Semileptonic Bc decay and heavy quark spin symmetry

1992/04/30 by Elizabeth Jenkins, Michael Luke, Aneesh V. Manohar +1 · 5 citations
Physics and Astronomy · #Electron #Exponential decay #High-Energy Particle Collisions Research #Lepton #Meson #Nuclear physics #Operator product expansion #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quark #Recoil #Semileptonic decay #hep-ph

paper · pdf · doi:10.1016/0550-3213(93)90464-z

published as Nucl.Phys.B390:463-473,1993 · (12 Pages, no figures)

arxiv created 1992/04/30 · openalex publication_date 1993/02/01 · arxiv updated 2016/09/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Semileptonic decay of the B_c meson is studied in the heavy quark limit. The six possible form factors for B_c → B_s (B⁰),B_s^* (B^*0) semileptonic decay are determined by two invariant functions. Only one of these functions contributes at zero recoil, where it is calculable to lowest order in an operator product expansion in terms of the meson decay constant f_B and the B_c wavefunction. A similar result is found for B_c → D⁰,D^*0 and for B_c→η_c,J/ψ semileptonic decay for a restricted kinematic region. Semileptonic B_c decay provides a means for determining the KM mixing angle |V_ub|.

Cited by

• Static properties and semileptonic decays of doubly heavy baryons in a nonrelativistic quark model
• Hidden charm pentaquark and Λ(1405) in the Λb0→ηcK−p(πΣ) reaction
• Exclusivec→s,dsemileptonic decays of ground-state spin-1/2and spin-3/2doubly heavycbbaryons
• Remarks on the heavy-quark flavour symmetry for doubly heavy hadronic molecules
• B¯c→ηc, B¯c→J/ψ and B¯→D(*) semileptonic decays including new physics