First search for Lorentz violation in double beta decay with scintillating calorimeters

Abstract

We present the search for Lorentz violation in the double beta decay of ^{82}Se~with CUPID-0, using an exposure of 9.95 kg x y. We found no evidence for the searched signal and set a limit on the isotropic components of the Lorentz violating coefficient of ${\mathring{a}}_{\text{of}}^{(3)}<4.1\cdot 10^{-6}$ GeV (90\% Credible Interval). This results is obtained with a Bayesian analysis of the experimental data and fully includes the systematic uncertainties of the model. This is the first limit on ${\mathring{a}}_{\text{of}}^{(3)}$ obtained with a scintillating bolometer, showing the potentiality of this technique.

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Cited by in corpus (12)

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• Probing Beyond the Standard Model Physics with Double-beta Decays
• Final results of CALDER: Kinetic inductance light detectors to search for rare events
• Probing Lorentz violation in $2\nu \beta \beta$ using single electron spectra and angular correlations
• Array of Cryogenic Calorimeters to Evaluate the Spectral Shape of forbidden $\beta$-decays: the ACCESS project
• Quantum gravity phenomenology at the dawn of the multi-messenger era -- A review
• Measurement of ${}^{216}$Po half-life with the CUPID-0 experiment
• Investigation of the Lorentz invariance violation in two-neutrino double-beta decay
• Search for double $\beta$-decay modes of ${}^{64}$Zn using purified zinc
• Constraining the isotropic CPT-odd coefficients of the Standard Model Extension by a combined DUNE and ESSnuSB analysis
• Double beta decay results from the CUPID-0 experiment