Microcalorimeter design for fast-neutron spectroscopy

We are developing microcalorimeters for fast-neutron spectroscopy. The goal is to develop a detector with an energy resolution of 0.1% for 1–20MeV neutrons with an efficiency of 1%. We discuss the design of such a detector and present the first results of a transition edge sensor based microcalorime...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2004-03, Vol.520 (1-3), p.70-72
Main Authors: Niedermayr, T., Hau, I.D., Miyazaki, T., Terracol, S., Burger, A., Lamberti, V.E., Bell, Z.W., Vujic, J.L., Labov, S.E., Friedrich, S.
Format: Article
Language:English
Subjects:
Calorimeters
Low-temperature detectors
Neutron spectroscopy
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Summary:We are developing microcalorimeters for fast-neutron spectroscopy. The goal is to develop a detector with an energy resolution of 0.1% for 1–20MeV neutrons with an efficiency of 1%. We discuss the design of such a detector and present the first results of a transition edge sensor based microcalorimeter with a small TiB2 absorber. The best energy resolution obtained was 5.5keV FWHM for a total energy deposition of 2.792MeV by thermal neutrons.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2003.11.223