Publication Title

Physical Review C

Publication Date

1-2009

Document Type

Article

DOI

10.1103/PhysRevC.79.015203

Keywords

total cross section, K−p→Σ0γ between 514 and 750 MeV/c

Disciplines

Physics

Abstract

We report the first measurements of the total cross section of the reaction K−p→Σ0γ at eight beam momenta from 514 to 750 MeV/c. The data were obtained at the Alternating Gradient Synchrotron (AGS) at Brookhaven National Laboratory using the Crystal Ball detector consisting of 672 NaI crystals. All charged particles were vetoed by a barrel of plastic scintillators, resulting in a study of only the neutral decays of the Σ0. The prompt photon and the photons from the decay products of Σ0 were detected for each reconstructed event; the neutron was also detected in a small fraction of the events.


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