{"paper":{"title":"Extraction of beam-spin asymmetries from the hard exclusive $\\pi^{+}$ channel off protons in a wide range of kinematics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","hep-ph"],"primary_cat":"nucl-ex","authors_text":"A. Bianconi, A. Celentano, A. D'Angelo, A. Deur, A. El Alaoui, A. Filippi, A. Khanal, A. Kim, A. Rizzo, A.S. Biselli, A. Schmidt, B.A. Raue, B. McKinnon, B.S. Ishkhanov, C. Dilks, C. Djalali, C. Munoz Camacho, C. Salgado, C.W. Kim, D. Bulumulla, D.G. Ireland, D. Heddle, D.I. Glazier, D. Jenkins, D. Keller, D. Marchand, D.P. Watts, D. Riser, D.S. Carman, E. Golovatch, E.L. Isupov, E. Pasyuk, E. Voutier, F. Benmokhtar, F. Boss`u, F. Sabatie, F.X. Girod, G. Angelini, G. Asryan, G. Ciullo, G. Niculescu, G.P. Gilfoyle, H. Atac, H. Avakian, H. Egiyan, H. Hakobyan, H.S. Jo, H. Voskanyan, I. Bedlinskiy, I.I. Strakovsky, I.J.D. MacGregor, J.A. Tan, J.C. Carvajal, J. Rowley, J.W. Price, J. Zhang, K.A. Griffioen, K. Hicks, K. Joo, K.L. Giovanetti, K. Livingston, K.P. Adhikari, K. Park, K. Semenov-Tian-Shansky, K. Tezgin, L. Barion, L. Clark, L. El Fassi, L. Guo, L. Lanza, L.L. Pappalardo, L. Marsicano, L. Venturelli, M. Battaglieri, M. Contalbrigo, M. Defurne, M. Ehrhart, M. Guidal, M. Hattawy, M. Holtrop, M.H. Wood, M.J. Amaryan, M. Khachatryan, M. Khandaker, M. Leali, M. Mirazita, M. Osipenko, M. Paolone, M. Ripani, M. Ungaro, N. Dashyan, N. Harrison, N. Markov, N. Sparveris, N. Tyler, N. Zachariou, O. Pogorelko, O. Soto, P. Chatagnon, P. Eugenio, P. Kroll, P.L. Cole, P. Lenisa, P. Nadel-Turonski, P. Rossi, P. Stoler, R.A. Schumacher, R. De Vita, R. Dupre, R.W. Gothe, S. Adhikari, S. Boiarinov, S. Diehl, S.E. Kuhn, S. Joosten, S. Stepanyan, S. Strauch, T.A. Forest, T.B. Hayward, T. Chetry, T. Mineeva, U. Shrestha, V. Crede, V.D. Burkert, V. Kubarovsky, V. Mascagna, V. Mokeev, W.J. Briscoe, W.K. Brooks, W. Kim, W. Phelps, X. Wei, Y. Ghandilyan, Y.G. Sharabian, Y. Ilieva, Y. Prok, Z.E. Meziani, Z.W. Zhao (the CLAS Collaboration)","submitted_at":"2020-07-30T18:15:43Z","abstract_excerpt":"We have measured beam-spin asymmetries to extract the $\\sin\\phi$ moment $A_{LU}^{\\sin\\phi}$ from the hard exclusive $\\vec{e} p \\to e^\\prime n \\pi^+$ reaction above the resonance region, for the first time with nearly full coverage from forward to backward angles in the center-of-mass. The $A_{LU}^{\\sin\\phi}$ moment has been measured up to 6.6 GeV$^{2}$ in $-t$, covering the kinematic regimes of Generalized Parton Distributions (GPD) and baryon-to-meson Transition Distribution Amplitudes (TDA) at the same time. The experimental results in very forward kinematics demonstrate the sensitivity to c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.15677","kind":"arxiv","version":1},"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/2007.15677/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"}