PoS - Proceedings of Science
Volume 367 - XXIX International Symposium on Lepton Photon Interactions at High Energies (LeptonPhoton2019) - Parallel Sessions
Results and future plans of the NEXT double beta decay experiment
A. Laing*  on behalf of the NEXT Collaboration
Full text: pdf
Pre-published on: November 18, 2019
Published on: December 17, 2019
The Neutrino Experiment with a Xenon TPC (NEXT) searches for
the neutrinoless double beta decay of Xe-136
using a high pressure xenon gas time projection chamber. This
detector technology has several key advantages, including excellent
energy resolution, powerful event classification based on track
topology, and favorable mass scalability. It also offers the
tantalising possibility of tagging the daughter ion produced in the
decay. The current stage of the experiment, NEXT-White, has been
been taking data at the Laboratorio Subterráneo de Canfranc (LSC)
in Spain since late 2016.

In this talk, we will review recent results from NEXT-White after
the first year of low-background operations using both xenon
depleted in the Xe-136 isotope as a direct
measure of background, and enriched xenon data to measure the two
neutrino mode. Results form dedicated calibration runs to study
detector performance will also be shown. Finally, we will conclude
by discussing the experiment’s prospects, starting from the NEXT-100
detector to be commissioned in 2020.
DOI: https://doi.org/10.22323/1.367.0060
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