Clean CKM Information from Bd(t) -> D(*)+/- pi-/+

Isard Dunietz (Fermilab)

Clean CKM Information from Bd(t) -> D(*)+/- pi-/+

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arxiv hep-ph/9712401 v1 pith:LMOYEFCY submitted 1997-12-16 hep-ph

Isard Dunietz (Fermilab) This is my paper · ORCID

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keywords betaalphaambiguitybeencabibbo-kobayashi-maskawacleancleanlydescribes

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It has been known for many years that the Bd(t) -> D(*)+/- {pi-/+, rho-/+, a1-/+} modes may involve observable CP violating effects. This note describes how to determine cleanly the Cabibbo-Kobayashi-Maskawa (CKM) phase phi = -2 beta - gamma = -pi + alpha - beta, even in the presence of possible final state interactions. A discrete ambiguity remains.

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Hilbert Series of Pseudoscalar Mesons: Operators and Sum Rules
hep-ph 2026-08 conditional novelty 6.0 of 10

A Hilbert series construction yields the complete four-meson, two-derivative operator basis with CKM spurions, from which all leading-order B to pseudoscalar decay sum rules follow as null vectors.

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