We have measured large-transverse-momentum (p⊥) inclusive π0 production at c.m. angles centered near 90° for π±p and pp interactions at 100 and 200 GeV/c. This is the first such measurement using a pion beam. The ratio σ(pp→π0X)σ(πp→π0X) decreases with increasing p⊥ and is independent of energy when expressed as a function of x⊥=p⊥pmax. We compare the data with predictions of various models.
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We have measured the cross section for the reaction π−p→π0+anything at an incident momentum of 5 GeV/c. The two γ rays from π0 decays were detected using a 150-element lead-glass hodoscope array. A comparison is given of the inclusive π0 spectrum from hydrogen (obtained through a subtraction of CH2 and C target data) with π0 production from C and Cu.
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