Discrete ambiguities in the determination of the CP angles

Jérôme Charles (1, 2) , L. Oliver (3)

1 CPT - Centre de Physique Théorique - UMR 6207
2 CPT - Centre de Physique Théorique - UMR 7332
3 LPT - Laboratoire de Physique Théorique d'Orsay [Orsay]

We review briefly the problem of the discrete ambiguities in the determination of the CKM angles, by classifying them into different categories. We then focus on cos(2beta) and the extraction of alpha using QCD factorization.

Domaines: Physique des Hautes Energies - Expérience [hep-ex]; Physique des Hautes Energies - Phénoménologie [hep-ph]

Jérôme Charles, L. Oliver. Discrete ambiguities in the determination of the CP angles. Nuclear Physics B Proceedings Supplement, 2001, 99B, pp.287-294. ⟨hal-00137249⟩