Gamma-ray tracking: Utilizing new concepts in the detection of gamma-radiation |
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Authors: | K Vetter |
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Institution: | (1) Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA, US |
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Abstract: | Gamma-ray tracking in a closed array of highly segmented HPGe detectors is a new concept for the detection of γ-radiation.
Each of the interacting γ-rays is identified and separated by measuring the energies and positions of individual interactions
and by applying tracking algorithms to reconstruct the scattering sequences, even if many γ-rays hit the array at the same
time. The three-dimensional position and the energy of interactions are determined by using two-dimensionally segmented Ge
detectors along with pulse-shape analysis of the signals. Such a detector will have new and much improved capabilities compared
to current γ-ray spectrometer. One implementation of this concept, called GRETA (Gamma-Ray Energy Tracking Array), is currently
being under development at LBNL.
Received: 21 March 2002 / Accepted: 16 May 2002 / Published online: 31 October 2002
RID="a"
ID="a"e-mail: kvetter@lbl.gov |
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Keywords: | PACS 07 85 -m X- and gamma-ray instruments – 29 40 -n Radiation detectors – 29 40 Ka Cherenkov detectors – 29 40 Wk Solid-state detectors |
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