Development of a Pixel Detector for Ultra-Cold Neutrons
S. Kawasaki, G. Ichikawa, M. Hino, Y. Kamiya, M. Kitaguchi, S., Komamiya, T. Sanuki, S. Sonoda
TL;DR
This paper reports the development of a high-resolution pixel detector for ultra-cold neutrons using a CCD with a neutron converter, achieving notable efficiency and spatial resolution improvements.
Contribution
It introduces a novel pixel detector design optimized for ultra-cold neutrons, demonstrating the effectiveness of 10B as a neutron converter over 6Li.
Findings
Efficiency of 44.1% for the detector
Spatial resolution of 2.9 micrometers
10B identified as the superior neutron converter
Abstract
A pixel detector with high spatial resolution and temporal information for ultra-cold neutrons is developed based on a commercial CCD on which a neutron converter is attached. 10B and 6Li are tested for the neutron converter and 10B is found to be more suitable based on efficiency and spatial resolution. The pixel detector has an efficiency of 44.1 +- 1.1% and a spatial resolution of 2.9 +- 0.1 um (1 sigma).
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