Hess, R.
PI- P --> PI- P
[2.0, 5.0]
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Measurement of the Polarization in Large Angle $\pi^- P$ Elastic Scattering at 2.93-{GeV}/c and 3.25-{GeV}/c

Auer, I.P. ; Bridges, D. ; Droege, T. ; et al.
Phys.Rev.D 24 (1981) 1771-1784, 1981.
Inspire Record 172691 DOI 10.17182/hepdata.24055

We have measured the polarization for elastic scattering in the reaction π−p→π−p at 2.93 and 3.25 GeV/c using a polarized proton target and multiwire proportional chambers (MWPC's) with emphasis on large-angle scattering. Events were selected by fast scintillation-counter logic. Beam trajectories were measured with four MWPC's and the scattered-particle angles were measured with one or two MWPC's; elastic events were determined by coplanarity and angle-angle correlations. The polarization is in agreement with previous measurements below |t|=2.0 (GeV/c)2, and crosses from negative to positive near the secondary dip in the differential cross section dσdt. In the backward region, an energy dependence appears with the polarization being large and negative at 2.93 GeV/c and consistent with zero at 3.25 GeV/c.

2 data tables match query
Table 1

No description provided.

Table 2

No description provided.


Interference measurements of the real part of the forward pi- p elastic scattering amplitude at 2.44 and 1.91 gev/c momenta

Vorobev, G.G. ; Govorun, N.N. ; Nomofilov, A.A. ; et al.
Yad.Fiz. 19 (1974) 849-860, 1974.
Inspire Record 95139 DOI 10.17182/hepdata.19252

None

1 data table match query
Table 1

INCLUDING DATA FROM PREVIOUS WORK OF THIS GROUP.