spectra processing. Many of the nowadays used neutron standards are based on a fission spectrum which has a smooth character. In recent time, at the LVR-15 research reactor in Rez, an alternative approach was tested for the needs of fast neutron spectrometry detector calibration. This process comprises detector tests in a neutron beam, filtered by one meter of single-crystalline silicon, which contains several significant peaks in the fast neutron energy range. Tests in such a kind of field can possibly reveal specific problems in the deconvolution matrix of the detection system, which may stay hidden in fields with a smooth character and can provide a tool for a proper energy calibration. Test with several stilbene scintillator crystals in two different beam configurations supplemented by Monte-Carlo transport calculation have been carried out. The results have shown a high level of agreement between the experimental data and simulation, proving thus the accuracy of the used deconvolution matrix. The chosen approach can, thus, provide a well-defined neutron reference field with a peak character for further tests of spectra evaluation methods and scintillation detector energy calibration.
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