5 years ago

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

Slawomir Wycech, Raffaele Del Grande, Kristian Piscicchia

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.

Publisher URL: http://arxiv.org/abs/1711.03427

DOI: arXiv:1711.03427v1

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