Prospects for measurements of parity-violating photoproduction of π±

  • J. W. Martin
  • W. K. Kellogg
Conference paper

Abstract

I address the experimental feasibility of two measurements related to the photoproduction of pions, in the context of the G0 experiment. The first involves an extraction of the parity-violating pionnucleon coupling constant h;π N N (1) via a measurement of parity-violating threshold pion photoproduction. The second involves an extraction of d Δ, which parameterizes parity-violating photoproduction of pions on the Δ-resonance. The second process might have an anomalously large asymmetry, from a model based on hyperon decays.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    B. Desplanques, J.F. Donohue, B.R. Holstein, Ann. Phys. 124, 449 (1980).ADSCrossRefGoogle Scholar
  2. 2.
    J.-W. Chen, X. Ji, Phys. Rev. Lett. 86, 4239 (2001).ADSCrossRefGoogle Scholar
  3. 3.
    JLab E-01–116, D.H. Beck, spokesperson, the G° Collaboration.Google Scholar
  4. 4.
    JLab E-01–115, S. Wells, N. Simicevic, spokespersons, the G° Collaboration.Google Scholar
  5. 5.
    S.-L. Zhu et al.,Phys. Rev. D 65, 033001 (2002).Google Scholar
  6. 6.
    S.-L. Zhu et al.,Phys. Rev. Lett. 87, 201802 (2001).Google Scholar
  7. 7.
    B. Borasoy, B.R. Holstein, Phys. Rev. D 59, 054019 (1999).Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • J. W. Martin
  • W. K. Kellogg
    • 1
  1. 1.Radiation Laboratory 106-38California Institute of TechnologyPasadenaUSA

Personalised recommendations