Abstract
We present the HERMES preliminary data of virtual photon absorption cross section difference [σ 1/2 — σ 3/2] for the proton and neutron in deep inelastic scattering of 27.6 GeV longitudinally polarised positrons from polarised 1H and 3He internal gas targets. The data were collected in the region above the nucleon resonances. The DIS contribution to the generalised Gerasimov-Drell-Hearn (GDH) integral for the nucleons is shown.
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© 1999 Springer-Verlag
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Bianchi, N., HERMES Collaboration. (1999). DIS Contribution to the GDH Sum Rule. In: Simula, S., Saghai, B., Mukhopadhyay, N.C., Burkert, V.D. (eds) N* Physics and Nonperturbative Quantum Chromodynamics. Few-Body Systems, vol 11. Springer, Vienna. https://doi.org/10.1007/978-3-7091-6800-4_32
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DOI: https://doi.org/10.1007/978-3-7091-6800-4_32
Publisher Name: Springer, Vienna
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