A Novel Digital Pulse-Shape Analysis for High-Resolution Position-Sensitive Gamma-Ray Spectroscopy
- Authors
- Lee, Ju Hahn; Jung, Hyo Soon; Cho, Hwa Youn; Kwon, Young Kwan; Lee, Chun Sik
- Issue Date
- Oct-2010
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Digital pulse-shape analysis (DPSA); high-purity germanium detector; interaction point; position-sensitive gamma-ray spectroscopy
- Citation
- IEEE TRANSACTIONS ON NUCLEAR SCIENCE, v.57, no.5, pp 2631 - 2637
- Pages
- 7
- Journal Title
- IEEE TRANSACTIONS ON NUCLEAR SCIENCE
- Volume
- 57
- Number
- 5
- Start Page
- 2631
- End Page
- 2637
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/52947
- DOI
- 10.1109/TNS.2010.2053385
- ISSN
- 0018-9499
1558-1578
- Abstract
- A novel digital pulse-shape analysis (DPSA) was performed for high-resolution position-sensitive gamma-ray spectroscopy with coaxial-type high-purity germanium (HpGe) detectors. The DPSA consisted of two stages that determined the pulse height, the interaction point and the start time by using the chi-square fitting the digitally recorded pulse shapes with calculated shapes. As the DPSA was applied to gamma-ray spectroscopy using HpGe coaxial detectors, we obtained the energy spectra, the time-difference spectra and the interaction depth profiles for the gamma rays emitted from Ba-133 and Na-22 standard sources. The efficiency of the spectroscopic analysis using the DPSA was compared with that using a conventional analog signal process (CASP). Furthermore, we determined the half-lifetime of the first excited state in Cs-133 by using the DPSA.
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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