Absolute Differential Cross-sections for $\pi^\pm p$ Elastic Scattering at 30 $\le T (\pi) \le 67$-{MeV}

Brack, J.T.; Ristinen, R.A.; Kraushaar, J.J.; Loveman, R.A.; Peterson, R.J.; Smith, G.R.; Gill, D.R.; Ottewell, D.F.; Sevior, M.E.; Trelle, R.P.

doi:10.1103/PhysRevC.41.2202

Absolute Differential Cross-sections for $\pi^\pm p$ Elastic Scattering at 30 $\le T (\pi) \le 67$ -{MeV}

Nov, 1989

20 pages

Published in:

Phys.Rev.C 41 (1990) 2202-2214

DOI:

10.1103/PhysRevC.41.2202

Report number:

TRI-PP-89-102

Experiments:

TRIUMF-394

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Abstract: (APS)

Absolute π±p differential cross sections have been measured at incident pion energies of 30.0, 45.0, and 66.8 MeV, using active targets of scintillator plastic (CH1.1) to detect recoil protons in coincidence with scattered pions. Statistical uncertainties are typically ±3%; systematic uncertainties are ±2%. The results are consistent with two earlier measurements by this group employing different experimental techniques at 67 MeV and higher incident pion energies. The π−p cross sections are in good agreement with currently accepted phase-shift analyses, but the corresponding π+p predictions are typically 15% higher at large angles than the π+p cross sections reported here.

pi- p: elastic scattering
elastic scattering: pi- p
pi+ p: elastic scattering
elastic scattering: pi+ p
differential cross section: angular dependence
angular dependence: differential cross section
partial wave analysis
scintillation counter: plastics
scintillation counter: target
target: scintillation counter

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Absolute Differential Cross-sections for π±p\pi^\pm pπ±p Elastic Scattering at 30 ≤T(π)≤67\le T (\pi) \le 67≤T(π)≤67-{MeV}

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Absolute Differential Cross-sections for $\pi^\pm p$ Elastic Scattering at 30 $\le T (\pi) \le 67$ -{MeV}