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000877412 0881_ $$aJuel-Spez-0526
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000877412 1001_ $$0P:(DE-HGF)0$$aLohse, Detlef$$b0$$eCorresponding author
000877412 245__ $$aPion-Pion- und Pion-Kaon-Wechselwirkung im Mesonaustauschbild 
000877412 260__ $$aJülich$$bKernforschungsanlage Jülich GmbH Zentralbibliothek, Verlag$$c1989
000877412 300__ $$a173 S.
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000877412 4900_ $$aSpezielle Berichte der Kernforschungsanlage Jülich$$v526
000877412 520__ $$aFollowing the general line of the Bonn NN-interaction, a model for pseudoscalarpseudoscalarmeson interaction has been constructed and applied consistently to$\pi \pi$ and K$\pi$ scattering. The phases can be reproduced with vector meson t- ands-channel exchange up to 1 GeV. The bare masses of the vector mesons turn outto be in the range of 1.1 Ge V, depending on the form factor. We use a coupledchannel formalism, which is crucial to explain the S*(975) resonance as a boundK K state. Beyond 1 Ge V the data require a pseudoscalar-pseudoscalar coupling toa scalar octet (J$^{P}$ = 0$^{+}$) to fit the s-wave phases in the isospin-0 $\pi \pi$ and isospin-$\frac{1}{2}$K $\pi$ channels. We apply both scalar coupling and derivative coupling. The latteravoids introducing additional degrees of freedom and produces an acceptable fitto the J =0 phase shift data.
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