pdgLive

${{\mathit \Delta}{(1920)}}$ POLE POSITION

REAL PART

VALUE (MeV)

DOCUMENT ID

TECN

COMMENT

$\bf{ 1850\text{ to }1950\text{ }(\approx1900) }$

OUR ESTIMATE

$1883$ $\pm2$

DPWA

Multichannel

$1875$ $\pm30$

DPWA

Multichannel

$1906$ $\pm10$ $\pm2$

L+P

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

$1900$ $\pm80$

IPWA

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

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

$1910$

DPWA

Multichannel

$1715$

DPWA

Multichannel

$1875$ $\pm30$

DPWA

Multichannel

$1890$ $\pm30$

DPWA

Multichannel

$1880$

DPWA

Multichannel

$1900$

SPED

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

¹	Fit to the amplitudes of HOEHLER 1979 .

References:

EPJ A58 229

Light baryon resonances from a coupled-channel study including $\mathbf{K\Sigma}$ photoproduction

PR C99 055205

Updated determination of $N^*$ resonance parameters using a unitary, multichannel formalism

EPJ A51 70

${{\mathit \eta}}$ Photoproduction in a Combined Analysis of Pion- and Photon-Induced Reactions

EPJ A51 95

High-Statistics Study of the Reaction ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$2 ${{\mathit \pi}^{0}}$

EPJ A50 74

High Statistics Study of the Reaction

PR C89 045205

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

EPJ A48 15

Properties of Baryon Resonances from a Multichannel Partial Wave Analysis

PRPL 328 181

Baryon Resonance Extraction from ${{\mathit \pi}}$ N Data using a Unitary Multichannel Model

#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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