Resonance production and phaseshifts in the pi(superscript +)pi(superscript -) system from the reaction pi(superscript +)n gives p pi(superscript +)pi(superscript -) at 6 GeV/c

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The reaction p + p leads to pi (superscript +) + d in the 425 Mev region

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Pi(superscript -)-p interactions at 225 Mev

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