カイラル・クォ-ク模型に基づく核子の構造〔英文〕 (クォ-ク・ハドロン多体系の相対論的取扱い)
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概要
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The baryon-number-one soliton solution of a chiral quark lagrangian is obtained numerically in the mean-field approximation with full inclusion of the Dirac sea quarks using the proper-time regularization. The collective quantization method is applied to this static solution to obtain the nucleon (and Δ) state with the definite spin and isospin. We then evaluate various nucleon observables in a nonperturbative manner with inclusion of the vacuum polarization effects. The proton spin analysis is shown to be particularly useful for clarifying the underlying dynamical content of the Skyrme model at quark level.
- 素粒子論グループ 素粒子研究編集部の論文
- 1991-05-20