2010/09/23 by Thomas Mannel, Th. Mannel, Sascha Turczyk +1 · 88 citations
Mathematics · Physics and Astronomy · #B meson #Combinatorics #Dimension (graph theory) #Hadron #High-Energy Particle Collisions Research #Lepton #Mathematics #Matrix (chemical analysis) #Meson #Nuclear physics #Order (exchange) #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Saturation (graph theory) #Semileptonic decay #hep-ph
paper · pdf · doi:10.1007/jhep11(2010)109
published in Journal of High Energy Physics 2010(11) (Springer Nature) · 30 pages, 16 figures
arxiv created 2010/09/23 · openalex publication_date 2010/11/01 · arxiv updated 2010/12/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06
We discuss order 1/mb4 and 1/mb5 corrections in inclusive semileptonic decay of a B meson. We identify relevant hadronic matrix elements of dimension seven and eight and estimate them using the ground-state saturation approximation. Within this approach the effects on the integrated rate and on kinematic moments are estimated. The overall relative shift in Vcb turns out about +0.4% as applied to the existing fits. Similar estimates are presented for B -> Xs+γdecays.