Measurement of the differential and total cross sections of the γd→K0 Λ(p) reaction within the resonance region

CLAS Collaboration

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16 Scopus citations

Abstract

We report the first measurement of differential and total cross sections for the γd→K0Λ(p) reaction, using data from the CLAS detector at the Thomas Jefferson National Accelerator Facility. Data collected during two separate experimental runs were studied with photon-energy coverage 0.8-3.6 GeV and 0.5- 2.6 GeV, respectively. The two measurements are consistent giving confidence in the method and determination of systematic uncertainties. The cross sections are compared with predictions from the KAON-MAID theoretical model (without kaon exchange), which deviate from the data at higher W and at forward kaon angles. These data, along with previously published cross sections for K+Λ photoproduction, provide essential constraints on the nucleon resonance spectrum. A first partial wave analysis was performed that describes the data without the introduction of new resonances.

Original languageEnglish (US)
Article number065201
JournalPhysical Review C
Volume96
Issue number6
DOIs
StatePublished - Dec 4 2017

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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