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Indications for Factorization andReVub<0from RareBDecay Data

1999/02/28 by Xiao-Gang He, Wei-Shu Hou, Kwei-Chou Yang · 3 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1103/physrevlett.83.1100

published as Phys.Rev.Lett. 83 (1999) 1100-1103 · 11 pages, revtex, 4 figures (unchanged and eps files included); version (including title and abstract change) to appear in Phys. Rev. Lett

arxiv created 1999/06/28 · openalex publication_date 1999/08/09 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Surveying known hadronic rare B decays, we find that the factorization approximation can give a coherent account of K\ensuremathπ, \ensuremathπ\ensuremathπ, and \ensuremathρ0\ensuremathπ+ data and give predictions for \ensuremathω0\ensuremathπ+, \ensuremathρ\ensuremathπ, and K*\ensuremathπ modes, if ReVub is taken as negative (in standard phase convention) rather than positive. As further confirmation, we expect a lower sin2\ensuremathβ value at B factories as compared to current fits, and Bs mixing close to LEP bounds at SLD and CDF.

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