Simple Parametrization of the $\pi N$ Amplitude - INSPIRE

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Simple Parametrization of the $\pi N$ Amplitude

R.J. McLeod
(
- Flinders U.
)
,
I.R. Afnan
(
- Flinders U.
)

Dec, 1984

38 pages

Published in:

Phys.Rev.C 32 (1985) 222,
Phys.Rev.C 32 (1985) 1786-1786 (erratum)

DOI:

Report number:

FIAS-R-147

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Abstract: (APS)

We present a simple parametrization of the S-, P-, and D-wave π-N amplitudes using separable potentials for Tπ<1 GeV. The effect of the inelasticity is included in the Green’s function while maintaining consistency with unitarity. The P11 amplitude is written as a pole plus nonpole in order to describe pion absorption in A≥2.

PI NUCLEON: INTERACTION
INTERACTION: PI NUCLEON
SCATTERING AMPLITUDE: PARAMETRIZATION
PARAMETRIZATION: SCATTERING AMPLITUDE
MODEL: OFF-SHELL
PARTIAL WAVE ANALYSIS
PI: ABSORPTION
ABSORPTION: PI
S-MATRIX: UNITARITY
MODEL: SEPARABLE POTENTIAL

References(44)

Figures(0)

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