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(7.3) It is clear that this vertex is proportional to that for the OBE-cou pling of the axial-vector meson

Γ 0 5-vertex: The QQ-meson vertices are [ ¯ui(k′ i)γ0 iγ5ui(ki) ] = √ E′ i +m′ i 2m′ i Ei +mi 2mi ·χ′† i · [ σ i · ki Ei +mi + σ i · k′i E′ i +mi ] χi ≈ χ′† i [ σ i · Qi 2mi ] χi ⇒

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Constituent Quark Model and nucleon-Nucleon Potentials

nucl-th · 2024-12-25 · conditional · novelty 5.0

A constituent quark model with m_q = M_N/3 can reproduce the spin-operator structure of phenomenological meson-nucleon vertices, but only after extra quark couplings are added to enforce the match.

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  • Constituent Quark Model and nucleon-Nucleon Potentials nucl-th · 2024-12-25 · conditional · none · ref 8

    A constituent quark model with m_q = M_N/3 can reproduce the spin-operator structure of phenomenological meson-nucleon vertices, but only after extra quark couplings are added to enforce the match.