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Subleading corrections to parity-violating pion photoproduction

Zhu, Shi-Lin and Puglia, S. and Holstein, B. R. and Ramsey-Musolf, M. J. (2001) Subleading corrections to parity-violating pion photoproduction. Physical Review C, 64 (3). Art. No. 035502. ISSN 2470-0010.

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We compute the photon asymmetry Bγ for near threshold parity-violating (PV) pion photoproduction through subleading order. We show that subleading contributions involve a new combination of PV couplings not included in previous analyses of hadronic PV. We argue that existing constraints on the leading order contribution to Bγ—obtained from the PV γ-decay of 18F—suggest that the impact of the subleading contributions may be more significant than expected from naturalness arguments.

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Ramsey-Musolf, M. J.0000-0001-8110-2479
Additional Information:© 2001 The American Physical Society Received 22 March 2001; published 2 August 2001 We thank J.-W. Chen, X. Ji, and J.L. Friar for several helpful conversations. This work was supported in part under U.S. Department of Energy Contract Nos. DE-AC05-84ER40150 and DE-FG02-00ER41146, the National Science Foundation, and a National Science Foundation Young Investigator Grant.
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Department of Energy (DOE)DE-AC05-84ER40150
Department of Energy (DOE)DE-FG02-00ER41146
Issue or Number:3
Record Number:CaltechAUTHORS:ZHUprc01
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2821
Deposited By: Archive Administrator
Deposited On:28 Apr 2006
Last Modified:02 Oct 2019 22:57

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