Polarization measurement of antiproton scattered elastically from proton at 220 MeV
Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields(2008)
Abstract
Summary The polarization of scattered antiproton in
$$\bar pp$$
elastic scattering has been measured at the kinetic energy of 220MeV by means of double scattering in a bubble chamber. The
polarizations obtained are 0.28±0.11, 0.46±0.12, 0.51±0.19 and 0.38±0.31 at the scattering angles 28°, 42°, 56° and 73° in
the c.m. system, respectively. These results do not seem to be in good agreement with a prediction given by Bryan and Phillips.
We have also compared these data with a modified diffraction model.
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Key words
elastic scattering,kinetic energy
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