Analyzing powers in π△→ elastic scattering from <i>T</i>π=98 to 263 MeV

M. E. Sevior; A. Feltham; P. Weber; G. R. Smith; D. R. Gill; D. Healey; D. Ottewell; G. D. Wait; J. T. Brack; M. Kohler; J. J. Kraushaar; D. Oakley; R. J. Peterson; R. A. Ristinen; E. L. Mathie; N. R. Stevenson; R. B. Schubank; E. Gibson; R. Arndt

doi:10.1103/PhysRevC.40.2780

Analyzing powers in π△→ elastic scattering from Tπ=98 to 263 MeV

M. E. Sevior, A. Feltham, P. Weber, G. R. Smith, D. R. Gill, D. Healey, D. Ottewell, G. D. Wait, J. T. Brack, M. Kohler, J. J. Kraushaar, D. Oakley, R. J. Peterson, R. A. Ristinen, E. L. Mathie, N. R. Stevenson, R. B. Schubank, E. Gibson, and R. Arndt

Phys. Rev. C 40, 2780 – Published 1 December 1989

Abstract

Angular distributions of the analyzing powers for $π^{+}$ p→ and $π^{-}$ p→ elastic scattering have been measured in a single-scattering experiment employing a polarized proton target. Measurements were obtained for pion energies of 98, 139, 166, 215, and 263 MeV. The addition of these data to the existing πp database significantly reduces the uncertainties in all S and P phase shifts for πp reactions over the delta resonance.