Ratios of helicity amplitudes for exclusive ρ 0 electroproduction on transversely polarized protons

Ratios of helicity amplitudes for exclusive ρ 0 electroproduction on transversely polarized protons

Exclusive ρ0-meson electroproduction is studied by the HERMES experiment, using the 27.6 GeV longitudinally polarized electron/positron beam of HERA and a transversely polarized hydrogen target, in the kinematic region 1.0 GeV2

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Veröffentlicht in:The European physical journal. C, Particles and fields Particles and fields, 2017-06, Vol.77 (6), p.1-23
Hauptverfasser: Airapetian, A, Akopov, N, Akopov, Z, Aschenauer, E C, Augustyniak, W, Belostotski, S, Blok, H P, Borissov, A, Bryzgalov, V, Capitani, G P, Ciullo, G, Contalbrigo, M, Deconinck, W, De Leo, R, De Sanctis, E, Düren, M, Elbakian, G, Ellinghaus, F, Felawka, L, Frullani, S, Garibaldi, F, Gavrilov, G, Gharibyan, V, Goloskokov, S V, Holler, Y, Ivanilov, A, Jackson, H E, Joosten, S, Kaiser, R, Karyan, G, Kisselev, A, Korotkov, V, Kozlov, V, Kravchenko, P, Kroll, P, Lagamba, L, Lapikás, L, Lehmann, I, Lenisa, P, Lorenzon, W, Manaenkov, S I, Marianski, B, Marukyan, H, Miyachi, Y, Movsisyan, A, Muccifora, V, Nass, A, W-D Nowak, Pappalardo, L L, Petrosyan, A, Reimer, P E, Reolon, A R, Riedl, C, Rith, K, Rosner, G, Rostomyan, A, Ryckbosch, D, Salomatin, Y, Schäfer, A, Schnell, G, Seitz, B, T-A Shibata, Shutov, V, Statera, M, Terkulov, A, Truty, R, Trzcinski, A, Tytgat, M, Y Van Haarlem, C Van Hulse, Veretennikov, D, Vikhrov, V, Vilardi, I, Yaschenko, S, Zihlmann, B, Zupranski, P
Format: Artikel
Sprache:eng
Schlagworte:
Accuracy
Amplitudes
Beams (radiation)
Form factors
Helicity
Particle production
Polarization
Positron beams
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Beschreibung
Zusammenfassung:Exclusive ρ0-meson electroproduction is studied by the HERMES experiment, using the 27.6 GeV longitudinally polarized electron/positron beam of HERA and a transversely polarized hydrogen target, in the kinematic region 1.0 GeV2
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-017-4899-1