LABORATORY BOUNDS ON LORENTZ SYMMETRY VIOLATION IN LOW ENERGY NEUTRINO PHYSICS

Author:

DI GREZIA E.12,ESPOSITO S.12,SALESI G.34

Affiliation:

1. Dipartimento di Scienze Fisiche, Università di Napoli "Federico II", Italy

2. Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, Complesso Universitario di Monte S. Angelo, via Cinthia, I-80126 Naples, Italy

3. Università Statale di Bergamo, Facoltà di Ingegneria, viale Marconi 5, 24044 Dalmine (BG), Italy

4. Istituto Nazionale di Fisica Nucleare, Sezione di Milano, via Celoria 16, I-20133 Milan, Italy

Abstract

Quantitative bounds on Lorentz symmetry violation in the neutrino sector have been obtained by analyzing existing laboratory data on neutron β decay and pion leptonic decays. In particular some parameters appearing in the energy–momentum dispersion relations for νe and νμ have been constrained in two typical cases arising in many models accounting for Lorentz violation.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

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