Sensitivity of NEXT-100 to neutrinoless double beta decay

Abstract

NEXT-100 is an electroluminescent high-pressure xenon gas time projection chamber that will search for the neutrinoless double beta ($\beta \beta 0\nu$) decay of Xe-136. The detector possesses two features of great value for $\beta \beta 0\nu$ searches: energy resolution better than 1\% FWHM at the $Q$ value of Xe-136 and track reconstruction for the discrimination of signal and background events. This combination results in excellent sensitivity, as discussed in this paper. Material-screening measurements and a detailed Monte Carlo detector simulation predict a background rate for NEXT-100 of at most $4\times 10^{-4}$ counts keV${}^{-1}$ kg${}^{-1}$ yr${}^{-1}$. Accordingly, the detector will reach a sensitivity to the \bbonu-decay half-life of $2.8\times 10^{25}$ years (90\% CL) for an exposure of 100 $\mathrm{kg}\cdot \mathrm{year}$, or $6.0\times 10^{25}$ years after a run of 3 effective years.

Accepted for publication in the Journal of High Energy Physics (JHEP)

References in corpus (8)

• Updated fit to three neutrino mixing: status of leptonic CP violation
• Disassembling the Nuclear Matrix Elements of the Neutrinoless double beta Decay
• Left-Right Symmetry: from LHC to Neutrinoless Double Beta Decay
• Average and recommended half-life values for two neutrino double beta decay
• Systematic study of trace radioactive impurities in candidate construction materials for EXO-200
• Recent Progress in Double Beta Decay
• Sense and sensitivity of double beta decay experiments
• An improved measurement of electron-ion recombination in high-pressure xenon gas

Cited by in corpus (52)

• Neutrinoless Double-Beta Decay: Status and Prospects
• Status and Future of Nuclear Matrix Elements for Neutrinoless Double-Beta Decay: A Review
• Final Results of GERDA on the Search for Neutrinoless Double-$\beta$ Decay
• Toward the discovery of matter creation with neutrinoless double-beta decay
• Background free search for neutrinoless double beta decay with GERDA Phase II
• Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects
• On the improvement of cosmological neutrino mass bounds
• Discovery probability of next-generation neutrinoless double-$\beta$ decay experiments
• White Paper on New Opportunities at the Next-Generation Neutrino Experiments (Part 1: BSM Neutrino Physics and Dark Matter)
• Towards grounding nuclear physics in QCD
• Impact of the quenching of $g_{\mathrm{A}}$ on the sensitivity of $0\nu \beta \beta$ experiments
• Background rejection in NEXT using deep neural networks
• Gaseous and dual-phase time projection chambers for imaging rare processes
• The Next White (NEW) detector
• Projected sensitivity of the LUX-ZEPLIN experiment to the $0\nu \beta \beta$ decay of ${}^{136}$Xe
• Quenching of $g_{\mathrm{A}}$ deduced from the $\beta$-spectrum shape of ${}^{113}$Cd measured with the COBRA experiment
• Extracting Majorana Properties in the Throat of Neutrinoless Double Beta Decay
• Cosmogenic activation of materials
• Exploring the hidden interior of the Earth with directional neutrino measurements
• Measurement of the ${}^{136}$Xe two-neutrino double beta decay half-life via direct background subtraction in NEXT
• Calibration of the NEXT-White detector using ${}^{83m}\mathrm{Kr}$ decays
• Neutral Bremsstrahlung emission in xenon unveiled
• Kiloton-scale xenon detectors for neutrinoless double beta decay and other new physics searches
• Radiopurity assessment of the energy readout for the NEXT double beta decay experiment
• Measurement of Double Beta Decay Half-life of ${}^{136}$Xe with the PandaX-4T Detector
• Benchmark neutrinoless double-beta decay matrix elements in a light nucleus
• Neutrinoless Double Beta Decay with ${}^{82}$SeF${}_6$ and Direct Ion Imaging
• Ba${}^{2+}$ ion trapping by organic submonolayer: towards an ultra-low background neutrinoless double beta decay detector
• Mobility and Clustering of Barium Ions and Dications in High Pressure Xenon Gas
• Enhancing Neutrino Event Reconstruction with Pixel-Based 3D Readout for Liquid Argon Time Projection Chambers
• Initial results on energy resolution of the NEXT-White detector
• Electron drift properties in high pressure gaseous xenon
• Cosmogenic activation in double beta decay experiments
• Application and performance of an ML-EM algorithm in NEXT
• Dependence of polytetrafluoroethylene reflectance on thickness at visible and ultraviolet wavelengths in air
• Design and commissioning of a 600 L Time Projection Chamber with Microbulk Micromegas
• High Voltage Insulation and Gas Absorption of Polymers in High Pressure Argon and Xenon Gases
• Three-dimensional convolutional neural networks for neutrinoless double-beta decay signal/background discrimination in high-pressure gaseous Time Projection Chamber
• Neutrinoless Double Beta Decay with Germanium Detectors: 10${}^{26}$ yr and Beyond
• The TPC detector of PandaX-III Neutrinoless Double Beta Decay experiment
• Mitigation of Backgrounds from Cosmogenic ${}^{137}$Xe in Xenon Gas Experiments using ${}^3$He Neutron Capture
• Neutrinoless Double Beta Decay Sensitivity of the XLZD Rare Event Observatory
• Radio Frequency and DC High Voltage Breakdown of High Pressure Helium, Argon, and Xenon
• Implications on Cosmology from Dirac Neutrino Magnetic Moments
• Design, characterization and installation of the NEXT-100 cathode and electroluminescence regions
• Reflectance and fluorescence characteristics of PTFE coated with TPB at visible, UV, and VUV as a function of thickness
• Sensitivity of the NEXT-100 detector to neutrinoless double beta decay
• The electronics of the energy plane of the NEXT-White detector
• Required sensitivity to search the neutrinoless double beta decay in ${}^{124}Sn$
• Calibration of a Micromegas-based Gaseous Time Projection Chamber Using Cosmic Ray Muons
• Topological signature in the NEXT high pressure xenon TPC
• The NEW detector: construction, commissioning and first results