𝑋(1870) and 𝜂₂(1870): Which Can Be Assigned as a Hybrid State?

Figure 5

The functions of 𝛾(𝑝)=𝐴+𝐵exp(−𝐶𝑝²) in different decay processes. The symbols of red “●” and black “■” denote 𝛾 values determined by the experimental data.