2016/12/31 by Yasuhiro Yamaguchi, Shigehiro Yasui
Physics and Astronomy · #Bar (unit) #Bound state #Hadron #Meson #Nuclear physics #Nuclear physics research studies #Nucleon #Nucleus #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quark #hep-ph #nucl-th
paper · pdf · doi:10.1093/ptep/ptx112
published as Prog. Theor. Exp. Phys. 2017, 093D02 · 18 pages, 9 figures and 3 tables, published version
openalex publication_date 2017/07/18 · arxiv created 2017/09/19 · arxiv updated 2019/08/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The binding of a hadron and a nucleus is a topic of great interest for investigating hadron properties. In the heavy-flavor region, attraction between a |P(=D,B)| meson and a nucleon |N| can appear, where |PN|–|P^∗ N| mixing plays an important role in relation to the heavy-quark spin symmetry. The attraction can produce exotic heavy mesic nuclei that are stable against strong decay. We study an exotic system where the |D| (|B|) meson and nucleus are bound. The meson–nucleus interaction is given by a folding potential with single-channel |PN| interaction and the nucleon number distribution function. By solving the Schrödinger equations of the heavy meson and the nucleus, we obtain several bound and resonant states for nucleon number |A=16,…,208|. The results indicate the possible existence of exotic mesic nuclei with a heavy antiquark.