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Polarization transfer observables in pi d elastic scattering

Suft, G. ; Amaudruz, P. ; Boschitz, E. ; et al.
Phys.Lett.B 425 (1998) 19-24, 1998.
Inspire Record 472904 DOI 10.17182/hepdata.28205

Polarization transfer observables in π + d elastic scattering have been measured for the first time. Four polarization transfer parameters were determined at pion energies T π =134 MeV and 180 MeV at scattering angles θ π ,C.M. between 100° and 140° using a deuteron target polarized perpendicular to the scattering plane and a deuteron tensor polarimeter. The data are compared to different predictions from the SAID phase shift analysis and Faddeev calculations.

2 data tables
Table 1

Systematic and statistical errors are added in quadrature.

Table 2

Systematic and statistical errors are added in quadrature.


Polarization observables in pi d (polarized) elastic scattering: Analyzing powers tau (22) and iT (11) in the forward hemisphere

Wessler, M. ; Boschitz, E. ; Brinkmoeller, B. ; et al.
Phys.Rev.C 51 (1995) 2575-2583, 1995.
Inspire Record 405002 DOI 10.17182/hepdata.25896

The vector analyzing power iT11 and the composite observable τ22=T22+T20/ √6 were measured at 10 incident pion energies between 100 and 294 MeV, in an angular range between 50° and 120°. Two different techniques were applied, the detection of the pion with a magnet spectrometer, and the πd coincidence method with scintillation counters. In the case of the first technique also two different target materials were used. Consistency among all data was obtained. The experimental data are compared to Faddeev calculations from one of us (H.G.). The discrepancies between theory and experiment are discussed, and an outlook for further research is given.

14 data tables
Table 1

Vector analyzing power iT11 and composite observale TAU22 = T22 + T20/sqrt(6). LiDeut target.

Table 2

Vector analyzing power iT11 and composite observale TAU22 = T22 + T20/sqrt(6). LiDeut target.

Table 3

Vector analyzing power iT11 and composite observale TAU22 = T22 + T20/sqrt(6). LiDeut target.

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Vector analyzing power iT11 in pi d elastic scattering at 49 MeV

Kohler, M. ; King, B.E. ; Stevenson, N.R. ; et al.
Phys.Rev.C 49 (1994) 1715-1717, 1994.
Inspire Record 389448 DOI 10.17182/hepdata.25990

Measurements of the vector analyzing power iT11 in πd elastic scattering at 49 MeV have been performed using a dynamically polarized target and a magnetic spectrometer. Data at seven π+ laboratory scattering angles between 50° and 130° were taken together with a complementary measurement at 60° for π−d elastic scattering. In general, we find agreement with models that include the πN P11 amplitude and disagreement with models that exclude or suppress it.

2 data tables
Table 1

No description provided.

Table 2

No description provided.