Two pion production in electron-polarized proton scattering

Details Two pion production in electron-polarized proton scattering Two pion production in electron-polarized proton scattering

2010-01-20

arxiv.org/abs/1001.3467v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 2 figures, 2 tables

Scientific paper

Process of two pion production in electron - polarized proton scattering is investigated. In Weizs\"acker-Williams approximation the differential spectral distributions and the spin-momentum correlations are considered. The spin correlation effects caused by $\rho$-meson widths are estimated to be of order of several percents. Both channels of $\pi^+\pi^-$ and $\pi^+\pi^0$ creation are considered. The effects of intermediate excited baryons are not considered. The spectral distributions on pion energy fractions in polarized and unpolarized cases are presented analytically and numerically.

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