Speaker
Description
In this talk I will outline the unique challenges of scaling up, and efforts we are exploring to push down background of the next-generation xenon dark matter direct-detection experiment, XLZD. The detector is envisioned as a 60-80 tonne active liquid xenon time projection chamber and rare event observatory, building upon the expertise of the XENON, LZ, and DARWIN collaborations with multi-science goals including dark matter detection and neutrinoless double beta decay studies. The scale‑up and expanded science reach introduce significant challenges, particularly in achieving the far stricter cleanliness and radiopurity requirements associated with such a detector. I will place particular emphasis on the radiopurity and cleanliness efforts that shape its design.
A multi‑tiered research and development programme is being pursued, including advances in high‑sensitivity background measurement and characterisation techniques, from mass spectrometry and gamma spectroscopy to radon emanation studies. In this talk, I will give an overview of these efforts, highlighting ongoing material selection studies such as cryostat investigations, developments in background measurement capabilities, and the broader strategies being pursued to meet the radiopurity and cleanliness goals of XLZD.
| Main Contribution topic | Direct detection |
|---|---|
| Secondary contribution topic | Instrumentation for Dark Matter |