Low-energy interactions of Nambu-Goldstone bosons with D mesons in covariant chiral perturbation theory

被引：71

作者：

Geng, L. S. ^{[1
,2
]}

Kaiser, N. ^{[2
]}

Martin-Camalich, J. ^{[3
,4
]}

Weise, W. ^{[2
]}

机构：

[1] Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China

[2] Tech Univ Munich, Dept Phys, D-85747 Garching, Germany

[3] Univ Valencia, CSIC, Dept Fis Teor, E-46071 Valencia, Spain

[4] Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain

来源：

PHYSICAL REVIEW D | 2010年 / 82卷 / 05期

关键词：

HEAVY MESONS; NUCLEONS; HADRONS; MASSES;

D O I：

10.1103/PhysRevD.82.054022

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the scattering lengths of Nambu-Goldstone bosons interacting with D mesons in a covariant formulation of chiral perturbation theory, which satisfies heavy-quark spin symmetry and analytical properties of loop amplitudes. We compare our results with previous studies performed using heavy-meson chiral perturbation theory and show that recoil corrections are sizable in most cases.

引用

页数：7

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