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Mineeva, Taisiya
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Nombre
Mineeva, Taisiya
Departamento
Campus / Sede
Campus Casa Central Valparaíso
Email
ORCID
Scopus Author ID
26023453000
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- PublicationMeasurement 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. ;Akbar, Z. ;Park, S. ;Crede, V. ;Anisovich, A. V. ;Denisenko, I. ;Klempt, E. ;Nikonov, V. A. ;Sarantsev, A. V. ;Adhikari, K. P. ;Adhikari, S. ;Anefalos Pereira, S. ;Ball, J. ;Balossino, I. ;Bashkanov, M. ;Battaglieri, M. ;Batourine, V. ;Bedlinskiy, I. ;Biselli, A. S. ;Boiarinov, S. ;Briscoe, W. J. ;Brock, J.; ;Burkert, V. D. ;Carlin, C. ;Carman, D. S. ;Celentano, A. ;Charles, G. ;Chetry, T. ;Ciullo, G. ;Clary, B. A. ;Cole, P. L. ;Contalbrigo, M. ;D'Angelo, A. ;Dashyan, N. ;De Vita, R. ;Deur, A. ;Djalali, C. ;Dugger, M. ;Dupre, R.; ;El Fassi, L. ;Elouadrhiri, L. ;Eugenio, P. ;Fedotov, G. ;Fegan, S. ;Filippi, A. ;Fradi, A. ;Gavalian, G. ;Gevorgyan, N. ;Gilfoyle, G. P. ;Giovanetti, K. L. ;Girod, F. X. ;Gleason, C. ;Gohn, W. ;Golovatch, E. ;Gothe, R. W. ;Griffioen, K. A. ;Guidal, M. ;Guo, L. ;Hafidi, K.; ;Hanretty, C. ;Hattawy, M. ;Hicks, K. ;Holtrop, M. ;Ilieva, Y. ;Ireland, D. G. ;Ishkhanov, B. S. ;Isupov, E. L. ;Jenkins, D. ;Joo, K. ;Joosten, S. ;Keith, C. D. ;Keller, D. ;Khachatryan, G. ;Khandaker, M. ;Kim, A. ;Kim, W. ;Klein, A. ;Klein, F. J. ;Kubarovsky, V.; ;Lanza, L. ;Lenisa, P. ;Livingston, K. ;Lu, H. Y. ;Macgregor, I. J.D. ;Markov, N. ;Mayer, M. ;McCracken, M. E. ;McKinnon, B. ;Meekins, D. G. ;Meyer, C. A. ;Meziani, Z. E.; ;Mokeev, V. ;Montgomery, R. A. ;Movsisyan, A.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.