2011

SU(3) Breaking in Charmless B Decays

Imbeault, Maxime, London, David

Understand

There are many charmless B decay pairs whose amplitudes are related by U spin (d <--> s) or flavor SU(3).

The theoretical uncertainty in any analysis involving such pairs must take into account U-spin/SU(3) breaking.
In the past, such considerations generally used theoretical input, but we show that this can be experimentally measured.
We present lists of two- and three-body decay pairs from which the size of the breaking can be obtained.

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