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

  • CLAS Collaboration
  • Ohio University
  • Idaho State University
  • University of Edinburgh
  • University of South Carolina
  • Thomas Jefferson National Accelerator Facility
  • University of Bonn
  • Petersburg Nuclear Physics Institute
  • Mississippi State University
  • Florida International University
  • Florida State University
  • National Institute for Nuclear Physics
  • Kyungpook National University
  • Alikhanov Institute for Theoretical and Experimental Physics
  • Fairfield University
  • Rensselaer Polytechnic Institute
  • George Washington University
  • Universidad Técnica Federico Santa Maria
  • University of Connecticut
  • Hampton University
  • Old Dominion University
  • University of Ferrara
  • University of Glasgow
  • University of Rome Tor Vergata
  • A. Alikhanian Yerevan Institute of Physics
  • CNRS/IN2P3
  • University of New Hampshire
  • Argonne National Laboratory
  • Lomonosov Moscow State University

Research output: Contribution to journalArticlepeer-review

31 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
Article number065201
JournalPhysical Review C
Volume96
Issue number6
DOIs
StatePublished - 4 Dec 2017

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