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CsLTl scintillation...
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Swiderski, L.National Centre for Nuclear Research (NCBJ), Otwock, Poland
(author)
CsLTl scintillation pulse shapes measured with a SiPM photodeteetor in a liquid nitrogen cryostat
- Article/chapterEnglish2017
Publisher, publication year, extent ...
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Institute of Electrical and Electronics Engineers (IEEE),2017
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Numbers
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LIBRIS-ID:oai:DiVA.org:kth-280623
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-280623URI
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https://doi.org/10.1109/NSSMIC.2016.8069800DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:kon swepub-publicationtype
Notes
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QC 20200910
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A custom designed cryostat was constructed to measure the response of a CsI:Tl scintillator at temperatures close to the boiling point of liquid nitrogen (LN 2 ). The scintillation light was collected by an HUV-HD SiPM from FBK with 6×6 mm 2 area and 25×25 μm 2 cell pitch. The crystal size was 5×6×7 mm 3 . All surfaces except the one facing the SiPM were covered with Teflon tape to enhance light collection by the photodetector. The performance of the experimental setup was verified at room temperature using analog electronics for signal processing. The crystal was mounted on a copper frame placed inside the LN 2 cryostat. Since our goal was to measure the scintillation decay profiles, and the SiPM response at low temperatures becomes substantially slower than that observed at room temperature, the SiPM was mounted on a separate copper frame connected with the outer housing to keep it close to room temperature. The separation between the crystal surface and the SiPM was about 1.5 mm at room temperature, and it became smaller once the setup was cooled down to LN 2 temperature, but even so the crystal and the photodetector were still separated. This approach allowed us to analyze scintillation pulse shapes of CsI:Tl at LN 2 temperatures. An energy spectrum of 662 keV γ-rays from a 137 Cs source was also recorded. The light yield of the CsI:Tl sample at LN 2 temperature stands at about 6 % ÷ 8 % of the value observed at room temperature.
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Moszynski, M.National Centre for Nuclear Research (NCBJ), Otwock, Poland
(author)
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Czarnacki, W.National Centre for Nuclear Research (NCBJ), Otwock, Poland
(author)
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Mianowska, Z.National Centre for Nuclear Research (NCBJ), Otwock, Poland
(author)
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Sibczynski, P.National Centre for Nuclear Research (NCBJ), Otwock, Poland
(author)
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Sworobowicz, T.National Centre for Nuclear Research (NCBJ), Otwock, Poland
(author)
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Szczesmak, T.National Centre for Nuclear Research (NCBJ), Otwock, Poland
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Syntfeld-Kazuch, A.National Centre for Nuclear Research (NCBJ), Otwock, Poland
(author)
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Klamra, WlodzimierzKTH(Swepub:kth)u1je1ghu
(author)
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Williams, R. T.Department of Physics, Wake Forest University, Winston Salem, NC, USA
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Gridin, S.Department of Physics, Wake Forest University, Winston Salem, NC, USA
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Lu, X.Department of Physics, Wake Forest University, Winston Salem, NC, USA
(author)
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Mayhugh, M. R.Faceted Development, LLC, Shaker Hts., OH, USA
(author)
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Gektin, A.Institute for Scintillation Materials, Kharkov, Ukraine
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Vasyukov, S.Institute for Scintillation Materials, Kharkov, Ukraine
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Piemonte, C.Fondazione Bruno Kessler (FBK), Trento, Italy
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Fern, A.Fondazione Bruno Kessler (FBK), Trento, Italy
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Gola, A.Fondazione Bruno Kessler (FBK), Trento, Italy
(author)
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KTHNational Centre for Nuclear Research (NCBJ), Otwock, Poland
(creator_code:org_t)
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In:2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop, NSS/MIC/RTSD 2016: Institute of Electrical and Electronics Engineers (IEEE)
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Swiderski, L.
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Moszynski, M.
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Czarnacki, W.
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Mianowska, Z.
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Sibczynski, P.
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Sworobowicz, T.
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show more...
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Szczesmak, T.
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Syntfeld-Kazuch, ...
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Klamra, Wlodzimi ...
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Williams, R. T.
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Gridin, S.
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Lu, X.
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Mayhugh, M. R.
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Gektin, A.
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Vasyukov, S.
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Piemonte, C.
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Fern, A.
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Gola, A.
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