Role of the N-*(1535) in the J/psi -> pp and J/psi -> p(+)Lambda reactions
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Role of the N-*(1535) in the J/psi -> pp and J/psi -> p(+)Lambda reactions

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Role of the N-*(1535) in the J/psi -> pp and J/psi -> p(+)Lambda reactions

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Geng, Li Sheng; Oset Báguena, Eulogio Perfil; Zou, B. S.; Döring, Michael
Aquest document és un/a article, creat/da en: 2009
We study the J/ψ→p¯ηp and J/ψ→p¯K+Λ reactions with a unitary chiral approach. We find that the unitary chiral approach, which generates the N∗(1535) dynamically, can describe the data reasonably well, particularly the ratio of the integrated cross sections. This study provides further support for the unitary chiral description of the N∗(1535). We also discuss some subtle differences between the coupling constants determined from the unitary chiral approach and those determined from phenomenological studies.

    Geng, Li Sheng Oset Báguena, Eulogio Zou, B. S. Döring, Michael 2009 Role of the N-*(1535) in the J/psi -> pp and J/psi -> p(+)Lambda reactions Physical Review C 79 2 025203
http://dx.doi.org/10.1103/PhysRevC.79.025203
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