Zb(10610)± and Zb(10650)± as the B(B)over-bar and B(B)over-bar* molecular states

被引：168

作者：

Sun, Zhi-Feng ^{[1
,2
,4
]}

He, Jun ^{[1
,2
,3
]}

Liu, Xiang ^{[1
,2
,4
]}

Luo, Zhi-Gang ^{[5
,6
]}

Zhu, Shi-Lin ^{[5
,6
]}

机构：

[1] Lanzhou Univ, Res Ctr Hadron, Lanzhou 730000, Peoples R China

[2] Lanzhou Univ, CSR Phys, Lanzhou 730000, Peoples R China

[3] Chinese Acad Sci, Inst Modern Phys, Nucl Theory Grp, Lanzhou 730000, Peoples R China

[4] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China

[5] Peking Univ, Dept Phys, Beijing 100871, Peoples R China

[6] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China

来源：

PHYSICAL REVIEW D | 2011年 / 84卷 / 05期

基金：

中国国家自然科学基金;

关键词：

CHIRAL PERTURBATION-THEORY; FINITE-ELEMENT SOLUTION; HEAVY; CHARMONIUM; PROGRAM; DEUSONS; DECAYS; FESSDE;

D O I：

10.1103/PhysRevD.84.054002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the framework of the one-boson-exchange model, we have studied the interaction of the B*(B) over bar and B*(B) over bar* systems. After considering the S-wave and D-wave mixing, we notice that both Z(b)(10610)(+/-) and Z(b)(10650)(+/-) can be interpreted as the B*(B$) over bar and B*(B) over bar* molecular states quite naturally. The long-range one-pion-exchange force alone is strong enough to form these loosely bound molecular states, which ensures the numerical results are quite model independent and robust.

引用

页数：5

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Zb(10610)± and Zb(10650)± as the B*(B)over-bar and B*(B)over-bar* molecular states

Zb(10610)± and Zb(10650)± as the B(B)over-bar and B(B)over-bar* molecular states