Transverse target single-spin asymmetry in inclusive electroproduction of charged pions and kaons

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Date
2014-01-20
Author
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.
Van Haarlem, Y.
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.
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Physics Letters B 728 : 183-190 (2014)
URI
http://hdl.handle.net/10810/17467
Abstract
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) 2013 The Authors. Published by Elsevier B.V. All rights reserved.
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