Study of Position-Sensitive PMTs as Gamma Cameras for 2D-ACAR

Hubert Ceeh; Ralf Engels; Christian Wesolek; Josef Andreas Weber; Christoph Hugenschmidt

doi:10.4028/www.scientific.net/DDF.373.84

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 373Study of Position-Sensitive PMTs as Gamma Cameras...

Study of Position-Sensitive PMTs as Gamma Cameras for 2D-ACAR

Abstract:

We report on an assessment of the position resolving Hamamatsu-R3292 series photo-multiplier tubes with respect to their use for Angular Correlation of Annihilation Radiation (2D-ACAR) spectroscopy. The PMTs were coupled with a segmented scintillator and mounted at the Munich 2D-ACAR spectrometer. A series of measurements were performed in order to determine the energy and position resolution as well as the efficiency of the setup. Although a position resolution of Δ_xFWHM=1.98 mm was achieved, further improvements are needed.

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Periodical:

Defect and Diffusion Forum (Volume 373)

Pages:

84-87

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.373.84

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Online since:

March 2017

Authors:

Hubert Ceeh*, Ralf Engels, Christian Wesolek, Josef Andreas Weber, Christoph Hugenschmidt

Keywords:

ACAR, Position Sensitive Detectors, Positron Annihilation

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References

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