We have studied production of π⁰ with transverse momentum between 2.0 and 4.4 GeV/c at 65 and 93^∘{} in the c.m. system in 300-GeV proton-nucleon collisions, by inserting foils of various thicknesses into a secondary beam and measuring the electron and positron spectra produced by γ conversion. The π⁰ invariant cross sections are given at 93 and 65^∘{}. We also report invariant cross sections for negatively charged hadrons as a function of transverse momentum.
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Appel et al. (1974) studied this question.
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