{"paper":{"title":"Proton Form Factor Ratio, $\\mu_p G_E^p/G_M^p$ from Double Spin Asymmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Ahmidouch, A. Asaturyan, A. Daniel, A. Deur, A. Liyanage, A.M. Davidenko, A. Mkrtchyan, A. Narayan, A.N. Vasiliev, A. Puckett, B. Davis, B. Sawatzky, C. Butuceanu, C. Chen, C. Ellis, C. Keppel, D. Crabb, D. Day, D. Dutta, D. Flay, D. Gaskell, D. Higinbotham, D. Kawama, D. Pocanic, E. Brash, E. Christy, E. Frlez, F. Wesselmann, G.M. Huber, G. Smith, H. Baghdasaryan, H. Kang, H-K. Kang, H. Mkrtchyan, H. Yao, I. Albayrak, J. Dunne, J. German, J. Gomez, J. Maxwell, J. Mulholland, J-P. Chen, J. Reinhold, J. Roche, K. Kovacs, K. Slifer, L. El Fassi, L.F. Soloviev, L. Ndukum, L. Pentchev, L. Tang, L. Zhu, M. Bychkov, M. Elaasar, M. Jones, M. Khandaker, M.K. Jones, M. Kohl, M. Posik, M. Shabestari, M. Veilleux, N. Kalantarians, N. Liyanage, Nuruzzaman, O.A. Rondo'n, O. Ates, O. Geagla, O. Hashimoto, P. Bosted, P. Carter, P. Markowitz, P.M. King, P. Monaghan, P. Solvignon, R. Ent, R. Gilman, S.A. Wood, S. Choi, S. Covrig, S. Danagoulian, S.N. Nakamura, S. Riordan, T. Gogami, T. Horn, T. Maruta, T. Walton, V. Kubarovsky, V. Mamyan, V. Tadevosyan, V.V. Mochalov, W. Armstrong, W. Boeglin, W. Deconinck, X. Qiu, Y. Kim, Y. Li, Y.M. Goncharenko, Y.M. Melnik, Z-E. Meziani, Z. Ye","submitted_at":"2018-06-28T19:39:46Z","abstract_excerpt":"The ratio of the electric and magnetic form factor of the proton, $\\mu_p G_E^p/G_M^p$, has been measured for elastic electron-proton scattering with polarized beam and target up to four-momentum transfer squared, $Q^2=5.66$ (GeV/c)$^2$ using the double spin asymmetry for target spin orientation aligned nearly perpendicular to the beam momentum direction.\n  This measurement of $\\mu_p G_E^p/G_M^p$ agrees with the $Q^2$ dependence of previous recoil polarization data and reconfirms the discrepancy at high $Q^2$ between the Rosenbluth and the polarization-transfer method with a different measureme"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.11156","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1806.11156/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}