1992/07/09 by Yosef Nir, Uri Sarid · 13 citations
Physics and Astronomy · #BETA (programming language) #Black Holes and Theoretical Physics #Hadron #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quark #Standard Model (mathematical formulation) #hep-ph
paper · pdf · doi:10.1103/physrevd.47.2818
published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 47(7), 2818-2824 (American Physical Society) · 11 pages and 4 postscript figures available on request, LaTeX, WIS-92/52/Jun-PH, LBL-32563
arxiv created 1992/07/09 · openalex publication_date 1993/04/01 · arxiv updated 2010/11/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The values of sin2\ensuremathα and sin2\ensuremathβ, where \ensuremathα and \ensuremathβ are angles of the unitarity triangle, will be readily measured in a B factory (and maybe also in hadron colliders). We study the standard model constraints in the sin2\ensuremathα\ensuremath-sin2\ensuremathβ plane. We use the results from recent analyses of fB and \ensuremathτb|Vcb|2 which take into account heavy-quark symmetry considerations. We find sin2\ensuremathβ\ensuremath≥0.15 and most likely sin2\ensuremathβ\ensuremath\gtrsim0.6, and emphasize the strong correlations between sin2\ensuremathα and sin2\ensuremathβ. Various schemes for quark mass matrices allow much smaller areas in the sin2\ensuremathα\ensuremath-sin2\ensuremathβ plane. We study the schemes of Fritzsch, of Dimopoulos, Hall, and Raby, and of Giudice, as well as the "symmetric Cabibbo-Kobayashi-Maskawa" idea, and show how CP asymmetries in B decays will crucially test each of these schemes.