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Q2 evolution of the generalized Gerasimov-Drell-Hearn integral for the neutron using a 3He target
M Amarian1, L Auerbach, T Averett
1Istituto Nazionale di Fiscica Nucleare, Sezione Sanità, 00161 Roma, Italy.
Abstract:
We present data on the inclusive scattering of polarized electrons from a polarized 3He target at energies from 0.862 to 5.06 GeV, obtained at a scattering angle of 15.5 degrees. Our data include measurements from the quasielastic peak, through the nucleon resonance region, and beyond, and were used to determine the virtual photon cross-section difference sigma(1/2)-sigma(3/2). We extract the extended Gerasimov-Drell-Hearn integral for the neutron in the range of four-momentum transfer squared Q2 of 0.1-0.9 GeV2.
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