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Exclusive meson production at HERMES

HERMES collaboration

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Abstract

The exclusive electroproduction of pseudoscalar and vector mesons was studied with the HERMES spectrometer at the DESY laboratory by scattering 27.6 GeV positron and electron beams off a transversely polarized hydrogen target. The results are compared to calculations based on generalized parton distributions, some of which are sensitive to the contribution of the total angular momentum of the quarks to the proton spin.

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The exclusive electroproduction of pseudoscalar and vector mesons was studied with the HERMES spectrometer at the DESY laboratory by scattering 27.6 GeV positron and electron beams off a transversely polarized hydrogen target. The results are compared to calculations based on generalized parton distributions, some of which are sensitive to the contribution of the total angular momentum of the quarks to the proton spin.

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Available abstract

The exclusive electroproduction of pseudoscalar and vector mesons was studied with the HERMES spectrometer at the DESY laboratory by scattering 27.6 GeV positron and electron beams off a transversely polarized hydrogen target. The results are compared to calculations based on generalized parton distributions, some of which are sensitive to the contribution of the total angular momentum of the quarks to the proton spin.

Key concepts: Physics, DESY, Parton, Nuclear physics, Particle physics, Meson, Pseudoscalar, Pseudoscalar meson

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