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Light yield non-proportionality of undoped YAP scintillator
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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2009 (English)Article in journal (Refereed) Published
Abstract [en]

Scintillation properties of undoped YAP crystal were studied. The emission spectra show a very intense light component at 360 nm. Analysis of the light pulse shape resulted in five components, four of them, with time constants of 38+/-2 ns, 92+/-3 ns, 7.5+/-0.5 mu s and 24+/-3 mu s, representing high light intensity. The light yield was found to be temperature dependent, N-ph=3090+/-130 ph/MeV at liquid nitrogen temperature and N-ph=1440+/-60 ph/MeV at room temperature. Also the light yield non-proportionality shows temperature dependence and is more pronounced at room temperature.

Place, publisher, year, edition, pages
2009. Vol. 4
Keyword [en]
Gamma detectors (scintillators, CZT, HPG, HgI etc), Scintillators, , scintillation and light emission processes (solid, gas and liquid, scintillators), liquid-nitrogen temperatures, intrinsic energy resolution, area, avalanche photodiodes, optical-spectra, single-crystals, pure nai, yalo3, ce3+, bgo, nonproportionality
Identifiers
URN: urn:nbn:se:kth:diva-18598DOI: 10.1088/1748-0221/4/05/p05006ISI: 000267942300017Scopus ID: 2-s2.0-70449411230OAI: oai:DiVA.org:kth-18598DiVA: diva2:336645
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-01-31Bibliographically approved

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