Few-Body Systems

, Volume 43, Issue 1–4, pp 227–232 | Cite as

Photoproduction and rescattering of polarized hyperons in deuterium

  • P. Nadel-Turoński
  • B. L. Berman
  • Y. Ilieva
  • D. G. Ireland
  • A. Tkabladze


Excited states of hadrons are essential for understanding confinement and non-perturbative QCD. Constituent quark models are successful in describing the first excited nucleon (N *) states in each partial wave, but predict more states than have been observed experimentally. Diquark correlations have been suggested as one explanation for these “missing” states. Recent advances in both theory (coupled-channels calculations) and experiment (high-statistics polarization measurements) offer new tools for resolving this question. The g13 experiment at Jefferson Lab, completed in June 2007, forms an important part of this effort. It used linearly and circularly polarized photons and a deuteron target to study N * states produced on the neutron, primarily through their decays into kaons and hyperons. The self-analyzing property of the Λ is ideally suited for this purpose. The general nature and exceptional size of the data set will, however, produce a wide range of results, including opening a new window on the study of hyperon-nucleon interactions through rescattering processes.


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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  • P. Nadel-Turoński
    • 1
    • 3
  • B. L. Berman
    • 1
  • Y. Ilieva
    • 1
  • D. G. Ireland
    • 2
  • A. Tkabladze
    • 1
    • 4
  1. 1.The George Washington UniversityWashingtonUSA
  2. 2.University of GlasgowGlasgowUnited Kingdom
  3. 3.The Catholic University of AmericaWashingtonUSA
  4. 4.Schlumberger-SPCSugar-LandUSA

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