Characterisation of a Composite LEPS
Moumita Roy Basu, Sudatta Ray, Abhijit Bisoi, M. Saha Sarkar
TL;DR
This paper presents an experimental characterization of a composite low energy photon spectrometer (LEPS), highlighting efficiency issues caused by image charges beyond 200 keV and demonstrating correction methods to improve performance.
Contribution
The study provides the first detailed experimental analysis of a composite LEPS detector and introduces correction techniques to mitigate efficiency deterioration from image charges.
Findings
Efficiency drops beyond 200 keV due to image charges
Event-by-event correction improves detector performance
Characterization enhances understanding of composite LEPS behavior
Abstract
A low energy photon spectrometer (LEPS), which is a composite planar HPGe, has been characterised experimentally. It has been shown that beyond 200 keV, effect of image charges deteriorates the efficiency of the detector in its addback mode. Data has been corrected on eventby- event basis resulting in improvement of the performance.
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