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Beam-target double-spin asymmetry in quasielastic electron scattering off the deuteron with CLAS
Mayer, M.,Kuhn, S. E.,Adhikari, K. P.,Akbar, Z.,Anefalos Pereira, S.,Asryan, G.,Avakian, H.,Badui, R. A.,Ball, J.,Baltzell, N. A.,Battaglieri, M.,Bedlinskiy, I.,Biselli, A. S.,Boiarinov, S.,Bosted, P. American Physical Society 2017 Physical Review C Vol.95 No.2
<P>Conclusions: Final-state interactions seem to play a lesser role for polarization observables in deuteron two-body electrodisintegration than for absolute cross sections. Our data, while limited in statistical power, indicate that PWIA models work reasonably well to understand the asymmetries at lower missing momenta. In turn, this information can be used to extract the product of beam and target polarization (PbPt) from quasielastic electron-deuteron scattering, which is useful for measurements of spin observables in electron-neutron inelastic scattering. However, at the highest missing (neutron) momenta, FSI effects become important and must be accounted for.</P>
Wave attenuation in microcrystal copper at irradiation by a powerful electron beam
E.N. Borodin,A.E. Mayer,V.S. Krasnikov 한국물리학회 2011 Current Applied Physics Vol.11 No.6
The numerical study of high-rate plasticity of Cu target with different grain sizes under the action of nanosecond relativistic high-current electron beam has been carried out in the paper. The model of microcrystal material plasticity includes dislocation kinetics and dynamics as well as the stress relief in the grain boundaries of the polycrystal. This model has only two adjustable parameters. The presented results demonstrate a strong dependence of the shock wave attenuation coefficient on the grain size. At the grain size of about 70 nm, the plasticity mechanism of the dislocation glide inside grains changes to plasticity mechanism along grain boundaries.