Measurement of the Parity-Violating Asymmetry in Electron-Deuteron Scattering in the Nucleon Resonance Region

D. Wang , K. Pan , R. Subedi , X. Deng , Z. Ahmed , K. Allada , K. A. Aniol , D. S. Armstrong

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J. Arrington V. Bellini R. Beminiwattha J. Benesch F. Benmokhtar A. Camsonne M. Canan G. D. Cates J.-P. Chen E. Chudakov E. Cisbani M. M. Dalton C. W. de Jager R. De Leo W. Deconinck A. Deur C. Dutta L. El Fassi D. Flay G. B. Franklin M. Friend S. Frullani F. Garibaldi A. Giusa A. Glamazdin S. Golge K. Grimm K. Hafidi O. Hansen D. W. Higinbotham R. Holmes T. Holmstrom R. J. Holt J. Huang C. E. Hyde C. M. Jen D. Jones H. Kang P. King S. Kowalski K. S. Kumar J. H. Lee J. J. Lerose N. Liyanage E. Long D. McNulty D. J. Margaziotis F. Meddi D. G. Meekins L. Mercado Z.-E. Meziani R. Michaels M. Mihovilovic N. Muangma K. E. Myers S. Nanda A. Narayan V. Nelyubin Nuruzzaman Y. Oh D. Parno K. D. Paschke S. K. Phillips X. Qian Y. Qiang B. Quinn A. Rakhman P. E. Reimer K. Rider S. Riordan J. Roche J. Rubin G. Russo K. Saenboonruang A. Saha B. Sawatzky A. Shahinyan R. Silwal S. Sirca P. A. Souder R. Suleiman V. Sulkosky C. M. Sutera W. A. Tobias G. M. Urciuoli B. Waidyawansa B. Wojtsekhowski L. Ye B. Zhao X. Zheng

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keywords parity-violatingnucleonregionresonancescatteringasymmetrygammaresults

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We report on parity-violating asymmetries in the nucleon resonance region measured using $5 - 6$ GeV longitudinally polarized electrons scattering off an unpolarized deuterium target. These results are the first parity-violating asymmetry data in the resonance region beyond the $\Delta(1232)$, and provide a verification of quark-hadron duality in the nucleon electroweak $\gamma Z$ interference structure functions at the (10-15)% level. The results are of particular interest to models relevant for calculating the $\gamma Z$ box-diagram corrections to elastic parity-violating electron scattering measurements.

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Measurement of the Parity-Violating Asymmetry in Electron-Deuteron Scattering in the Nucleon Resonance Region

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