2019/01/31 by Fu-Lai Wang, Rui Chen, Zhan-Wei Liu +1
Chemistry · Mathematics · Physics and Astronomy · #Advanced NMR Techniques and Applications #Bar (unit) #Baryon #Charm (quantum number) #Geometry #Mathematics #Meson #Nuclear physics research studies #Particle physics #Physics #Quantum Chromodynamics and Particle Interactions #Quark #Spin (aerodynamics) #Symmetry (geometry) #Thermodynamics #hep-ph
paper · pdf · doi:10.1103/physrevd.99.054021
published as Phys. Rev. D 99, 054021 (2019) · 10 pages, 5 figures, Accepted by PRD
openalex created_date 2019/01/11 · arxiv created 2019/03/19 · openalex publication_date 2019/03/25 · arxiv updated 2019/04/03 · openalex updated_date 2026/08/05
In this work, we explore a systematic investigation on S-wave interactions between a doubly charmed baryon \mathrm\ensuremathΞcc(3621) and a charmed meson in a T doublet (D1,D2*). We first analyze the possibility for forming \mathrm\ensuremathΞccD1/\mathrm\ensuremathΞccD2* bound states with the heavy quark spin symmetry. Then, we further perform a dynamical study on the \mathrm\ensuremathΞccD1/\mathrm\ensuremathΞccD2* interactions within a one-boson-exchange model by considering both the S\ensuremath-D wave mixing and coupled channel effect. Finally, our numerical results conform the proposals from the heavy quark spin symmetry analysis: the \mathrm\ensuremathΞccD1 systems with I(JP)=0(1/2+,3/2+) and the \mathrm\ensuremathΞccD2* systems with I(JP)=0(3/2+,5/2+) can possibly be loose triple-charm molecular pentaquarks. Meanwhile, we also extend our model to the \mathrm\ensuremathΞccD1 and \mathrm\ensuremathΞccD2* systems, and our results indicate the isoscalars of \mathrm\ensuremathΞccD1 and \mathrm\ensuremathΞccD2* can be possible molecular candidates.