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The imaging semiconductor pixel detector Timepix allows the charge collected in each of its 256??256 pixels (55 ??m pitch) to be measured. This feature makes it suitable for applications where the energy and position of incoming radiation needs to be determined. We are developing a fast neutron spectroscopy and radiography technique that is based on tracking protons recoiled by fast neutrons. The...
A neutron diagnostic has been designed to achieve high energy neutron spectroscopy in large γ background. The concept of this diagnostic is based on the association of a Micromegas detector with a neutron-to-charged particle converter. Electrons produced by γ-rays go through the Micromegas with a low ionization probability, making the detector γ-rays insensitive. This low γ sensitivity makes this...
The PROSPERO reactor is located at CEA Valduc Center in France. The reactor is composed of an internal core made of High Enriched Uranium metal alloy surrounded by a reflector of depleted uranium. The size of the assembled core is 352 mm length and 314 mm in diameter. The reactor is used as a fast neutron spectrum source and is operated in delayed critical state with a continuous and steady power...
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