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Light pseudoscalar meson and heavy meson scattering lengths
Liu YR(刘言锐); Liu, YR; Liu, X; Zhu, SL
2009
发表期刊PHYSICAL REVIEW D
卷号79期号:9页码:94026
通讯作者[Zhu, Shi-Lin] Peking Univ, Dept Phys, Beijing 100871, Peoples R China ; [Liu, Xiang] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China ; [Liu, Yan-Rui] Inst High Energy Phys, Beijing 100049, Peoples R China ; [Liu, Xiang] Univ Coimbra, Dept Fis, Ctr Fis Computac, P-3004516 Coimbra, Portugal
文章类型Article
摘要We have performed a systematical calculation of the pion (pi, K, eta) and heavy pseudoscalar meson S-wave scattering lengths up to O(p(3)) in the chiral perturbation theory in the heavy quark symmetry limit. With the three scattering lengths from the lattice simulations as input we estimate the unknown low-energy constants. Then we predict all the other unmeasured scattering lengths. The analytical expressions and predictions may be helpful to future investigations. Especially we note that the DK scattering length is positive. Therefore their interaction is attractive, which helps to lower the mass of the bare charm-strange scalar state in the quark model through the couple-channel effect.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.79.094026
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000266501800045
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240882
专题理论物理室
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Liu YR,Liu, YR,Liu, X,et al. Light pseudoscalar meson and heavy meson scattering lengths[J]. PHYSICAL REVIEW D,2009,79(9):94026.
APA 刘言锐,Liu, YR,Liu, X,&Zhu, SL.(2009).Light pseudoscalar meson and heavy meson scattering lengths.PHYSICAL REVIEW D,79(9),94026.
MLA 刘言锐,et al."Light pseudoscalar meson and heavy meson scattering lengths".PHYSICAL REVIEW D 79.9(2009):94026.
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