High yields of low-momentum pions were obtained from high-energy primary proton beams. The results are discussed, also with respect to the possibility of setting up cloud muon beams from the very lowmomentum poins produced by 10 GeV/c protons.
Data obtained with 30 cm long target.
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Data obtained with 30 cm long target.
Data from E.Zavattini, Proc. Conf. on Nuclear and Particle Physics at Intermediate Energies with Hadrons, Miramare ( Trieste), 1985, eds. T.Bressani and G.Pauli ( Italian Physical Socirty, Bologna, 1986) p.241. Data obtained with 1.27*1.27*7.62 cm**3 target.