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Leading-Order Determination of the Gluon Polarization from high- Hadron Electroproduction
The HERMES Collaboration, A. Airapetian
Longitudinal double-spin asymmetries of charged hadrons with high transverse momentum have been measured in electroproduction using the \hermes\ detector at \hera. Processes…
Measurement of Parton Distributions of Strange Quarks in the Nucleon from Charged-Kaon Production in Deep-Inelastic Scattering on the Deuteron
HERMES Collaboration, A. Airapetian
The momentum and helicity density distributions of the strange quark sea in the nucleon are obtained in leading order from charged-kaon production in deep-inelastic scattering on t…
Measurement of Azimuthal Asymmetries With Respect To Both Beam Charge and Transverse Target Polarization in Exclusive Electroproduction of Real Photons
HERMES Collaboration, A. Airapetian
Azimuthal asymmetries in exclusive electroproduction of real photons are measured for the first time with respect to transverse target polarisation, providing new constraints on Ge…
Cross sections for hard exclusive electroproduction of pi+ mesons on a hydrogen target
HERMES Collaboration, A. Airapetian
The exclusive electroproduction of pi+ mesons was studied with the Hermes spectrometer at the DESY laboratory by scattering 27.6 GeV positron and electron beams off an internal hyd…
Hadronization in semi-inclusive deep-inelastic scattering on nuclei
The HERMES Collaboration, A. Airapetian
A series of semi-inclusive deep-inelastic scattering measurements on deuterium, helium, neon, krypton, and xenon targets has been performed in order to study hadronization. The dat…
Beam-Spin Asymmetries in the Azimuthal Distribution of Pion Electroproduction
HERMES Collaboration, A. Airapetian
A measurement of the beam-spin asymmetry in the azimuthal distribution of pions produced in semi-inclusive deep-inelastic scattering off protons is presented. The measurement was p…