Measurement of Partial-Wave Contributions in pp --> pp pi0
Abstract
We report a measurement of the spin-dependent total cross section ratios deltasigmaT/sigmatot and deltasigmaL/sigmatot of the pp --> pp pi0 reaction between 325 MeV and 400 MeV. The experiment was carried out with a polarized internal target in a storage ring. Non-vertical beam polarization was obtained by the use of solenoidal spin rotators. Near threshold, the knowledge of both spin-dependent total cross sections is sufficient to deduce the strength of certain participating partial waves, free of any model.
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