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26 April 2024

» arxiv » 1903.8544

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Beam-helicity asymmetries for single-hadron production in semi-inclusive deep-inelastic scattering from unpolarized hydrogen and deuterium targets
HERMES Collaboration ; A. Airapetian ; N. Akopov ; Z. Akopov ; E.C. Aschenauer ; W. Augustyniak ; S. Belostotski ; H.P. Blok ; V. Bryzgalov ; G.P. Capitani ; E. Cisbani ; G. Ciullo ; M. Contalbrigo ; W. Deconinck ; E. De Sanctis ; M. Diefenthaler ; P. Di Nezza ; M. Düren ; G. Elbakian ; F. Ellinghaus ; L. Felawka ; G. Gapienko ; F. Garibaldi ; G. Gavrilov ; V. Gharibyan ; A. Hillenbrand ; Y. Holler ; A. Ivanilov ; H.E. Jackson ; S. Joosten ; R. Kaiser ; G. Karyan ; E. Kinney ; A. Kisselev ; V. Korotkov ; V. Kozlov ; P. Kravchenko ; L. Lagamba ; L. Lapikás ; I. Lehmann ; P. Lenisa ; W. Lorenzon ; S.I. Manaenkov ; B. Marianski ; H. Marukyan ; A. Movsisyan ; V. Muccifora ; A. Nass ; G. Nazaryan ; W.-D. Nowak ; L.L. Pappalardo ; A.R. Reolon ; C. Riedl ; K. Rith ; G. Rosner ; A. Rostomyan ; D. Ryckbosch ; G. Schnell ; B. Seitz ; V. Shutov ; M. Statera ; A. Terkulov ; A. Trzcinski ; M. Tytgat ; Y. Van Haarlem ; C. Van Hulse ; D. Veretennikov ; I. Vilardi ; C. Vogel ; S. Yaschenko ; V. Zagrebelnyy ; D. Zeiler ; B. Zihlmann ; P. Zupranski ;
Date:	20 Mar 2019
Abstract:	A measurement of beam-helicity asymmetries for single-hadron production in deep-inelastic scattering is presented. Data from the scattering of 27.6 GeV electrons and positrons off gaseous hydrogen and deuterium targets were collected by the HERMES experiment. The asymmetries are presented separately as a function of the Bjorken scaling variable, the hadron transverse momentum and the fractional energy for charged pions and kaons as well as for protons and anti-protons. These asymmetries are also presented as a function of the three aforementioned kinematic variables simultaneously.
Source:	arXiv, 1903.8544
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