Variational Approach to πN Scattering in a Chiral Quark-Pion Model

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概要

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• The P-wave πN scattering problem, combined with the one-day problem for a nucleon N and delta Δ, is studied with the variational principle within a linear quark-pion coupling theory. By using the generator coordinate method, the N and Δ are projected from an intrinsic state constructed by a coherent pion state and a quark-core state, both of which satisfy the hedgehog ansatz. The Kohn-type variational principle is developed for the T-matrix. The gross features of the calculated phase shifts are quite satisfactory except for the P_<11> channel, where the Roper resonance is not taken into account.

• 理論物理学刊行会の論文
• 1987-08-25

著者

• Uehara Masayuki

  Department Of Physics Kyoto University

• Fujiwara Koetsu

  Department of Physics, Kyushu University

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