We review the present status of the experimental and theoretical developments in the field of
strangeness in nuclei and neutron stars. We start by discussing the K ̄ N interaction, that is …

About 120 baryons and baryon resonances are known, from the abundant nucleon with u
and d light-quark constituents up to the Ξ b−=(bsd), which contains one quark of each …

Chiral perturbation theory and its unitarized versions have played an important role in our
understanding of the low-energy strong interaction. Yet, so far, such studies typically deal …

The interactions of D̄ Σ c-D̄ Λ c, D̄* Σ c-D̄* Λ c, and related strangeness channels, are
studied within the framework of the coupled-channel unitary approach with the local hidden …

For almost 50 years the structure of the Λ (1405) resonance has been a mystery. Even
though it contains a heavy strange quark and has odd parity, its mass is lower than any other …

Motivated by the Belle measurements of the process Λ c+→ η π+ Λ, we investigate this
process by considering the contributions from the Λ (1670), a 0 (980), and Σ (1385). In …

We study meson-baryon scattering with strangeness–1 in unitary chiral perturbation theory.
Ten coupled channels are considered in our work, namely, π 0 Λ, π 0 Σ 0, π− Σ+, π+ Σ−, K …

The strange quark plays a unique role in QCD, reflecting its intermediate mass between the
light and heavy quarks. In recent years, remarkable progress has been made in the …

The Kp→ π 0 π 0 Σ 0 reaction is studied within a chiral unitary model. The distribution of π 0
Σ 0 states forming the Λ (1405) shows, in agreement with a recent experiment, a peak at …

The strong Kp scattering length is extracted within chiral SU (3) unitary approaches from a
very large variety of fits to low-energy Kp scattering data. Very good overall agreement with …