Measuring gamma in B -> K pi pi Decays

Details Measuring gamma in B -> K pi pi Decays Measuring gamma in B -> K pi pi Decays

2010-11-22

arxiv.org/abs/1011.4973v4

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 10 figures, reference updated, sentences added regarding indirect CP violation and CP of the final state. Text added

Scientific paper

We re-examine the question of measuring the weak phase gamma in B -> K pi pi decays. To this end, we express all B -> K pi pi amplitudes in terms of diagrams. We show that, as in B -> K pi, there exist relations between certain tree and electroweak-penguin diagrams. The imposition of these relations allows the extraction of gamma from measurements of the B -> K pi pi observables. We estimate the theoretical error in this method to be O(5%).

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