Issue |
EPL
Volume 94, Number 6, June 2011
|
|
---|---|---|
Article Number | 62001 | |
Number of page(s) | 4 | |
Section | Nuclear Physics | |
DOI | https://doi.org/10.1209/0295-5075/94/62001 | |
Published online | 02 June 2011 |
Fission diamond detectors for fast-neutron ToF spectroscopy
1
Università degli Studi di Roma Tor Vergata, Dipartimento di Fisica and Centro NAST Via della Ricerca Scientifica 1, I-00133 Roma, Italy, EU
2
CNISM and Dipartimento di Fisica “G. Occhialini”, Università degli Studi di Milano-Bicocca - Milano, Italy, EU
3
CNR-IFP - Milano, Italy, EU
4
Department of Energy, Politecnico di Milano - Milano, Italy, EU
5
Dipartimento di Ingegneria Meccanica, Università degli Studi di Roma Tor Vergata - Roma, Italy, EU
6
STFC-ISIS Facility - Chilton Didcot, Oxfordshire, UK, EU
a
antonino.pietropaolo@roma2.infn.it
Received:
14
February
2011
Accepted:
27
April
2011
A novel type of fast-neutron (energy En > 1 MeV) counter is presented. It is made of a fissionable natural-uranium foil faced to an intrinsic single-crystal diamond that detects the neutron-induced fission fragments escaping the uranium sheet. The fast response of the diamond is a key feature for its use at pulsed spallation neutron sources for applications in beam monitoring and spectrum measurements with mm spatial resolution. This is an important issue to be addressed in the development of beam lines dedicated to the investigation of the so-called single-event effects in electronics, such as the ChipIr instrument designed for the ISIS spallation source in the UK. Tests of the device at the ROTAX beam line at ISIS have shown its potentiality for the proposed application.
PACS: 29.30.Hs – Neutron spectroscopy / 25.85.Ec – Neutron-induced fission / 89.20.Bb – Industrial and technological research and development
© EPLA, 2011
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