Hadronic molecular states from the K(K)over-bar* interaction

doi:10.1140/epja/i2016-16359-7

	*Hadronic molecular states from the K(K)over-bar interaction**
	Lu, Pei-Liang 1,2,3; He, Jun1,2,3
刊名	EUROPEAN PHYSICAL JOURNAL A
	2016-12-12
卷号	52 页码:6
ISSN号	1434-6001
DOI	10.1140/epja/i2016-16359-7
英文摘要	In this work, the K (K) over bar* interaction is studied in a quasipotential Bethe-Salpeter equation approach combined with the one-boson-exchange model. With the help of the hidden-gauge Lagrangian, the exchanges of pseudoscalar mesons (pi and eta) and vector mesons (rho, omega and phi) are considered to describe the K (K) over bar* interaction. Besides the direct vector-meson exchange which can be related to the WeinbergTomozawa term, pseudoscalar-meson exchanges also play important roles in the mechanism of the K _ K* interaction. The poles of scattering amplitude are searched to find the molecular states produced from the K (K) over bar* interaction. In the case of quantum number I-G (J(PC)) = 0(+)(1(++)), a pole is found with a reasonable cutoff, which can be related to the f(1)(1285) in experiment. Another bound state with 0(-)(1(+)-) is also produced from the K (K) over bar* interaction, which can be related to the h(1)(1380). In the isovector sector, the interaction is much weaker and a bound state with 1(+)(1(+)) relevant to the b(1)(1235) is produced but at a larger cutoff. Our results suggest that in the hadronic molecular state picture the f(1)(1285) and b(1)(1235) are the strange partners of the X(3872) and Z(c)(3900), respectively.
资助项目	Major State Basic Research Development Program in China[2014CB845405] ; National Natural Science Foundation of China[11275235] ; National Natural Science Foundation of China[11675228]
WOS关键词	CHIRAL LAGRANGIANS ; SYMMETRY ; MESON
WOS研究方向	Physics
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000392025500002
资助机构	Major State Basic Research Development Program in China ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/44182]
专题	中国科学院近代物理研究所
通讯作者	He, Jun
作者单位	1.Chinese Acad Sci, Inst Modern Phys, Div Theoret Phys, Lanzhou 730000, Peoples R China 2.Inst Modern Phys CAS, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China 3.Lanzhou Univ, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Lu, Pei-Liang,He, Jun. Hadronic molecular states from the K(K)over-bar* interaction[J]. EUROPEAN PHYSICAL JOURNAL A,2016,52:6.
APA	Lu, Pei-Liang,&He, Jun.(2016).Hadronic molecular states from the K(K)over-bar* interaction.EUROPEAN PHYSICAL JOURNAL A,52,6.
MLA	Lu, Pei-Liang,et al."Hadronic molecular states from the K(K)over-bar* interaction".EUROPEAN PHYSICAL JOURNAL A 52(2016):6.