Heavy Quark Expansion for Heavy Hadron Lifetimes: Completing the\n 1/m_b³ Corrections

2020/04/20 by Thomas Mannel, Mannel, Thomas, Daniel Moreno +3 · 3 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.2004.09485

openalex publication_date 2020/04/20 · openalex created_date 2022/07/26 · openalex updated_date 2026/07/28

Abstract

We complete the calculation of the contributions from the dimension six\noperators in the heavy quark expansion for the total lifetime of heavy hadrons.\nWe give the expressions for the Wilson coefficients of the Darwin term \ρ_D\nand the spin-orbit term \ρ _{rm LS} at tree level.\n

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