First measurement of polarized spin-density matrix elements and differential cross sections dσ/dt in ω photoproduction off the proton for 2.7 < Eγ < 5.2 GeV using CLAS at Jefferson Lab

We report on the differential cross sections dσ/dt, the unpolarized spin-density matrix elements ρ000, ρ1−10, Re ρ100, and the first extraction of the polarized elements Im ρ103, Im ρ1−13 for the reaction γp → pω using the CLAS spectrometer at Jefferson Laboratory. The ω mesons were detected in thei...

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Hlavní autoři:	T. Hu, Z. Akbar, V. Crede, J.M. Laget, V. Mathieu, M.J. Amaryan, W.R. Armstrong, H. Atac, N.A. Baltzell, L. Barion, M. Battaglieri, I. Bedlinskiy, B. Benkel, F. Benmokhtar, A. Bianconi, L. Biondo, A. Biselli, M. Bondi, F. Bossù, S. Boiarinov, W.J. Briscoe, S. Bueltmann, D. Bulumulla, V.D. Burkert, R. Capobianco, D.S. Carman, J.C. Carvajal, A. Celentano, T. Chetry, G. Ciullo, G. Clash, P.L. Cole, M. Contalbrigo, G. Costantini, A. D’Angelo, N. Dashyan, R. De Vita, M. Defurne, A. Deur, S. Diehl, C. Djalali, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, L. Elouadrhiri, P. Eugenio, S. Fegan, A. Filippi, G. Gavalian, Y. Ghandilyan, G.P. Gilfoyle, F.X. Girod, A.A. Golubenko, G. Gosta, R.W. Gothe, K.A. Griffioen, M. Guidal, K. Hafidi, H. Hakobyan, M. Hattawy, T.B. Hayward, D. Heddle, A. Hobart, M. Holtrop, Y. Ilieva, D.G. Ireland, E.L. Isupov, D. Jenkins, H.S. Jo, K. Joo, S. Joosten, D. Keller, A. Khanal, M. Khandaker, A. Kim, W. Kim, F.J. Klein, V. Klimenko, A. Kripko, V. Kubarovsky, V. Lagerquist, L. Lanza, M. Leali, P. Lenisa, K. Livingston, I.J.D. MacGregor, D. Marchand, L. Marsicano, V. Mascagna, M.E. McCracken, B. McKinnon, Z.E. Meziani, S. Migliorati, R.G. Milner, T. Mineeva, M. Mirazita, V. Mokeev, C. Munoz Camacho, P. Nadel-Turonski, K. Neupane, J. Newton, S. Niccolai, M. Nicol, G. Niculescu, M. Osipenko, A.I. Ostrovidov, P. Pandey, M. Paolone, L.L. Pappalardo, R. Paremuzyan, E. Pasyuk, S.J. Paul, W. Phelps, N. Pilleux, O. Pogorelko, J.W. Price, Y. Prok, B.A. Raue, T. Reed, M. Ripani, J. Ritman, A. Rizzo, G. Rosner, F. Sabatié, C. Salgado, S. Schadmand, A. Schmidt, R.A. Schumacher, E.V. Shirokov, U. Shrestha, P. Simmerling, D. Sokhan, N. Sparveris, S. Stepanyan, I.I. Strakovsky, S. Strauch, R. Tyson, M. Ungaro, L. Venturelli, H. Voskanyan, A. Vossen, E. Voutier, D.P. Watts, X. Wei, M.H. Wood, B. Yale, M. Yurov, N. Zachariou, J. Zhang
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	Elsevier 2026-09-01
Edice:	Physics Letters B
Témata:	Meson production Light mesons Photoproduction reactions Spin-density matrix
On-line přístup:	http://www.sciencedirect.com/science/article/pii/S0370269326006969
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