We present the search for Lorentz violation in the double beta decay of Se82 with CUPID-0, using an exposure of 9.95 kg×yr. We found no evidence for the searched signal and set a limit on the isotropic components of the Lorentz violating coefficient of aa-of(3)<4.1×10-6 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 aâ-of(3) obtained with a scintillating bolometer, showing the potentiality of this technique.
Azzolini, O., Beeman, J., Bellini, F., Beretta, M., Biassoni, M., Brofferio, C., et al. (2019). First search for Lorentz violation in double beta decay with scintillating calorimeters. PHYSICAL REVIEW D, 100(9) [10.1103/PhysRevD.100.092002].
First search for Lorentz violation in double beta decay with scintillating calorimeters
Beretta, M.
;Biassoni, M.;Brofferio, C.;Capelli, S.;Carniti, P.;Chiesa, D.;Clemenza, M.;Cremonesi, O.;Gironi, L.;Giuliani, A.;Gorla, P.;Gotti, C.;Martinez, M.;Nastasi, M.;Nones, C.;Nutini, I.;Orlandi, D.;Pagnanini, L.;Pattavina, L.;Pavan, M.;Pessina, G.;Pozzi, S.;Previtali, E.;Puiu, A.;
2019
Abstract
We present the search for Lorentz violation in the double beta decay of Se82 with CUPID-0, using an exposure of 9.95 kg×yr. We found no evidence for the searched signal and set a limit on the isotropic components of the Lorentz violating coefficient of aa-of(3)<4.1×10-6 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 aâ-of(3) obtained with a scintillating bolometer, showing the potentiality of this technique.
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