The NOMAD Experiment at CERN

Figure 11

Plot of𝑝_𝑇^intversus 𝛼 identifying the populations of strange particles (from [22]). Λ′s and Λ′s populate boxes I and II, respectively. The 𝐾^∘_𝑠 sample being symmetric is found in all boxes except box V. Photon conversions populate the small 𝑝_𝑇^int region.