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Performance of Large Area Picosecond Photo-Detectors (LAPPDTM)
In this study, 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 1 0 7 , low dark noise rates (~100 Hz/cm2 at a gain of 6 ∙ 1 0 6 ), single...
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Published in: | Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2019-09, Vol.958 |
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Main Authors: | , , , , , , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | In this study, 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 1 0 7 , low dark noise rates (~100 Hz/cm2 at a gain of 6 ∙ 1 0 6 ), single photoelectron (PE) timing resolution of ~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), WATCHMAN (Askins et al., 2015), DUNE (Capozzi et al., 2018), particle collider experiments (e.g. EIC (Accardi et al., 2016), neutrinoless double-beta decay experiments (e.g. THEIA (Fischer et al., 2018)), medical and nuclear non-proliferation applications. |
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ISSN: | 0168-9002 1872-9576 |