Nucleon pole contribution in the $pp\to ppK^+K^-$ reaction below the $ϕ$ meson threshold
Qi-Fang Lü,
Jue-Jun Xie,
De-Min Li
Abstract:Nucleon pole contribution in the pp → ppK + K − reaction below the threshold of the production of the φ meson is studied within the effective Lagrangian approach. It is assumed that the K − p final state originates from the decay of the hyperons Λ(1115) and Λ(1405). In addition to the pp final state interaction (FSI) parametrized using the Jost function, we have also considered the K + K − FSI with the techniques of the chiral unitary approach, where the scalar mesons f0(980) and a0(980) were dynamically gener… Show more
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