Abstract
The next generation of neutrino experiments will require massive water Cherenkov detectors to reach the sensitivity needed to measure CP violation in the lepton sector and the neutrino mass hierarchy. The Large Area Picosecond Photodetector Development (LAPPD) Collaboration is developing new methods to fabricate a 20 cm2 thin planar microchannel plate photo-multiplier tube (MCP) at a cost comparable to those of traditional photomultiplier tubes (PMT). The application of these novel devices to large water Cherenkov detectors could significantly enhance background rejection and vertex resolution in these detectors by improving spatial and timing information. We present details of the MCP fabrication method, and preliminary results from testing and characterization facilities at Argonne National Laboratory. The application of these devices to neutrino detectors is also discussed.
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