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Billnert, Robert,1981Chalmers tekniska högskola,Chalmers University of Technology
(author)
New information on the characteristics of 1 in. x 1 in. cerium bromide scintillation detectors
- Article/chapterEnglish2011
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LIBRIS-ID:oai:research.chalmers.se:01f485fd-82ad-4f7e-929e-511cd068c490
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https://doi.org/10.1016/j.nima.2011.05.034DOI
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https://research.chalmers.se/publication/192876URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-18672URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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In view of highly demanded new and accurate data on prompt gamma-ray emission in nuclear fission a major part of investigations is directed towards the selection of suitable detector systems. Here we have studied a new type of crystal scintillation detectors made from cerium bromide (CeBr(3)). For the first time a full characterization of such a detector is presented in terms of energy resolution, pulse-height linearity, intrinsic activity and intrinsic timing resolution. In particular the latter one is very important for prompt fission gamma-ray studies, because the presence of fast neutrons, emitted in fission too, requires the time-of-flight method for their discrimination. The energy resolution has been found to be comparable to that of cerium-doped LaCl(3):Ce detectors at an efficiency comparable to the one of a LaBr(3):Ce detector of the same size. The intrinsic activity of the CeBr(3) crystal was observed to be much lower compared to lanthanum halide crystals. The intrinsic timing resolution of a coaxial 1 in. x 1 in. sized detector was measured relative to that of a previously characterized LaCl(3):Ce detector and found to be (326 +/- 7) Ps at (60)Co energies, which is in between those of a LaBr(3):Ce and a LaCl(3):Ce detector of same size.
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Oberstedt, S.
(author)
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Andreotti, E.
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Hult, M.
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Marissens, G.
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Oberstedt, AndreasÖrebro universitet,Akademin för naturvetenskap och teknik(Swepub:oru)aot
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Chalmers tekniska högskolaAkademin för naturvetenskap och teknik
(creator_code:org_t)
Related titles
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In:Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment: Elsevier BV647:1, s. 94-990168-90021872-9576
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