Measurements have been made of the total charge-exchange cross section π − p to π 0 n over the laboratory kinetic energy range 90 to 290 MeV. The data have an absolute accuracy of typically 1%, and have here been used to determine the pion-nucleon P 13 phase shift.
QUADRATIC INTERPOLATION.
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Measurements have been made of the π ∓ proton total cross sections over the laboratory kinetic energy range 70 to 290 MeV. The absolute accuracy of the data is generally 0.5 %, but decreases to 1 % for some points where applied corrections are large or where low particle fluxes limit the statistical accuracy.
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This article reports the results of a spark-chamber measurement of the reactions K−+p→K¯0+neutrals and K−+p→Λ0+neutrals with an incident kaon momentum of 7.7 GeV/c. The production cross sections for these reactions are measured to be 800±50 μb and 188±18 μb, respectively. The cross-section distributions d2σdPIIdP⊥ in the center-of-mass system with large momentum transfer are discussed in terms of a fireball model of production.
Axis error includes +- 0.0/0.0 contribution (?////NEUTRAL DECAY MODES, ETC).
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