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DOI: 10.1016/j.nima.2019.162834
Keywords
Large Area Picosecond Photo-Detector; LAPPD; MCP-PMT
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- U.S. Department of Energy, USA
- Office of Science, USA
- Office of Basic Energy Sciences, USA
- Office of High Energy Physics, USA under DOE [DE-SC0009717, DE-SC0011262, DE-SC0015267]
- Office of Nuclear Physics, USA under DOE [DE-SC0009717, DE-SC0011262, DE-SC0015267]
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We report on performance results achieved for recently produced LAPPDs - largest commercially available planar geometry photodetectors based on microchannel plates. These results include electron gains of up to 10(7), low dark noise rates (similar to 100 Hz/cm(2) at a gain of 6 . 10(6)), single photoelectron (PE) timing resolution of similar to 50 picoseconds RMS (electronics limited), and single photoelectron spatial resolution along and across strips of 3.2mm (electronics limited) and 0.8 mm RMS respectively and high (about 25% or higher in some units) QE uniform bi-alkali photocathodes. LAPPDs is a good candidate to be employed in neutrino experiments (e.g. ANNIE (Back et al., 2017) [1], WATCHMAN (Askins et al., 2015) [2], DUNE (Capozzi et al., 2018) [3]), particle collider experiments (e.g. EIC (Accardi et al., 2016) [4]), neutrinoless double-beta decay experiments (e.g. THEIA (Fischer et al., 2018) [5]), medical and nuclear non-proliferation applications.
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