Study of the response of a single photon counting system in various experimental conditions for low-energy radiological applications( ∗ )

(ricevuto il 14 Dicembre 2005; revisionato il 28 Marzo 2006; approvato il 28 Marzo 2006; pub-blicato online il 10 Luglio 2006)Summary. — In low-energy radiological applications the capability to have repro-ducible image uniformity and good detection efficiency are relevant issues. A singlephoton counting system based on a 700