The Reaction D(e,pp)e'pi- on Polarized Deuteron at High Proton Momenta
V. N. Stibunov, A. Yu. Loginov, D. M. Nikolenko, A. V. Osipov, I. A. Rachek, A. A. Sidorov, D. K. Toporkov
Abstract
The differential cross section and target asymmetry components of the reaction D(e,pp)e'pi- on polarized deuteron were measured. The kinetic energies of the protons were measured within 55-180 MeV and 46-265 MeV. The polar acceptance angles in laboratory frame for the both protons are (64 - 82) degrees and the azimuthal angles are (-16 +16), (164 - 196) degrees. The sharp peak of the tensor a(20)-component of the target asymmetry is found near the invariant mass of the pppi-system M(pppi) = 2300 MeV/c**2. The performed calculations of the differential yield and the tensor target asymmetry do not describe the obtained experimental results.
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