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Spin Density Matrix Elements in Exclusive rho^0 Electroproduction on 1H and 2H Targets at 27.5 GeV Beam Energy
HERMES Collaboration, A. Airapetian
Spin Density Matrix Elements (SDMEs) describing the angular distribution of exclusive rho^0 electroproduction and decay are determined in the HERMES experiment with 27.6 GeV beam e…
Nuclear p_t broadening at HERMES
Yves Van Haarlem, Anton Jgoun, Pasquale Di Nezza
The first direct measurement of p_t-broadening effects in cold nuclear matter has been studied as a function of several kinematic variables for different hadron types. The data hav…
Flavor decomposition of the sea quark helicity distributions in the nucleon from semi-inclusive deep-inelastic scattering
HERMES collaboration, A. Airapetian
Double-spin asymmetries of semi-inclusive cross sections for the production of identified pions and kaons have been measured in deep-inelastic scattering of polarized positrons on…
Measurement of the z- and x-dependence of the Mean Transverse Momentum of Charged Hadrons, Charged Pions and K_s^0 at HERMES
Anton Jgoun, HERMES collaboration
The mean transverse momenta of hadrons, <P_{\bot}>, produced in e^+ N deep inelastic scattering was studied as a function of the hadron energy fraction z and the Bjorken variable x…