First measurement of the helicity asymmetry E in η photoproduction on the proton

© 2016 Results are presented for the first measurement of the double-polarization helicity asymmetry E for the η photoproduction reaction γp→ηp. Data were obtained using the FROzen Spin Target (FROST) with the CLAS spectrometer in Hall B at Jefferson Lab, covering a range of center-of-mass energy W...

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Main Authors: Senderovich, I, Morrison, BT, Dugger, M, Ritchie, BG, Pasyuk, E, Tucker, R, Brock, J, Carlin, C, Keith, CD, Meekins, DG, Seely, ML, Rönchen, D, Döring, M, Collins, P, Adhikari, KP, Adikaram, D, Akbar, Z, Anderson, MD, Anefalos Pereira, S, Badui, RA, Ball, J, Baltzell, NA, Battaglieri, M, Batourine, V, Bedlinskiy, I, Biselli, AS, Boiarinov, S, Briscoe, WJ, Brooks, WK, Burkert, VD, Carman, DS, Celentano, A, Chandavar, S, Charles, G, Colaneri, L, Cole, PL, Contalbrigo, M, Cortes, O, Credé, V, D'Angelo, A, Dashyan, N, De Vita, R, De Sanctis, E, Deur, A, Djalali, C, Dupre, R, Egiyan, H, El Alaoui, A, El Fassi, L, Elouadrhiri, L, Eugenio, P, Fedotov, G, Fegan, S, Filippi, A, Fleming, JA, Fradi, A, Garillon, B, Ghandilyan, Y, Gilfoyle, GP, Giovanetti, KL, Girod, FX, Glazier, DI, Goetz, JT, Gohn, W, Golovatch, E, Gothe, RW, Griffioen, KA, Guidal, M, Guo, L, Hafidi, K, Hakobyan, H, Hanretty, C, Hattawy, M, Hicks, K, Ho, D, Holtrop, M, Hughes, SM, Ilieva, Y, Ireland, DG, Ishkhanov, BS, Jenkins, D, Jiang, H, Jo, HS, Joo, K, Joosten, S, Keller, D, Khachatryan, G, Khandaker, M, Kim, A, Klein, FJ, Kubarovsky, V, Kunkel, MC, Lenisa, P, Livingston, K, Lu, HY, MacGregor, IJD, Mattione, P, McKinnon, B, Meyer, CA, Mineeva, T
Format: Journal Article
Language:English
Published: 2016
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Online Access:http://hdl.handle.net/20.500.12613/5064
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