High Precision Measurement of the $\pi^- p$ Elastic Scattering in a Wide Angular Range at the Incident Momenta Between 2.06-{GeV}/c and 3.48-{GeV}/c

Terada, S. ; Sumi, Y. ; Kadota, S. ; et al.
Nucl.Phys.B 175 (1980) 1-26, 1980.
Inspire Record 152926 DOI 10.17182/hepdata.34413

We have measured the differential cross section for π − p elastic scattering at eight incident momenta, 2.06, 2.26, 2.45, 2.65, 2.86, 3.05, 3.26 and 3.48 GeV/ c , in a wide range of c.m. scattering angle between 15° and 160°. A pronounced dip-bump structure has been found at large angles. Details of the structure are quantitatively described as functions of the incident momentum.

8 data tables

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Backward Polarization of $\pi^- P$ Elastic Scattering From 2.22-{GeV}/$c$ to 3.50-{GeV}/$c$

Fukushima, M. ; Iwata, S. ; Kajikawa, R. ; et al.
Nucl.Phys.B 167 (1980) 307-319, 1980.
Inspire Record 143375 DOI 10.17182/hepdata.43802

We have measured the polarization in π − backward elastic scattering at 2.22, 2.46, 2.71 and 3.50 GeV/ c incident momenta, in the u -range−1.0 ≦ u ≦0.1 (GeV/ c ) 2 . The experiment used a polarized proton target and detected both pions and protons. We have found large discrepancies between the new data and the result of even the latest phase-shift analysis.

4 data tables
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