The high-precision differential cross-section data for the reaction $\gamma p \to K^{*+}\Lambda$ are reanalyzed within a Regge-inspired effective Lagrangian approach. The model adopts Regge phenomenology to constrain the $t$-channel contributions from the $\kappa$, $K$, and $K^*$ exchanges. A minimal number of resonances in the $s$ channel are introduced in constructing the reaction amplitudes in order to describe the data. It is shown that the differential cross-section data for $\gamma p \to K^{*+}\Lambda$ can be satisfactorily described by introducing the only $N(2060){5/2}^-$ resonance in the $s$ channel, which is quite different from our earlier work performed in an effective Lagrangian approach [A. C. Wang {\it et al.}, Phys. Rev. C 96, 035206 (2017)], where the amplitudes are computed by evaluating Feynman diagrams and it is found that introducing at least one additional resonance apart from the $N(2060){5/2}^-$ is indispensable for reproducing the data. The roles of individual contributions from meson and baryon exchanges on the angular distributions are found to be highly model dependent. The extracted mass of $N(2060){5/2}^-$ turns out to be well determined, independent of how the $t$-channel amplitudes are constructed, whereas the width does not.

中文翻译：

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Reggeized 模型中的光产生 γp→K*+Λ

反应 $\gamma p \to K^{*+}\Lambda$ 的高精度微分横截面数据在受雷格启发的有效拉格朗日方法中重新分析。该模型采用 Regge 现象学来约束来自 $\kappa$、$K$ 和 $K^*$ 交换的 $t$-channel 贡献。为了描述数据，在构建反应幅度时引入了 $s$ 通道中的最小数量的共振。结果表明，通过引入唯一的 $N(2060){5/2}^-$ 共振，可以令人满意地描述 $\gamma p \to K^{*+}\Lambda$ 的微分截面数据。 $s$ 通道，这与我们早期以有效拉格朗日方法进行的工作完全不同 [AC Wang {\it et al.}, Phys. C 96, 035206 (2017)], 其中振幅是通过评估费曼图来计算的，并且发现除了 $N(2060){5/2}^-$ 之外，引入至少一个额外的共振对于再现数据是必不可少的。发现介子和重子交换对角分布的个人贡献的作用高度依赖于模型。$N(2060){5/2}^-$ 的提取质量被很好地确定，与 $t$-通道振幅的构造方式无关，而宽度则不然。