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Published November 2003 | public
Journal Article

Prospects for measurements of parity-violating photoproduction of π±

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 pion-nucleon coupling constant h^((1))_(πNN) via a measurement of parity-violating threshold pion photoproduction. The second involves an extraction of dΔ, 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.

Additional Information

© 2003 Societa Italiana di Fisica/Springer-Verlag. Received: 30 September 2002; Published online: 22 October 2003. The author would like to thank S.-L. Zhu, C. Maekawa, and M.J. Ramsey-Musolffor useful discussions, and R.D. McKeown for help in developing these ideas. This work was supported by NSF grant PHY-0071856.

Additional details

Created:
August 22, 2023
Modified:
October 18, 2023