Relativistic Effects and the Confining Force in Heavy Quarkonia : Particles and Fields
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概要
- 論文の詳細を見る
Mass spectra, leptonic-decay rates and E1-transition rates of the charmonium and the bb^^- system are investigated by using the instantaneous BS equation with flavor-independent confining forces. The cutoff in the transverse part of the gluon propagator is examined by considering the 4th-order quark-pair potential and determined to be 1.5m_q. In the case of the effective-vector confining potential, only rough models can be constructed even if one assumes the long-range tensor and/or spin-spin forces. It is contrarily shown that the mass spectra are reproduced very well by the effective-scalar confining potential. Renormalized leptonic decay widths corrected by the hard-gluon contribution are consistent with the experiments in this model. E1-transition rates of ψ'→γχ_j are also consistent with the experimental values.
- 理論物理学刊行会の論文
- 1986-06-25
著者
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ITO Hitoshi
Department of Radiology, Okitama Public General Hospital
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Ito H
Kinki Univ. Higashi‐osaka Jpn
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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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