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Gamma-ray tracking: Characterisation of the AGATA symmetric prototype detectors

Abstract : Each major technical advance in gamma-ray detection devices has resulted in significant new insights into the structure of atomic nuclei. The next major step in gamma-ray spectroscopy involves achieving the goal of a 4pi ball of Germanium detectors by using the technique of gamma-ray energy tracking in electrically segmented Germanium crystals. The resulting spectrometer will have an unparalleled level of detection power for nuclear electromagnetic radiation. Collaborations have been established in Europe (AGATA) [J. Simpson, Acta Phys. Pol. B 36 (2005) 1383. [1]] and the USA (GRETA/GRETINA) to build gamma-ray tracking spectrometers. This paper discusses the performance of the AGATA (Advanced Gamma Tracking Array) symmetric prototype detectors that have been tested at the University of Liverpool. The use of a fully digital data acquisition system has allowed detector charge pulse shapes from a selection of well defined photon interaction positions to be analysed, yielding important information on the position sensitivity of the detector.
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Submitted on : Wednesday, July 4, 2007 - 2:48:47 PM
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A.J. Boston, H.C. Boston, J.R. Cresswell, M.R. Dimmock, L. Nelson, et al.. Gamma-ray tracking: Characterisation of the AGATA symmetric prototype detectors. Nineteenth International Conference on The Application of Accelerators in Research and Industry, Aug 2006, Fort Worth, United States. pp.1098-1102, ⟨10.1016/j.nimb.2007.04.305⟩. ⟨in2p3-00159770⟩



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