Physics results from HERMES

Kaiser, R. (2000) Physics results from HERMES. Czechoslovak Journal of Physics, 50(S1), pp. 35-44. (doi: 10.1007/s10582-000-0004-2)

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The Hermes experiment at the Desy laboratory in Hamburg, Germany, studies the spin structure of the nucleon. Its unique feature is the combination of a polarized internal gas target with the longitudinally polarized 27.5 GeV electron/positron beam of the Hera accelerator. Recent Hermes measurements include the proton spin structure function g1p, the flavor decomposition of the polarized quark distributions in the nucleon, the DIS contribution to the generalized GDH sum rule, the first observation of a spin asymmetry in exclusive vector meson production and the first observation of a single-spin azimuthal asymmetry in semi-inclusive pion production. Additionally, the possibility of using various unpolarized gases as target material broadens the spectrum of physics measurements with Hermes.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Kaiser, Professor Ralf
Authors: Kaiser, R.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Czechoslovak Journal of Physics
ISSN (Online):1572-9486

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