期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2013.01.009
关键词
HPGe detectors; Segmented Ge crystals; Ge gamma-ray energy tracking arrays; gamma-ray tracking
类别
资金
- U.S. Department of Energy [DE-AC02-05CHI1231]
The Gamma-Ray Energy Tracking In-beam Nuclear Array (GRETINA) is a new generation high-resolution 7-gamma ay spectrometer consisting of electrically segmented high-purity germanium crystals. GRETINA is capable of reconstructing the energy and position of each 7-gamma ay interaction point inside the crystal with high resolution. This enables 7-gamma ay energy tracking which in turn provides an array with large photopeak efficiency, high resolution and good peak-to-total ratio. GRETINA is used for nuclear structure studies with demanding 7-gamma ay detection requirements and it is suitable for experiments with radioactive-ion beams with high recoil velocities. The GRETINA array has a 1 pi solid angle coverage and constitutes the first stage towards the full 4 pi array GRETA. We present in this paper the main parts and the performance of the GRETINA system. (C) 2013 Elsevier B.V. All rights reserved.
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