AbstractThe couplings of the η and η′ mesons to the nucleon are obtained from the UA(1) Goldberger–Treiman relation. The chiral symmetry breaking corrections are very large and bring the calculated values of the coupling constants GηNN and Gη′NN close to values obtained from potential models
AbstractWe investigate the parity-violating πNN Yukawa coupling constant hπNN1 within the framework ...
The Goldberger--Treiman relation for heavy--light systems is derived in the context of a quark model...
We study the coupling of the Λ(1520)≡Λ* resonance to the K* vector meson and nucleon. This coupling ...
From an SU(2)⊗SU(2) chiral quark potential model incorporating spontaneous chiral symmetry breaking ...
Using a chiral unitary model in which the negative parity nucleon resonance N∗≡N∗(1535) is generated...
The approach to the η′−η complex employing chirally well-behaved quark-antiquark bound states and in...
Three-quark nucleon interpolating fields in QCD have well-defined SU(L)(2) x SU(R)(2) and U(A)(1) ch...
The radiative decays of the pseudoscalar mesons P = (π0,η,η′) are of special interest as they provid...
The coupling constants G_(K N Lambda) and G_(K N Sigma) are obtained from the Goldberger-Treiman rel...
We investigate the strong coupling constants for the baryon octet–octet, decuplet–octet, and decuple...
The QCD formulae for the radiative decays η, η′ → γγ, and the corresponding Dashen–Gell-Mann–Oakes–R...
We study SU(3) flavor-breaking corrections to the relation between the octet baryon masses and the n...
We study the J/ψ→p¯ηp and J/ψ→p¯K+Λ reactions with a unitary chiral approach. We find that the unita...
We shed light upon the η' mass in nuclear matter in the context of partial restoration of chiral sym...
We perform calculations for the ηc→ηπ+π− decay using elements of SU(3) symmetry to see the weight of...
AbstractWe investigate the parity-violating πNN Yukawa coupling constant hπNN1 within the framework ...
The Goldberger--Treiman relation for heavy--light systems is derived in the context of a quark model...
We study the coupling of the Λ(1520)≡Λ* resonance to the K* vector meson and nucleon. This coupling ...
From an SU(2)⊗SU(2) chiral quark potential model incorporating spontaneous chiral symmetry breaking ...
Using a chiral unitary model in which the negative parity nucleon resonance N∗≡N∗(1535) is generated...
The approach to the η′−η complex employing chirally well-behaved quark-antiquark bound states and in...
Three-quark nucleon interpolating fields in QCD have well-defined SU(L)(2) x SU(R)(2) and U(A)(1) ch...
The radiative decays of the pseudoscalar mesons P = (π0,η,η′) are of special interest as they provid...
The coupling constants G_(K N Lambda) and G_(K N Sigma) are obtained from the Goldberger-Treiman rel...
We investigate the strong coupling constants for the baryon octet–octet, decuplet–octet, and decuple...
The QCD formulae for the radiative decays η, η′ → γγ, and the corresponding Dashen–Gell-Mann–Oakes–R...
We study SU(3) flavor-breaking corrections to the relation between the octet baryon masses and the n...
We study the J/ψ→p¯ηp and J/ψ→p¯K+Λ reactions with a unitary chiral approach. We find that the unita...
We shed light upon the η' mass in nuclear matter in the context of partial restoration of chiral sym...
We perform calculations for the ηc→ηπ+π− decay using elements of SU(3) symmetry to see the weight of...
AbstractWe investigate the parity-violating πNN Yukawa coupling constant hπNN1 within the framework ...
The Goldberger--Treiman relation for heavy--light systems is derived in the context of a quark model...
We study the coupling of the Λ(1520)≡Λ* resonance to the K* vector meson and nucleon. This coupling ...