Physics Commons^™

Probing The Deuteron At Very Large Internal Momenta, C. Yero, D. Abrams, Z Ahmed, F. Hauenstein, S.A. Wood, J. Zhang, Et Al., Hall C. Collaboration

Physics Faculty Publications

We measure ²H(e,e′p)n cross sections at 4-momentum transfers of Q² = 4.5 ± 0.5   (GeV/c)² over a range of neutron recoil momenta pr, reaching up to ∼1.0  GeV/c. We obtain data at fixed neutron recoil angles θ_nq = 35°, 45°, and 75° with respect to the 3-momentum transfer ^→q. The new data agree well with previous data, which reached p_r ∼ 500  MeV/c. At θ_nq = 35° and 45°, final state interactions, meson exchange currents, and isobar currents are suppressed and the plane wave impulse approximation provides the dominant cross section contribution. …