Characterization of a medium size Xe/TMA TPC instrumented with microbulk Micromegas, using low-energy $\gamma$-rays

The NEXT collaboration, V. Alvarez, F. I. G. M. Borges +87

NEXT-MM is a general-purpose high pressure (10 bar, $\sim 25$ l active volume) Xenon-based TPC, read out in charge mode with an 8 cm $\times$8 cm-segmented 700 cm${}^2$ plane (1152 ch…