First results on nucleon resonance photocouplings from the \(\gamma p \to \pi^+\pi^-p\) reaction

First results on nucleon resonance photocouplings from the \(\gamma p \to \pi^+\pi^-p\) reaction

We report the first experimental measurements of the nine 1-fold differential cross sections for the \(\gamma p \to \pi^+\pi^-p\) reaction, obtained with the CLAS detector at Jefferson Laboratory. The measurements cover the invariant mass range of the final state hadrons from 1.6~GeV~\(

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Veröffentlicht in:arXiv.org 2018-11
Hauptverfasser: Golovatch, E, Burkert, V D, Carman, D S, Gothe, R W, Hicks, K, Ishkhanov, B S, Mokeev, V I, Pasyuk, E, Adhikari, S, Akbar, Z, Amaryan, M J, Ball, J, Barion, L, Battaglieri, M, Bedlinskiy, I, Biselli, A S, Boiarinov, S, Briscoe, W J, Celentano, A, Chatagnon, P, Chetry, T, Ciullo, G, Clark, L, D'Angelo, A, Dashyan, N, De Vita, R, De Sanctis, E, Defurne, M, Deur, A, Diehl, S, Dugger, M, Dupre, R, Egiyan, H, A El Alaoui, Eugenio, P, Fersch, R, Filippi, A, Ghandilyan, Y, Gilfoyle, G P, Girod, F X, Guidal, M, Guo, L, Hafidi, K, Hakobyan, H, Harrison, N, Hattawy, M, Heddle, D, Holtrop, M, Ilieva, Y, Jo, H S, Johnston, S, Joo, K, Kabir, M L, Keller, D, Khachatryan, M, Khandaker, M, Kim, W, Klein, A, Klein, F J, Kubarovsky, V, Lanza, L, Lenisa, P, MacGregor, I J D, Marchand, D, Markov, N, McKinnon, B, Montgomery, R A, Movsisyan, A, C Munoz Camacho, Nadel-Turonski, P, Niccolai, S, Niculescu, G, Osipenko, M, Paolone, M, Paremuzyan, R, Park, K, Price, J W, Prok, Y, Protopopescu, D, Riser, D, Rizzo, A, Rosner, G, Sabatié, F, Salgado, C, Schumacher, R A, Smith, G D, Sober, D I, Sokhan, D, Sparveris, N, Strakovsky, I I, Taiuti, M, Tan, J A, Ungaro, M, Voutier, E, Wang, R, Wei, X, Wood, M H, Zachariou, N, Zhang, J, Zhao, Z W
Format: Artikel
Sprache:eng
Schlagworte:
Hadrons
Photoproduction
Pions
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Zusammenfassung:We report the first experimental measurements of the nine 1-fold differential cross sections for the \(\gamma p \to \pi^+\pi^-p\) reaction, obtained with the CLAS detector at Jefferson Laboratory. The measurements cover the invariant mass range of the final state hadrons from 1.6~GeV~\(
ISSN:2331-8422
DOI:10.48550/arxiv.1806.01767