Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-10-20
Int.J.Mod.Phys.A21:4197-4207,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
Scientific paper
10.1142/S0217751X06031648
The latest measurement of the K_S to gamma gamma branching ratio clearly shows an enhancement over the current theoretical prediction. As in other K and B meson decays, this invites to consider the possibility of the contribution of new physics. We study a particular form of the latter, which may be referred to as manifest mirror symmetry. The experimental data are described using previously determined values for the mixing angles of the admixtures of mirror matter in ordinary hadrons and by assuming that for pi^0, eta, eta', the mirror decay amplitudes have the same magnitudes as their ordinary counterparts.
Garcia Augusto
Sanchez-Colon Gabriel
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