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Radial excitations of heavy-light mesons
Authors:T. Matsuki  T. Morii  K. Sudoh
Affiliation:(1) Tokyo Kasei University, 1-18-1 Kaga, 173 Itabashi, Tokyo, Japan;(2) Graduate School of Science and Technology, Kobe University, 657-8501 Nada, Kobe, Japan;(3) Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization, 1-1 Ooho, 305-0801 Tsukuba, Ibaraki, Japan
Abstract:The recent discovery of Ds states suggests the existence of radial excitations. Our semirelativistic quark potential model succeeds in reproducing these states within one to two percent of accuracy compared with the experiments, D s0(2860) and D s *(2715), which are identified as 0+ and 1- radial excitations (n = 2). We also present calculations of radial excitations for B/B s heavy mesons. The relation between our formulation and the modified Goldberger-Treiman relation is also described.
Keywords:12.39.Hg Heavy quark effective theory  12.39.Pn Potential models  12.40.Yx Hadron mass models and calculations  14.40.Lb Charmed mesons
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