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$\Kbar N$ interactions are investigated {\it via} an effective non-linearchiral meson-baryon Lagrangian. The adjustable parameters are determined by afitting procedure on the $K^-p$ threshold branching ratios and totalcross-section data for $p^{lab}_K\le$ 250 MeV/c. We produce predictions for the$\Sigma \pi$ mass spectrum, and scattering lenghts $a_{K^-p}$, $a_n(K^-n \toK^-n)$, $a_n0(\Kbar0 n \to \Kbar0 n)$, and $a_{ex}(K^-p \to \Kbar0 n)$. The$\Kbar N$ amplitudes thus obtained, as well as those for other two-bodychannels ($\pi N$, $NN$, and $YN$) are used as input to predict the scatteringlength $A_{K^-d}$, for which we have devised a relativistic version of thethree-body Faddeev equations. Results for all two- and three-body coupledchannels are reported both in isospin and particle bases. All available $\KbarN$ data are well reproduced and our best results for the $K^-p$ and $K^-d$scattering lenghts are $a_{K^-p} = (-0.90 + i 0.87) fm$ and $A_{K^-d} = (-1.80+ i 1.55) fm$.Comment: 31 pages, submitted to Phys. Rev.

physical review. c. nuclear physics/physical review. c, nuclear physics

Low energy<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mover accent="true"><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mo stretchy="false">¯</mml:mo></mml:mover><mml:mi>N</mml:mi></mml:mrow></mml:math>interactions and Faddeev calculation of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mi>K</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mi>d</mml:mi></mml:mrow></mml:math>scattering length in isospin …

Low energyK¯Ninteractions and Faddeev calculation of theK−dscattering length in isospin …