Polarization observables in pi d
1988
The composite spin observable ${\ensuremath{\tau}}_{22}$\ensuremath{\equiv}(${T}_{22}$+${T}_{20}$/ \ensuremath{\surd}6 ) has been measured at five incident pion energies between 134 and 294 MeV, in an angular range between 90\ifmmode^\circ\else\textdegree\fi{} and 170\ifmmode^\circ\else\textdegree\fi{}, using a tensor-polarized deuterium target. New, accurate data for the vector analyzing power ${\mathrm{iT}}_{11}$ were obtained at the same time. In combination with the results reported in part I of this series, our measurements allow us to determine the three analyzing powers ${T}_{20}$, ${T}_{21}$, and ${T}_{22}$, separately, and compare them with existing theoretical calculations, all of which fail, in one way or another, to reproduce the entire data set.
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