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Position and energy resolution of a new gamma-ray detector based on a single CsI(Tl) scintillator coupled to a silicon drift chamber array

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5 Author(s)
Fiorini, C. ; Dipt. di Elettronica, Politecnico di Milano, Italy ; Perotti, F. ; Labanti, C. ; Longoni, A.
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We have developed a first prototype of gamma-ray detector for imaging and spectroscopy which is based on a single CsI(Tl) scintillator coupled to a linear array of silicon drift chambers (SDCs). The detector performs the measurement of the position of interaction in one coordinate, by the centroid method, and the measurement of the γ photon energy, by summing the signals of all the single units. The small size and the compactness of the CsI(Tl)-SDC assembly make this detector scheme an interesting solution for the realization of small scintillation cameras for nuclear medicine

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Nuclear Science, IEEE Transactions on  (Volume:46 ,  Issue: 4 )