On the Theoretical Understanding of Inclusive Λ_b Decays

1996/11/05 by P. Colangelo, Colangelo, P.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9611236

Talk given at the XXVIII International Conference on High Energy Physics ICHEP'96, Warsaw, Poland, July 25-31, 1996. LaTex, 4 pages, 1 figure, requires stwol.sty

arxiv created 1996/11/05 · openalex publication_date 1996/11/05 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

I discuss a QCD sum rule determination of the four-quark operator matrix elements contributing to the Λ_b inclusive decay rates at the order m_b^-3. The results suggest that 1/m_b³ corrections are not responsible of the observed difference between the lifetimes of Λ_b and B_d.

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