DIS structure functions and the double-spin asymmetry in rho(0) electroproduction within a Regge approach
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Kochelev, Nikolai; Lipka, Katerina; Nowak, Wolf-Dieter; Vento Torres, Vicente; Vinnikov, Andrey V.
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Aquest document és un/a article, creat/da en: 2003
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The proton, neutron and deuteron structure functions F2(x,Q2) and g1(x,Q2), measured at intermediate Q2, are analyzed within a Regge approach. This analysis serves to fix the parameters of this scheme which are then used to calculate, in a unified Regge approach, the properties of ρ0 meson electroproduction on the proton and the deuteron. In this way, the double-spin asymmetry observed at HERMES in ρ0 electroproduction on the proton, can be related to the anomalous behavior of the flavor-singlet part of the spin-dependent structure function g1(x,Q2) at small x. |
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