Dispersive contribution to CP violation in hyperon decays
classification
✦ hep-ph
keywords
asymmetriescontributiondispersivemodelbeencalculationscp-violatingdecays
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Within the standard model, CP-violating asymmetries A(\Lambda^0_-) and A(\Xi^-_-) have been estimated in short-distance calculations to occur at the level of a few times 10^{-5}. We show here that in this model the dispersive contribution tends to give asymmetries of similar size.
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