Transverse target single-spin asymmetry in inclusive electroproduction of charged pions and kaons
- Airapetian, A.
- Akopov, N.
- Akopov, Z.
- Aschenauer, E.C.
- Augustynia, W.
- Avakian, R.
- Avetissian, A.
- Avetisyan, E.
- Belostotski, S.
- Bianchi, N.
- Blok, H.P.
- Borissov, A.
- Bowles, J.
- Bryzgalov, V.
- Burns, J.
- Capiluppi, M.
- Capitani, G.P.
- Cisbani, E.
- Ciullo, G.
- Contalbrigo, M.
- Dalpiaz, P.F.
- Deconinck, W.
- De Leo, R.
- De Nardo, L.
- De Sanctis, E.
- Diefenthaler, M.
- Di Nezza, P.
- Dürenn, M.
- Ehrenfried, M.
- Elbakian, G.
- Ellinghaus, F.
- Fabbri, R.
- Fantoni, A.
- Felawka, L.
- Frullani, S.
- Gabberth, D.
- Gapienko, G.
- Gapienko, V.
- Gavrilov, G.
- Gharibyan, V.
- Giordano, F.
- Gliske, S.
- Golembiovskaya, M.
- Hadjidakis, C.
- Hartig, M.
- Hasch, D.
- Hillenbrand, A.
- Hoek, M.
- Holler, Y.
- Hristova, I.
- Ivanilov, A.
- Jackson, H.E.
- Joosten, S.
- Kaiser, R.
- Karyan, G.
- Keri, T.
- Kinney, E.
- Kisselev, A.
- Korotkov, V.
- Kozlov, V.
- Kravchenko, P.
- Krivokhijine, V.G.
- Lagamba, L.
- Lapikás, L.
- Lehmann, I.
- Lenisa, P.
- López Ruiz, A.
- Lorenzon, W.
- Ma, B.-Q.
- Mahon, D.
- Makins, N.C.R.
- Manaenkov, S.I.
- Mao, Y.
- Marianski, B.
- Martínez de la Ossa, A.
- Marukyan, H.
- Miller, C.A.
- Miyachi, Y.
- Movsisyan, A.
- Murray, M.
- Mussgiller, A.
- Nappi, E.
- Naryshkin, Y.
- Negodaev, M.
- Nowak, W.-D.
- Pappalardo, L.L.
- Perez-Benito, R.
- Petrosyan, A.
- Raithel, M.
- Reimer, P.E.
- Reolon, A.R.
- Riedl, C.
- Rith, K.
- Rosner, G.
- Rostomyan, A.
- Rubin, J.
- Ryckbosch, D.
- Salomatin, Y.
- Sanftl, F.
- Schäferv, A.
- Schnell, Gunar
- Seitz, B.
- Shibata, T.-A.
- Shutov, V.
- Stancari, M.
- Statera, M.
- Steffens, E.
- Steijger, J.J.M.
- Stewart, J.
- Stinzing, F.
- Taroian, S.
- Terkulov, A.
- Truty, R.
- Trzcinski, A.
- Tytgat, M.
- Y. Van Haarlem
- Van Hulse, Charlotte Barbara
- Veretennikov, D.
- Vikhrov, V.
- Vilardi, I.
- Wang, S.
- Yaschenko, S.
- Ye, Z.
- Yen, S.
- Yu, W.
- Zagrebelnyy, V.
- Zeiler, D.
- Zihlmann, V.
- Zupranski, P.
DOIAbstract
Single-spin asymmetries were investigated in inclusive electroproduction of charged pions and kaons from transversely polarized protons at the HERMES experiment. The asymmetries were studied as a function of the azimuthal angle psi about the beam direction between the target-spin direction and the hadron production plane, the transverse hadron momentum P-T relative to the direction of the incident beam, and the Feynman variable x(F). The sin psi* amplitudes are positive for pi(+) and K+ slightly negative for pi(-) and consistent with zero for K-, with particular P-T but weak x(F) dependences. Especially large asymmetries are observed for two small subsamples of events, where also the scattered electron was recorded by the spectrometer. (C) ...
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