Speaker
Description
The field cage of the TPC encapsulates the liquid xenon target, maximises light collection, and creates a homogeneous electric field to enable particle identification and three-dimensional event reconstruction. We propose a novel field cage concept made from a fibre-composite material with embedded thin-film electrodes. Compared to traditional field cages, this design promises to improve the detector’s sensitivity through reduced radiogenic background from materials, as well as complete light and fluid tightness. This approach reduces costs through quicker and easier construction, transportation, and assembly, and ensures mechanical stability and dimensional integrity at minimal mass. In this poster, we outline the potential of this concept, address key design challenges, and discuss ongoing R&D efforts related to manufacturing, small-scale prototype testing, and radio-assay. This ongoing viability study is the first step towards a new design avenue for large-scale low-background experiments, with potential impact on XLZD and beyond.