KOŠŤÁL, M., M. SCHULC, J. ŠOLTÉS, E. LOSA, L. VIERERBL, Zdeněk MATĚJ, F. CVACHOVEC and V. RYPRA. Measurements of neutron transport of well defined silicon filtered beam in lead. Applied Radiation and Isotopes. Elsevier, 2018, vol. 142, Dec, p. 160-166. ISSN 0969-8043. doi:10.1016/j.apradiso.2018.08.028.
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Original name Measurements of neutron transport of well defined silicon filtered beam in lead
Authors KOŠŤÁL, M. (203 Czech Republic), M. SCHULC (203 Czech Republic), J. ŠOLTÉS (203 Czech Republic), E. LOSA (203 Czech Republic), L. VIERERBL (203 Czech Republic), Zdeněk MATĚJ (203 Czech Republic, guarantor, belonging to the institution), F. CVACHOVEC (203 Czech Republic) and V. RYPRA (203 Czech Republic).
Edition Applied Radiation and Isotopes, Elsevier, 2018, 0969-8043.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10304 Nuclear physics
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 1.343
RIV identification code RIV/00216224:14330/18:00104566
Organization unit Faculty of Informatics
Doi http://dx.doi.org/10.1016/j.apradiso.2018.08.028
UT WoS 000454462500024
Keywords in English LVR-15; Neutron spectrometry; Stilbene; Detector calibration; Si neutron filter; Reactor dosimetry
Tags International impact, Reviewed
Changed by Changed by: RNDr. Pavel Šmerk, Ph.D., učo 3880. Changed: 29/4/2019 17:25.
Abstract
The correct description of neutron transport in lead is an essential task for correct description of tritium production in the DEMO (DEMOnstration Power Station) breeding blanket because some concepts deal with lead as a major component: namely the WCLL (water cooled lithium lead blanket), HCLL (helium cooled lithium lead blanket), and DCLL (dual cooled lithium lead blanket). Concerning the improvement of the knowledge about the transport of fast neutrons in lead, a set of experiments and calculations was carried out to study this problem with a well-defined neutron beam. The neutron flux behind various lead arrangements positioned along the beam axis was measured using a stilbene scintillation crystal (10 mm × 10 mm) with neutron and gamma pulse shape discrimination. The measurement was performed along the beam axis and in the case of the thick target also above the axis, to estimate the neutron angular scatter in lead. The calculations were realized using MCNP6 with various nuclear data libraries. Discrepancies in the angular distribution description in the energy region of about 1 MeV were discovered by these experiments.
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