Abstract
The CLAS collaboration and the CBELSA/TAPS collaboration reported the differential cross section data for K*0 photoproduction, and found that the t-channel K exchange dominates the production amplitudes at small scattering angles. The measurement of forward-angle parity spin asymmetry for the γ p → K*0Σ+ reaction, where the theoretical calculations show an unambiguous signal, would establish the role of the κ(800). The γ p → K*0Σ+ reaction, where the Σ+ was identified through missing mass, on a liquid hydrogen target was measured at the LEPS detector in the energy from threshold to 3.0 GeV by using a linearly polarized photon beam at SPring-8. Decay angular distributions in the rest frame of the K + π − system were fit to extract spin-density matrix elements of the K*0 decay.
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Hwang, S., Ahn, J.K., Hicks, K. et al. K*0Σ+ Photoproduction from Threshold to 3.0 GeV. Few-Body Syst 54, 265–269 (2013). https://doi.org/10.1007/s00601-012-0344-z
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DOI: https://doi.org/10.1007/s00601-012-0344-z