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arXiv · 1711.03427

Formation of $\Sigma \pi$ pairs in nuclear captures of K$^-$ mesons

Raffaele Del Grande·Kristian Piscicchia·Slawomir Wycech
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Abstract

The capture of K$^-$ mesons on nucleons bound in nuclei offer a chance to study the $\Sigma \pi$ pairs below the kinematic threshold of the $\bar{\mathrm{K}}$N systems. Various hyperon-pion charged combination are presently under investigation by AMADEUS. These data allow to test both isospin 0 and 1 amplitudes giving the possibility to detect the structure of resonant $\Lambda$(1405) state. Contrasted against similar electro-production data, it is possible to detect changes of $\Lambda$(1405) in nuclear media. Expected spectra and their uncertainties are calculated.

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Raffaele Del Grande, Kristian Piscicchia, Slawomir Wycech. 2017-11-09. Formation of $\Sigma \pi$ pairs in nuclear captures of K$^-$ mesons. https://doi.org/10.5506/aphyspolb.48.1881

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