2005/12/30 by M. Giorgini, Miriam Giorgini
Physics and Astronomy · #CP violation #CPT symmetry #Equivalence (formal languages) #Lorentz covariance #Lorentz transformation #Macro #Muon #Neutrino #Neutrino Physics Research #Neutrino oscillation #Noncommutative and Quantum Gravity Theories #Particle physics theoretical and experimental studies #hep-ex
paper · pdf · doi:10.1007/s10582-006-0163-x
published as Czech.J.Phys.56:A291-A300,2006 · 8 pages, 5 EPS figures, uses article.sty. Invited talk at C2CR 2005, From Colliders to Cosmic Rays, Prague, Czech Republic, 7-13 September 2005
arxiv created 2005/12/30 · openalex publication_date 2006/09/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The energy spectrum of neutrino-induced upward-going muons in MACRO was analysed in terms of special relativity principles violating effects, keeping standard mass-induced atmospheric neutrino oscillations as the dominant source of numu <--> nutau transitions. The data disfavour these exotic possibilities even at a sub-dominant level, and stringent 90% C.L. limits are placed on the Lorentz invariance violation parameters. These limits can also be re-interpreted as upper bounds on the parameters describing violation of the Equivalence Principle.