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. 2013 Aug 23;111(8):082501.
doi: 10.1103/PhysRevLett.111.082501. Epub 2013 Aug 22.

Measurements of parity-violating asymmetries in electron-deuteron scattering in the nucleon resonance region

D Wang  1 , K Pan, R Subedi, X Deng, Z Ahmed, K Allada, K A Aniol, D S Armstrong, 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; Jefferson Lab Hall A Collaboration
Affiliations

Measurements of parity-violating asymmetries in electron-deuteron scattering in the nucleon resonance region

D Wang et al. Phys Rev Lett. .

Abstract

We report on parity-violating asymmetries in the nucleon resonance region measured using inclusive inelastic scattering of 5-6 GeV longitudinally polarized electrons off an unpolarized deuterium target. These results are the first parity-violating asymmetry data in the resonance region beyond the Δ(1232). They provide a verification of quark-hadron duality-the equivalence of the quark- and hadron-based pictures of the nucleon-at the (10-15)% level in this electroweak observable, which is dominated by contributions from the nucleon electroweak γZ interference structure functions. In addition, the results provide constraints on nucleon resonance models relevant for calculating background corrections to elastic parity-violating electron scattering measurements.

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