Abstract
There is a proposal to construct a large neutrino detector in Korea, called Korean Neutrino Observatory (KNO), which consists of a large water tank and several tens of thousands of photosensors placed deep underground for neutrino detection. A 20-inch-diameter photosensor including a microchannel plate-photomultiplier Tube (MCP-PMT) is a candidate for the KNO due to its large photo-coverage. We characterized a 20-inch MCP-PMT by measuring its properties, including single photoelectron charge resolution, gain, signal-to-noise performance, dark count rate, after-pulse ratio, and timing performance. We present our measurements of its properties and compare them with those of a previous study.
| Original language | English |
|---|---|
| Pages (from-to) | 436-442 |
| Number of pages | 7 |
| Journal | New Physics: Sae Mulli |
| Volume | 72 |
| Issue number | 6 |
| DOIs | |
| State | Published - Jun 2022 |
Keywords
- After-pulse ratio
- Dark count rate
- Gain
- Korean neutrino observatory
- Microchannel plate-photomultiplier tube
- Neutrino
- Photomultiplier tube
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