Special Research Centre for the Subatomic Structure of Matter publications

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    Upper limits for a narrow resonance in the reaction p + p → Κ⁺ + (Λp)
    (American Physical Society, 2011) Budzanowski, A.;...; Sibirtsev, A.; ... et al.; HIRES Collaboration; School of Chemistry and Physics
    The reaction pp→K++(Λp) has been measured at Tp=1.953  GeV and Θ=0° with a high missing-mass resolution in order to study the Λp final state interaction. Narrow S=-1 resonances predicted by bag model calculations are not visible in the missing-mass spectrum. Small structures observed in a previous experiment are not confirmed. Upper limits for the production cross section of a narrow resonance are deduced for missing masses between 2058 and 2105 MeV.