Title :
A Two-Dimensional Position-Sensitive Detector for Thermal Neutrons
Author :
Alberi, J. ; Fischer, J. ; Radeka, V. ; Rogers, L.C. ; Schoenborn, B.
Author_Institution :
Brookhaven National Laboratory Upton, New York 11973
Abstract :
We have developed and tested a thermal neutron, two-dimensional position-sensitive detector for use in neutron scattering from biological samples. The detector is based on a multi-wire proportional concept with a gas filling of 6 atmos. He3, 4 atmos. A, and 0.5 atmos. CO2. The position readout uses a resistive wire with charge division to determine position. We have measured a resolution of less than 3 mm (EWHM) with a detection efficiency of 70% at 2.8 Ã… neutrons. Considerations leading to an optimal configuration are discussed.
Keywords :
Anodes; Delay lines; Diffraction; Discharges; Energy resolution; Neutron spin echo; Position sensitive particle detectors; Signal resolution; Spatial resolution; Wire;
Journal_Title :
Nuclear Science, IEEE Transactions on
DOI :
10.1109/TNS.1975.4327648
