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Proceedings Paper

Negative temporal cross covariance in SrI2:Eu
Author(s): Vaibhav Bora; David Fastje; Harrison H. Barrett; Eric Clarkson; Lars Furenlid; Kanai S. Shah; Urmila Shirwadkar
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Paper Abstract

Scintillation light is widely believed to be Poisson or super-Poisson. We tested this hypothesis by measuring the temporal correlation between two detectors detecting scintillation light resulting from the same gamma-ray event in SrI2:Eu . Poisson light is expected to yield zero temporal correlations, while super-Poisson light is expected to yield positive, and sub-Poisson light is expected to yield negative temporal correlation. Scintillation light in SrI2:Eu was found to be negatively correlated. Therefore, we conclude that the scintillation light in SrI2:Eu is sub-Poisson.

Paper Details

Date Published: 27 August 2015
PDF: 7 pages
Proc. SPIE 9595, Radiation Detectors: Systems and Applications XVI, 959504 (27 August 2015); doi: 10.1117/12.2214406
Show Author Affiliations
Vaibhav Bora, College of Optical Sciences, The Univ. of Arizona (United States)
David Fastje, College of Optical Sciences, The Univ. of Arizona (United States)
Harrison H. Barrett, College of Optical Sciences, The Univ. of Arizona (United States)
Eric Clarkson, College of Optical Sciences, The Univ. of Arizona (United States)
Lars Furenlid, College of Optical Sciences, The Univ. of Arizona (United States)
Kanai S. Shah, Radiation Monitoring Devices, Inc. (United States)
Urmila Shirwadkar, Radiation Monitoring Devices, Inc. (United States)


Published in SPIE Proceedings Vol. 9595:
Radiation Detectors: Systems and Applications XVI
Gary P. Grim; H. Bradford Barber, Editor(s)

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