Photoproduction of Λ and Σ 0 hyperons using linearly polarized photons.

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Background: Measurements of polarization observables for the reactions →γp→K+Λ and →γp→K+Σ0 have been performed. This is part of a program of measurements designed to study the spectrum of baryon resonances in particular, and nonperturbative QCD in general. Purpose: The accurate measurement of several polarization observables provides tight constraints for phenomenological fits, which allow the study of strangeness in nucleon and nuclear systems. Beam-recoil observables for the →γp→K+Σ0 reaction have not been reported before now. Method: The measurements were carried out using linearly polarized photon beams incident on a liquid hydrogen target, and the CLAS detector at the Thomas Jefferson National Accelerator Facility. The energy range of the results is 1.71


Copyright 2016 American Physical Society

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Physical Review C

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Paterson, C. A., D. G. Ireland, K. Livingston, B. McKinnon, K. P. Adhikari, D. Adikaram, Z. Akbar, Biselli A. et al [CLAS Collaboration]. "Photoproduction of Λ and Σ 0 hyperons using linearly polarized photons." Physical Review C 93, no. 6 (2016): 065201. https://doi.org/10.1103/PhysRevC.93.065201