Abstract
The mechanism of K* vector meson photoproduction off the proton target, γp → K*+Λ, is deeply studied by using an effective Lagrangian method. Based on the (t,s,u)-channel Born diagrams, we included higher resonance terms, i.e., S11(2090) and G17(2190), along with the D13(2080) and D15(2200), which are already considered in a previous theoretical analysis. The total and differential cross section are computed and we obtain quite precise results in comparison with the recent CLAS data.
Highlights
The first high-statistics experimental data for the reaction, γp → K∗+Λ, was reported by the CLAS Collaboration at the Thomas Jefferson National Accelerator Facility recently.[1]. This K∗Λ photoproduction, one of the strangeness meson and bonaarynocnesinnteearractthieonthmreeschhoalndisrmegsi,ocnan√sbe∼a2uGseefuVl, tool for the study of which is rarely done nucleon for the resKY. Channel because of their tendency to couple weakly to this channel as seen in the Particle Data Group.[2]
The K∗, K, and κ- exchanges in the t channel, This is an Open Access article published by World Scientific Publishing Company
The corresponding study and detailed results will appear elsewhere
Summary
The first high-statistics experimental data for the reaction, γp → K∗+Λ, was reported by the CLAS Collaboration at the Thomas Jefferson National Accelerator Facility recently.[1]. The K∗-, K-, and κ- exchanges in the t channel, This is an Open Access article published by World Scientific Publishing Company. Kim et al.[4] have done using the same model, but in addition to these Born terms, two additional nucleon resonances, D13(2080) and D15(2200), are considered near the threshold. The structures of Lagrangians and the values of coupling constants for ground state exchanges are given in Refs. The. Lagrangians of the resonance terms for electromagnetic part are given as follows: LγN S11. Re-use and distribution is strictly not permitted, except for Open Access articles.
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