The Strangeness Physics Program at CLAS
D.S. Carman (for the CLAS Collaboration)
TL;DR
This paper discusses the ongoing experimental program at CLAS to study strange particle production off protons, focusing on baryon resonances and high-precision measurements of cross sections and polarization observables using electron and photon beams.
Contribution
It presents new experimental data on strangeness photo- and electroproduction in the baryon resonance region, highlighting potential high-mass baryon resonances.
Findings
Indications of s-channel structures suggestive of high-mass baryon resonances.
High-precision measurements of cross sections and polarization observables.
Use of polarized electron and photon beams up to 6 GeV.
Abstract
An extensive program of strange particle production off the proton is currently underway with the CEBAF Large Acceptance Spectrometer (CLAS) in Hall B at Jefferson Laboratory. This talk will emphasize strangeness photo- and electroproduction in the baryon resonance region between W =1.6 and 2.5 GeV, where indications of s-channel structure are suggestive of high-mass baryon resonances coupling to kaons and hyperons in the final state. Precision measurements of cross sections and polarization observables are being carried out with both electron and real photon beams, both of which are available with high polarization at energies up to 6 GeV.
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