PSEUDOSCALAR MESON PRODUCTION USING THE CRYSTAL BALL
Abstract
The Crystal Ball Spectrometer was used at Brookhaven National Laboratory in a series of experiments which study all neutral final states of π-p and K-p induced reactions. We report about the experimental program and new results for the radiative capture reactions π-p → γn and K-p → γΛ, charge exchange π-p → π°n, two π° production π-p → π° π°n, and η production π-p → ηn reactions. Data have also been obtained on the decays of N*, Δ, Λ, and Σ resonances. Threshold η production has been studied in detail for both π-p and K-p. Sequential resonance decays have been investigated by studying the 2π° production mechanism both in the fundamental interaction and in nuclei.
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