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Prospects for measurements of parity-violating photoproduction of π±

Martin, J. W. (2003) Prospects for measurements of parity-violating photoproduction of π±. European Physical Journal A: Hadrons and Nuclei, 18 (2-3). pp. 425-427. ISSN 1434-6001. doi:10.1140/epja/i2002-10251-1.

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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.

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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.
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Subject Keywords:Large Asymmetry; Pion Photoproduction; Experimental Feasibility; Threshold Pion; Hyperon Decay
Issue or Number:2-3
Classification Code:PACS: 11.30.Er; 13.60.Le; 14.20.G
Record Number:CaltechAUTHORS:20200106-155809405
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Official Citation:Martin, J.W. Prospects for measurements of parity-violating photoproduction of π± . Eur. Phys. J. A 18, 425–427 (2003) doi:10.1140/epja/i2002-10251-1
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100533
Deposited By: Tony Diaz
Deposited On:08 Jan 2020 20:05
Last Modified:16 Nov 2021 17:54

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