11 research outputs found

    Model-independent aspects of the reaction Kˉ+N→K+Ξ\bar{K} + N \to K + \Xi

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    Various model-independent aspects of the KˉN→KΞ\bar{K} N \to K \Xi reaction are investigated, starting from the determination of the most general structure of the reaction amplitude for Ξ\Xi baryons with JP=12±J^P=\frac12^\pm and 32±\frac32^\pm and the observables that allow a complete determination of these amplitudes. Polarization observables are constructed in terms of spin-density matrix elements. Reflection symmetry about the reaction plane is exploited, in particular, to determine the parity of the produced Ξ\Xi in a model-independent way. In addition, extending the work of Biagi et al. [Z.Phys. C34,175(1987)]\mathrm{\textit{et al. } [Z. Phys.\ C \textbf{34}, 175 (1987)]}, a way is presented of determining simultaneously the spin and parity of the ground state of Ξ\Xi baryon as well as those of the excited Ξ\Xi states

    Analysis of antikaon-induced cascade production

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    In preparation for forthcoming experiments on multi-strangeness baryon production at JPARC, we analyze the general features of Ξ production in antikaon-induced reactions. A simple model is applied to this reaction; problems with retaining s-u symmetry are addressed with a generalized contact term. Existing data are reproduced and any hyperon resonance features are extracted

    Analysis of antikaon-induced cascade production

    No full text
    In preparation for forthcoming experiments on multi-strangeness baryon production at JPARC, we analyze the general features of Ξ production in antikaon-induced reactions. A simple model is applied to this reaction; problems with retaining s-u symmetry are addressed with a generalized contact term. Existing data are reproduced and any hyperon resonance features are extracted

    Analysis of antikaon-induced cascade production

    No full text
    In preparation for forthcoming experiments on multi-strangeness baryon production at JPARC, we analyze the general features of Ξ production in antikaon-induced reactions. A simple model is applied to this reaction; problems with retaining s-u symmetry are addressed with a generalized contact term. Existing data are reproduced and any hyperon resonance features are extracted
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