Exotic double-charm molecular states with hidden or open strangeness and around 4.5 ∼ 4.7 GeV

被引：21
作者：
Wang, Fu-Lai
Liu, Xiang [1 ]
机构：
[1] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
来源：
PHYSICAL REVIEW D | 2020年 / 102卷 / 09期
关键词：
MESON; PENTAQUARK; DEUSONS;
D O I：
10.1103/PhysRevD.102.094006
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this work, we investigate the interactions between the charmed-strange meson (D-s, D-s*) in H-doublet and the (anti-)charmed-strange meson (D-s1, D-s2*) in T-doublet, where the one boson exchange model is adopted by considering the S-D wave mixing and the coupled-channel effects. By extracting the effective potentials for the discussed H-s(T) over bar (s) and H-s(T) over bar (s) systems, we try to find the bound state solutions for the corresponding systems. We predict the possible hidden-charm hadronic molecular states with hidden strangeness, i.e., the D-s*(D) over bar (s1) + c.c. states with J(PC) = 0(--),0(-+) and the D-s* (D) over bar (s2)* + c.c. states with JPC = 1(--),1(-+). Applying the same theoretical framework, we also discuss the HsTs systems. Unfortunately, the existence of the open-charm and open-strange molecular states corresponding to the HsTs systems can be excluded.
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页数：17
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