The reduced cross sections for ep, deep inelastic scattering have been measured with the ZEUS detector at HERA at three different centre-of-mass energies, 318, 251 and 225 GeV. From the cross sections, measured double differentially in Bjorken x and the virtuality, Q(2), the proton structure (f)unctions F-L and F-2 have been extracted in the region 5 x 10(-4) < x < 0.007 and 20 < Q(2) < 130 GeV2. (C) 2009 Elsevier B.V. All rights reserved.
Measurement of the longitudinal proton structure function at HERA
COSTA, Marco;FERRERO, Maria Italia;MONACO, Vincenzo;SACCHI, Roberto;SOLA, VALENTINA;SOLANO, Ada Maria;
2009-01-01
Abstract
The reduced cross sections for ep, deep inelastic scattering have been measured with the ZEUS detector at HERA at three different centre-of-mass energies, 318, 251 and 225 GeV. From the cross sections, measured double differentially in Bjorken x and the virtuality, Q(2), the proton structure (f)unctions F-L and F-2 have been extracted in the region 5 x 10(-4) < x < 0.007 and 20 < Q(2) < 130 GeV2. (C) 2009 Elsevier B.V. All rights reserved.
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