Reactions $K^- p \to \Sigma^- \pi^+$ and $K^- p \to \Sigma^+ \pi^-$ in the Momentum Range From 220-{MeV}/c to 470-{MeV}/c

Bangerter, R.O. ; Alston-Garnjost, M. ; Barbaro-Galtieri, A. ; et al.
Phys.Rev.D 23 (1981) 1484, 1981.
Inspire Record 152277 DOI 10.17182/hepdata.24146

We present the analysis of 64 000 K−p→Σ−π+ and 89 000 K−p→Σ+π− events obtained with the Berkeley 25-in. hydrogen bubble chamber. Total cross sections and Legendre-polynomial expansion coefficients describing the differential cross sections and polarizations are presented in 10-MeV/c momentum intervals extending from 220 to 470 MeV/c. This paper completes the series devoted to all K−p final states in this momentum range.

4 data tables

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K- p Charge Exchange and Hyperon Production Cross-Sections from 860-MeV/c to 1000-MeV/c

Jones, M. ; Levi Setti, R. ; Merrill, D. ; et al.
Nucl.Phys.B 90 (1975) 349-383, 1975.
Inspire Record 91346 DOI 10.17182/hepdata.6742

The K − p reactions leading to charge exchange and hyperon final states have been studied at nine momenta between 862 and 1001 MeV/ c using data from a 600 000 picture exposure of the Lawrence Berkeley Laboratory 25″ liquid hydrogen bubble chamber. Partial cross sections are determined for all final states resolved by kinematic fitting. In addition, differential cross sections are presented for the two-body final states K o n , Λπ o and Σ +- π -+ along with hyperon polarization angular distributions for Λπ o and Σ + π − .

61 data tables

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Backward $K^- p$ Elastic Scattering and 0-degree $\Sigma^- \pi^+$ Production

Alston-Garnjost, M. ; Hamilton, R.P. ; Kenney, R.W. ; et al.
Phys.Rev.D 21 (1980) 1191-1205, 1980.
Inspire Record 131715 DOI 10.17182/hepdata.24193

In this paper we report measurements of the backward K−p differential cross section at 49 momenta covering the momentum range 476-1084 MeV/c. The statistical precision achieved, typically 2.5%, is an order of magnitude better than previous measurements. The systematic errors for this reaction are about 1%. The differential cross section for the reaction K−p→Σ−π+ where the π+ emerges at 0° has also been measured at 32 momenta with comparable improvement in precision over previous experiments. A partial-wave analysis of the K¯N channels including the new K−p backward elastic data is presented.

2 data tables

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