NEXT-CRAB-0: a high pressure gaseous xenon time projection chamber with a direct VUV camera based readout

The Next Collaboration

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The search for neutrinoless double beta decay (0νββ) remains one of the most compelling experimental avenues for the discovery in the neutrino sector. Electroluminescent gas-phase time projection chambers are well suited to 0νββ searches due to their intrinsically precise energy resolution and topological event identification capabilities. Scalability to ton- and multi-ton masses requires readout of large-area electroluminescent regions with fine spatial resolution, low radiogenic backgrounds, and a scalable data acquisition system. This paper presents a detector prototype that records event topology in an electroluminescent xenon gas TPC via VUV image-intensified cameras. This enables an extendable readout of large tracking planes with commercial devices that reside almost entirely outside of the active medium. Following further development in intermediate scale demonstrators, this technique may represent a novel and enlargeable method for topological event imaging in 0νββ.

Original languageEnglish
Article numberP08006
JournalJournal of Instrumentation
Issue number8
StatePublished - 1 Aug 2023


  • Double-beta decay detectors
  • Optical detector readout concepts
  • Particle tracking detectors (Gaseous detectors)
  • Time projection chambers

ASJC Scopus subject areas

  • Instrumentation
  • Mathematical Physics


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