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Temperature Dependence of CsI:Tl Scintillation Pulse Shapes from -183°C to +90°C Measured with a SiPM Readout
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2018 (Engelska)Ingår i: 2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017 - Conference Proceedings, Institute of Electrical and Electronics Engineers Inc. , 2018Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

A custom designed cryostat was constructed to measure the response of a CsI:Tl scintillator in temperature range from - 183 ^{circ}\mathrm {C} up to +90 ^{circ}\mathrm {C}. The light readout was realized using a SiPM developed by FBK in near ultraviolet high density (NUV-HD) technology. The crystal and the SiPM were installed on separated copper frames. The crystal was cooled down by liquid nitrogen, while the SiPM was kept at temperature close to room temperature. A separation of 1 mm was kept between the crystal and the photodetector to ensure thermal isolation. The temperature of the crystal could be varied by heaters on the scintillator frame and was continuously monitored using a coil shaped resistance thermometer. The CsI:Tl scintillation decay profiles were recorded in the entire temperature range provided by the cryostat.

Ort, förlag, år, upplaga, sidor
Institute of Electrical and Electronics Engineers Inc. , 2018.
Nyckelord [en]
Cesium iodide, Cryostats, Scintillation, Scintillation counters, Silicon compounds, Temperature distribution, Thermoelectricity, Thermometers, Near ultraviolet, Resistance thermometers, Scintillation decay, Scintillation pulse shapes, Sipm readouts, Temperature dependence, Temperature range, Thermal isolation, Medical imaging
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Kemi
Identifikatorer
URN: urn:nbn:se:kth:diva-247057DOI: 10.1109/NSSMIC.2017.8532976Scopus ID: 2-s2.0-85058493318ISBN: 9781538622827 (tryckt)OAI: oai:DiVA.org:kth-247057DiVA, id: diva2:1330064
Konferens
2017 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2017, 21 October 2017 through 28 October 2017
Anmärkning

QC 20190625

Tillgänglig från: 2019-06-25 Skapad: 2019-06-25 Senast uppdaterad: 2019-06-25Bibliografiskt granskad

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Klamra, Wlodzimierz

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