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

$-2{\times }$IMAGINARY PART INSPIRE search

B117IM
VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 200\text{ to }400\text{ }(\approx300) }$ OUR ESTIMATE
$260$ $\pm40$
SARANTSEV
2025
DPWA Multichannel
$844$ $\pm5$
ROENCHEN
2022
DPWA Multichannel
$310$ $\pm20$ $\pm11$ 1
SVARC
2014
L+P ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
$300$ $\pm100$
CUTKOSKY
1980
IPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$472$
HUNT
2019
DPWA Multichannel
$882$
ROENCHEN
2015A
 DPWA Multichannel
$300$ $\pm40$
SOKHOYAN
2015A
 DPWA Multichannel
$300$ $\pm40$
GUTZ
2014
DPWA Multichannel
$120$
VRANA
2000
DPWA Multichannel
1  Fit to the amplitudes of HOEHLER 1979.
  References:
SARANTSEV 2025
PR C112 015202 Decays of $N^*$ and $?^*$ resonances into $N?$, $??$, and $N?$
ROENCHEN 2022
EPJ A58 229 Light baryon resonances from a coupled-channel study including $\mathbf{K\Sigma}$ photoproduction
HUNT 2019
PR C99 055205 Updated determination of $N^*$ resonance parameters using a unitary, multichannel formalism
ROENCHEN 2015A
EPJ A51 70 ${{\mathit \eta}}$ Photoproduction in a Combined Analysis of Pion- and Photon-Induced Reactions
SOKHOYAN 2015A
EPJ A51 95 High-Statistics Study of the Reaction ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$2 ${{\mathit \pi}^{0}}$
GUTZ 2014
EPJ A50 74 High Statistics Study of the Reaction 
SVARC 2014
PR C89 045205 Poles of Karlsruhe-Helsinki KH80 and KA84 Solutions Extracted by using the Laurent-Pietarinen Method
VRANA 2000
PRPL 328 181 Baryon Resonance Extraction from ${{\mathit \pi}}$ N Data using a Unitary Multichannel Model
CUTKOSKY 1980
Toronto Conf. 19 Pion $−$ Nucleon Partial Wave Analysis
Also
PR D20 2839 Pion Nucleon Partial Wave Amplitudes