Digital pulse processing for planar TlBr detectors

M. Nakhostin; Keitaro Hitomi; Keizo Ishii; Yohei Kikuchi

doi:10.1016/j.nima.2010.01.076

Digital pulse processing for planar TlBr detectors

M. Nakhostin, Keitaro Hitomi, Keizo Ishii, Yohei Kikuchi

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

We report on a digital pulse processing algorithm for correction of charge trapping in the planar TlBr detectors. The algorithm is performed on the signals digitized at the preamplifier stage. The algorithm is very simple and is implemented with little computational effort. By using a digitizer with a sampling rate of 250 MSample/s and 8 bit resolution, an energy resolution of 6.5% is achieved at 511 keV with a 0.7 mm thick detector.

Original language	English
Pages (from-to)	242-244
Number of pages	3
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	615
Issue number	2
DOIs	https://doi.org/10.1016/j.nima.2010.01.076
Publication status	Published - 2010 Apr 1

Keywords

Digital signal processing
Thallium bromide
γ-ray spectrometers

ASJC Scopus subject areas

Instrumentation
Nuclear and High Energy Physics

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AU - Nakhostin, M.

AU - Hitomi, Keitaro

AU - Ishii, Keizo

AU - Kikuchi, Yohei

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N2 - We report on a digital pulse processing algorithm for correction of charge trapping in the planar TlBr detectors. The algorithm is performed on the signals digitized at the preamplifier stage. The algorithm is very simple and is implemented with little computational effort. By using a digitizer with a sampling rate of 250 MSample/s and 8 bit resolution, an energy resolution of 6.5% is achieved at 511 keV with a 0.7 mm thick detector.

AB - We report on a digital pulse processing algorithm for correction of charge trapping in the planar TlBr detectors. The algorithm is performed on the signals digitized at the preamplifier stage. The algorithm is very simple and is implemented with little computational effort. By using a digitizer with a sampling rate of 250 MSample/s and 8 bit resolution, an energy resolution of 6.5% is achieved at 511 keV with a 0.7 mm thick detector.

KW - Digital signal processing

KW - Thallium bromide

KW - γ-ray spectrometers

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JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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