Measurement of ${\pi }^0\Lambda$, ${\bar{K}}^{0}n$, and ${\pi }^0{\Sigma }^0$ production in $K^{-}p$ interactions for $p_{K^{-}}$ between 514 and 750 MeV/$c$

Abstract

Differential cross sections and hyperon polarizations have been measured for ${\bar{K}}^{0}n$, ${\pi }^0\Lambda$, and ${\pi }^0{\Sigma }^0$ production in $K^{-}p$ interactions at eight $K^{-}$ momenta between 514 and 750 MeV/$c$. The experiment detected the multiphoton final states with the Crystal Ball spectrometer using a $K^{-}$ beam from the Alternating Gradient Synchrotron of BNL. The results provide significantly greater precision than the existing data, allowing a detailed reexamination of the excited hyperon states in our energy range.

Cited by in corpus (6)

• Dynamical coupled-channels model of $K^{-}p$ reactions (I): Determination of partial-wave amplitudes
• Analysis of the Crystal Ball data on $K^{-}p\to {\pi }^0{\Sigma }^0$ reaction with center-of-mass energies of $1536\sim 1676$ MeV
• $\Lambda$ and $\Sigma$ Excitations and the Quark Model
• The odd-parity strange baryons $\Sigma ({\frac{1}{2}}^{-})$ below 1.8 GeV with Hamiltonian effective field theory
• Analysis of ${\Sigma }^{\ast }$ via isospin selective reaction $K_{L}p\to {\pi }^{+}{\Sigma }^0$
• A possible interpretation of $\Lambda$ baryon spectrum with pentaquark components