We investigate the consequences of higher dimension Lorentz violating, CPT even kinetic operators that couple standard model fields to a non-zero vector field in an Effective Field Theory framework. Comparing the ultra-high energy cosmic ray spectrum reconstructed in the presence of such terms with data from the Pierre Auger Observatory allows us to establish stringent bounds on O(E/M-Pl)(2) suppressed violations of Lorentz invariance.
Ultra-high-energy cosmic rays and planck-suppressed lorentz invariance violation / Maccione, L.; Taylor, A. M.; Mattingly, D. M.; Liberati, Stefano. - In: INTERNATIONAL JOURNAL OF MODERN PHYSICS D. - ISSN 0218-2718. - 18:10(2009), pp. 1621-1625. (Intervento presentato al convegno International Workshop on High-Energy Gamma-Rays and Neutrinos from Extra-Galactic Sources tenutosi a Heidelber, Germany nel 13-16 Jan 2009) [10.1142/S0218271809015527].
Ultra-high-energy cosmic rays and planck-suppressed lorentz invariance violation
Liberati, Stefano
2009-01-01
Abstract
We investigate the consequences of higher dimension Lorentz violating, CPT even kinetic operators that couple standard model fields to a non-zero vector field in an Effective Field Theory framework. Comparing the ultra-high energy cosmic ray spectrum reconstructed in the presence of such terms with data from the Pierre Auger Observatory allows us to establish stringent bounds on O(E/M-Pl)(2) suppressed violations of Lorentz invariance.| File | Dimensione | Formato | |
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