Volume 92, Number 6, December 2010
|Number of page(s)||4|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||17 January 2011|
Single-crystal diamond detector for time-resolved measurements of a pulsed fast-neutron beam
CNISM UdR Tor Vergata - Roma, Italy, EU
2 Università degli Studi di Roma Tor Vergata, Dipartimento di Fisica and Centro NAST - Roma, Italy, EU
3 CNISM and Dipartimento di Fisica, Università degli Studi di Milano-Bicocca - Milano, Italy, EU
4 Istituto di Fisica del Plasma, CNR - Milano, Italy, EU
5 Energy Department, Politecnico di Milano - Milano, Italy, EU
6 Dipartimento di Ingegneria Meccanica, Università degli Studi di Roma Tor Vegata - Roma, Italy, EU
7 ISIS facility, Rutherford Appleton Laboratory - Chilton, UK, EU
Accepted: 29 November 2010
A fast-neutron detector for time-resolved beam measurements at spallation neutron sources is presented. The device features a p-type/intrinsic/metal Schottky barrier structure where the active (intrinsic) detection layer is a 150 μm thick single-crystal diamond obtained by chemical-vapour deposition. Coupling to fast front-end electronics preserves the excellent timing properties of the device as demonstrated in tests performed at the ISIS spallation neutron source in UK. The device represents a novel approach in the field of pulsed fast-neutrons spectroscopic techniques. It will find immediate application in localized (mm resolution) fast-neutron fluence measurements required by neutron irradiation experiments at ISIS also envisaging its use for spectrum measurements.
PACS: 89.20.Bb – Industrial and technological research and development / 29.25.Dz – Neutron sources / 29.30.Hs – Neutron spectroscopy
© EPLA, 2010
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