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- Title
Toward Mega-pixel Neutron Imager Using Current-Biased Kinetic Inductance Detectors of Nb Nanowires with $$^{10}$$ B Converter.
- Authors
Ishida, Takekazu; Yoshioka, Naohito; Narukami, Yoshito; Shishido, Hiroaki; Miyajima, Shigeyuki; Fujimaki, Akira; Miki, Shigehito; Wang, Zhen; Hidaka, Mutsuo
- Abstract
We present not the results but the idea of a superconducting nanowire detector with $$^{10}$$ B conversion layer for sensing a single neutron. We use $$^{7}$$ Li ion and $$^{4}$$ He ion emitted as two independent heat sources, which appear in opposite direction associated with nuclear reaction $$^{10}$$ B(n, $$^{4}$$ He) $$^{7}$$ Li. We probe a change in the kinetic inductance $$L_\mathrm{k}$$ coming from inertia of the Cooper pairs. Our detector is different from a conventional kinetic inductance detector (KID), but is named as a current-biased KID. We use two sets of Nb nanowires with superconducting readout taps to monitor the local signal. In between the X meander and the Y meander, we inserted a $$^{10}$$ B layer acting as a conversion layer from neutrons to charged particles. We plan to fabricate a mega-pixel neutron imager by coupling 10 bit linear position-sensitive arrays along the X and Y directions with the single flux quantum readout circuits.
- Subjects
NEUTRON counters; PIXELS; ELECTRIC inductance; NANOWIRES; NUCLEAR reactions; SUPERCONDUCTING junction devices; COOPER pair
- Publication
Journal of Low Temperature Physics, 2014, Vol 176, Issue 3/4, p216
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-014-1159-8