Strong two-body decays of theΛc(2940)+in a hadronic molecule picture

2009/10/31 by Yubing Dong, Amand Faessler, Thomas Gutsche +1 · 1 citation
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1103/physrevd.81.014006

published as Phys.Rev.D81:014006,2010 · 9 pages, 3 figures

arxiv created 2010/01/12 · openalex publication_date 2010/01/12 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

The \ensuremathΛ_c(2940)⁺ baryon with possible quantum numbers J^P=(1)/(2)⁺ and (1)/(2)^\ensuremath- is studied as a molecular state composed of a nucleon and D^* meson. We give predictions for the strong two-body decay channels \ensuremathΛ_c(2940)⁺\ensuremath→pD⁰, \ensuremathΣ_c⁺⁺\ensuremathπ^\ensuremath- and \ensuremathΣ_c⁰\ensuremathπ⁺, where the sum of partial widths is consistent with current data for the case of J^P=(1)/(2)⁺. The case of J^P=(1)/(2)^\ensuremath- is shown to be ruled out.

Citations

• Estimate for theX(3872)→γJ/ψdecay width
• Weak decays of heavy hadron molecules involving thef0(980)
• Semileptonic decays of the lightJP=1/2+ground state baryon octet
• Masses of excited heavy baryons in the relativistic quark–diquark picture
• Chiral perturbation theory to one loop
• Lagrangian theory of composite particles
• Compositeness Criteria of Particles in Quantum Field Theory and S‐Matrix Theory
• Magnetic moments of heavy baryons in the relativistic three-quark model
• Phenomenological Lagrangians

Cited by

• Decays ofZ+bandZ′ +bas hadronic molecules