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${{\mathit \Delta}{(2420)}}$ ELASTIC POLE RESIDUE

PHASE $\theta $

VALUE ($^\circ{}$)

DOCUMENT ID

TECN

COMMENT

$\bf{ -60\text{ to }20\text{ }(\approx-20) }$

OUR ESTIMATE

$11$ $\pm1$ $\pm8$

L+P

${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$

$-30$ $\pm40$

IPWA

${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$

• • We do not use the following data for averages, fits, limits, etc. • •

$-45$

DPWA

${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ , ${{\mathit \eta}}{{\mathit N}}$

$-60$

ARGD

${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$

¹	Fit to the amplitudes of HOEHLER 1979 .

References:

PR C89 045205

Poles of Karlsruhe-Helsinki KH80 and KA84 Solutions Extracted by using the Laurent-Pietarinen Method

PR C74 045205

Extended Partial-Wave Analysis of ${{\mathit \pi}}{{\mathit N}}$ Scattering Data

#d{pi N} Newsletter 9 1

Determination of ${{\mathit \pi}}{{\mathit N}}$ Resonance Pole Parameters

Toronto Conf. 19

Pion $−$ Nucleon Partial Wave Analysis

PR D20 2839

Pion Nucleon Partial Wave Amplitudes

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