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Search for Lorentz and CPT symmetries violation in double-beta decay using data from the GERDA experiment

by Luigi Pertoldi

Institution: Università degli Studi di Padova
Department:
Degree:
Year: 2022
Keywords: neutrino, GERDA, double-beta, CPT, Lorentz; Settore FIS/04 - Fisica Nucleare e Subnucleare; Settore FIS/01 - Fisica Sperimentale
Posted: 3/25/2025
Record ID: 2299523
Full text PDF: http://hdl.handle.net/20.500.12608/27862


Abstract

Many versions of Quantum Gravity foresee the breakdown, at the Planck scale, of two of the building blocks of the Standard Model of Particle Physics (SM): the Lorentz and the CPT symmetries. Direct observations at the Planck scale are not yet possible, however Physics beyond the SM could produce effects at low energies, for example in the neutrino sector. We discuss the presence of a Lorentz and CPT-violating double-beta decay mode in data from the Phase II of the GERDA experiment, located at LNGS in Italy. open

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