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Phys. Rev. D 72, 024027 (2005) [6 pages]

Quantum gravity induced Lorentz invariance violation in the standard model: Hadrons

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Jorge Alfaro*
Dept. de Física Teórica C-XI, Facultad de Ciencias, Universidad Autonoma de , Cantoblanco, 28049, Madrid, Spain
Facultad de Física, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile

Received 25 May 2005; published 27 July 2005

In a previous letter, we have observed that the infinities of the standard model (SM) are a source of Quantum Gravity effects at lower energies. This analysis implies the existence of Lorentz invariance violation (LIV) within the SM. In this paper we obtain the LIV for mesons and nucleons using chiral lagrangian and Heavy Baryon Chiral Perturbation Theory. We use them to study several effects, including the GZK anomaly.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.72.024027
DOI:
10.1103/PhysRevD.72.024027
PACS:
04.60.Pp, 11.15.−q

*Email address: jalfaro@puc.cl

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