On the Gluonic Correction to Lepton-Pair Decays in a Relativistic Quarkonium Model : Particles and Fields
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概要
- 論文の詳細を見る
The gluonic correction to the leptonic decay of the heavy vector meson is investigated by using the perturbation theory to the order α_s. The on-mass-shell approximation is assumed for the constituent quarks so that we assure the gauge independence of the correction. The decay in the model based on the Bethe-Salpeter equation are also shown, in which the gluonic correction with a high-momentum cutoff is calculated for the off-shell quarks. It is shown that the static approximation to the correction factor (1-16α_s/3π) is not adequate and the gluonic correction does not suppress but enhance the decay rates of the ground states for the cc and bb systems.
- 一般社団法人日本物理学会の論文
- 1987-03-25
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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