Mineeva, Taisiya

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Mineeva, Taisiya
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Campus Casa Central Valparaíso
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26023453000

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    Publication
    Measurement of the beam asymmetry Σ and the target asymmetry T in the photoproduction of ω mesons off the proton using CLAS at Jefferson Laboratory
    (2018-05-04)
    Roy, P.
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    Akbar, Z.
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    Park, S.
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    Crede, V.
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    Anisovich, A. V.
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    Denisenko, I.
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    Klempt, E.
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    Nikonov, V. A.
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    Sarantsev, A. V.
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    Adhikari, K. P.
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    Adhikari, S.
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    Anefalos Pereira, S.
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    Ball, J.
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    Balossino, I.
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    Bashkanov, M.
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    Battaglieri, M.
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    Batourine, V.
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    Bedlinskiy, I.
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    Biselli, A. S.
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    Boiarinov, S.
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    Briscoe, W. J.
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    Brock, J.
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    Brooks, William K.
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    Burkert, V. D.
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    Carlin, C.
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    Carman, D. S.
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    Celentano, A.
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    Charles, G.
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    Chetry, T.
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    Ciullo, G.
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    Clary, B. A.
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    Cole, P. L.
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    Contalbrigo, M.
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    D'Angelo, A.
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    Dashyan, N.
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    De Vita, R.
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    Deur, A.
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    Djalali, C.
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    Dugger, M.
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    Dupre, R.
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    My Ahmed , El Alaoui
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    El Fassi, L.
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    Elouadrhiri, L.
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    Eugenio, P.
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    Fedotov, G.
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    Fegan, S.
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    Filippi, A.
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    Fradi, A.
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    Gavalian, G.
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    Gevorgyan, N.
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    Gilfoyle, G. P.
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    Giovanetti, K. L.
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    Girod, F. X.
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    Gleason, C.
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    Gohn, W.
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    Golovatch, E.
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    Gothe, R. W.
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    Griffioen, K. A.
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    Guidal, M.
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    Guo, L.
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    Hafidi, K.
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    Hakobyan, Hayk
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    Hanretty, C.
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    Hattawy, M.
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    Hicks, K.
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    Holtrop, M.
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    Ilieva, Y.
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    Ireland, D. G.
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    Ishkhanov, B. S.
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    Isupov, E. L.
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    Jenkins, D.
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    Joo, K.
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    Joosten, S.
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    Keith, C. D.
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    Keller, D.
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    Khachatryan, G.
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    Khandaker, M.
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    Kim, A.
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    Kim, W.
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    Klein, A.
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    Klein, F. J.
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    Kubarovsky, V.
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    Kuleshov, Sergey
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    Lanza, L.
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    Lenisa, P.
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    Livingston, K.
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    Lu, H. Y.
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    Macgregor, I. J.D.
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    Markov, N.
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    Mayer, M.
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    McCracken, M. E.
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    McKinnon, B.
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    Meekins, D. G.
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    Meyer, C. A.
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    Meziani, Z. E.
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    Mineeva, Taisiya
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    Mokeev, V.
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    Montgomery, R. A.
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    Movsisyan, A.
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    Munoz Camacho, C.
    The photoproduction of ω mesons off the proton has been studied in the reaction γp → p ω using the CEBAF Large Acceptance Spectrometer (CLAS) and the frozen-spin target in Hall B at the Thomas Jefferson National Accelerator Facility. For the first time, the target asymmetry T has been measured in photoproduction from the decay ω → π+π−π0, using a transversely polarized target with energies ranging from just above the reaction threshold up to 2.8 GeV. Significant nonzero values are observed for these asymmetries, reaching about 30–40% in the third-resonance region. New measurements for the photon-beam asymmetry are also presented, which agree well with previous CLAS results and extend the world database up to 2.1 GeV. These data and additional ω photoproduction observables from CLAS were included in a partial-wave analysis within the Bonn-Gatchina framework. Significant contributions from s-channel resonance production were found in addition to t-channel exchange processes.
    Scopus© Citations 9