A new gamma-ray detector, 3-dimension, fast scanning table for pulse-shape analysis

Conference · Wed Jul 01 04:00:00 EDT 2015

DOI:https://doi.org/10.1109/ANIMMA.2015.7465546· OSTI ID:22531209

Ginsz, M.; Duchene, G.; Didierjean, F.; Filliger, M.; Sigward, M. -H. ^[1]; Pirard, B. ^[2]

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1. Universite de Strasbourg, IPHC, 23, rue du Loess, 67037 Strasbourg, Cedex 2, (France)
2. Canberra, 1 chemin de la Roseraie, 67380 Lingolsheim, (France)

The state-of-the art gamma-ray spectrometers such as AGATA and GRETA are using position sensitive multi-segmented HPGe crystals. Pulse-shape analysis (PSA) allows to retrieve the localisation of the gamma interactions and to perform gamma-ray tracking within germanium. The precision of the localisation depends on the quality of the pulse-shape database used for comparison. The IPHC laboratory developed a new fast scanning table allowing to measure experimental pulse shapes in the whole volume of any crystal. The results of the scan of an AGATA 36-fold segmented tapered coaxial detector are shown here, 48580 experimental pulse shapes are extracted within 2 weeks of scanning. These data will contribute to AGATA PSA performances, but have also applications for gamma cameras or Compton-suppressed detectors. (authors)

• Research Organization: Institute of Electrical and Electronics Engineers - IEEE, 3 Park Avenue, 17th Floor, New York, N.Y. 10016-5997 (United States)
• OSTI ID: 22531209
• Report Number(s): ANIMMA--2015-IO-152
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ACCURACY
COMPARATIVE EVALUATIONS
CRYSTALS
GAMMA CAMERAS
GAMMA DETECTION
GAMMA RADIATION
GAMMA SPECTROMETERS
HIGH-PURITY GE DETECTORS
PERFORMANCE
PULSE SHAPERS