Characterization of the Hamamatsu R12699-406-M4 Photomultiplier Tube in Cold Xenon Environments

M. Adrover, L. Baudis, A. Bismark +5

The Hamamatsu R12699-406-M2 is a $2\times 2$ multi-anode 2-inch photomultiplier tube that offers a compact form factor, low intrinsic radioactivity, and high photocathode coverage.…