Strangeness photoproduction experiments at SENDAI
2010
Abstract Photoproduction of the K 0 from the deuteron and the carbon nucleus has been investigated at the Laboratory of Nuclear Science, Tohoku University in Sendai. The Neutral Kaon Spectrometer and the Neutral Kaon Spectrometer 2 were developed to detect π + π − pairs coming from the decay of the K S 0 . The resulting K 0 momentum spectra for inclusive K 0 photoproduction were compared with theoretical calculations based on isobar models for γ + n → K 0 + Λ , utilizing the spectator hypothesis. An upgrade of the inner detectors to enhance the acceptance for the coincidence measurement of the K S 0 and Λ is underway. We expect that the exclusive and kinematically complete measurement of the reaction will provide us with direct access to the center-of-mass observables that are important for further understanding the mechanism for strangeness photoproduction.
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