Relativistic Quarkonium Model with Retardation Effect. I : Mass Level and Lepton-Pair Decay : Particles and Fields
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概要
- 論文の詳細を見る
A new relativistic two-body equation is proposed which has the charge-conjugation symmetry. The renormalization of the wave function at the origin (WFO) is done by incorporating the corresponding vertex equation. By using this model, the heavy-quarkonium phenomenology is developed putting emphasis on the short-distance interaction. The typical scale of the distance restricting the applicability of the ladder model for the mass spectra is found to be 0.13 fm : By assuming the equivalent high-momentum cutoff for the gluonic correction, good results are obtained for the charmonium masses. The improved fine-splittings of the bb^^- states are obtained by inclusion of the retardation. Leptonic decay rates are predicted by assuming the renormalized WFO reduced by another high-momentum cutoff.
- 理論物理学刊行会の論文
- 1990-07-25
著者
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Ito Hitoshi
Department Of Pharmacology Mie University School Of Medicine
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ITO Hitoshi
Department of Physics, Faculty of Science and Engineering, Kinki University
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ITO Hiroaki
Department of Physics, Nagoya University
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ITO Hidemi
Department of Physics, Kyoto University
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