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Preprint D/06


Volker Dangendorf (1), Ronald Lauck (1), Frank Kaufmann (1), Jürgen Barnstedt (2), Amos Breskin (3), Ottmar Jagutzki (4), Michael Krämer (5), David Vartsky (6)

(1) Physikalisch-Technische Bundesanstalt, Braunschweig, Germany
(2) Institut für Astronomie und Astrophysik, Univ. Tübingen, Tübingen, Germany
(3) Weizmann Institute of Science, Rehovot, Israel
(4) Institut für Kernphysik, Univ. Frankfurt, Frankfurt a.M., Germany
(5) Gesellschaft für Schwerionenforschung (GSI), Darmstadt, Germany
(6) NRC Soreq, Yavne, Israel

International Workshop on Fast Neutron Detectors and Applications, Proc. of Science, PoS(FNDA2006)008

Abstract. A new imaging method that combines high-efficiency fast-neutron detection with sub-ns time resolution is presented. This is achieved by exploiting the high neutron detection efficiency of a thick scintillator and the fast timing capability and flexibility of light-pulse detection with a dedicated image intensifier. The neutron converter is a plastic scintillator slab or, alternatively, a scintillating fibre screen. The scintillator is optically coupled to a pulse counting image intensifier which measures the 2-dimensional position coordinates and the Time-Of-Flight (TOF) of each detected neutron with an intrinsic time resolution of less than 1 ns. Large area imaging devices with high count rate capability can be obtained by lateral segmentation of the optical readout channels.


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