Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-11-04
Phys.Lett. B449 (1999) 219-222
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages, 1 figure
Scientific paper
10.1016/S0370-2693(99)00016-7
Recently Coleman and Glashow [1] have developed a model which allows the introduction of a small violation of Lorentz invariance. Observational signatures arise because this interaction also violates flavor conservation and allows the radiative decay of the muon, $\mu \to e + \gamma$, whose branching ratio increases as b $\gamma^4$ where $\gamma$ is the Lorentz factor of the muon with respect to the reference frame in which the dipole anisotropy of the universal microwave radiation vanishes. In this paper we place a bound of b$< 10^{-25}$ based on observations of horizontal air showers with $n_e \geq 5 \times 10^6$. With such small values of b the proposed radiative decay of the muon will not affect the functioning of the muon collider.(THIS IS A PRELIMINARY VERSION)
Cowsik Ramanath
Sreekantan B. V.
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