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${{\mathit \Delta}{(1620)}}$ ELASTIC POLE RESIDUE

PHASE $\theta $

INSPIRE   PDGID:

B082IMR

VALUE ($^\circ{}$) DOCUMENT ID TECN  COMMENT $\bf{ -120\text{ to }-80\text{ }(\approx-100) }$ OUR ESTIMATE $126$ $\pm2$ ROENCHEN 2022 DPWA Multichannel $-90$ $\pm15$ SOKHOYAN 2015 A DPWA Multichannel $-106$ $\pm10$ $\pm4$ 1 SVARC 2014 L+P ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $-110$ $\pm20$ CUTKOSKY 1980 IPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $-104$ ROENCHEN 2015 A DPWA Multichannel $-100$ $\pm5$ ANISOVICH 2012 A DPWA Multichannel $-92$ ARNDT 2006 DPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ , ${{\mathit \eta}}{{\mathit N}}$ $-95$ HOEHLER 1993 SPED ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ 1  Fit to the amplitudes of HOEHLER 1979 .

References:

ROENCHEN 2022 EPJ A58 229 Light baryon resonances from a coupled-channel study including $\mathbf{K\Sigma}$ photoproduction 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 ${{\mathit \pi}^{0}}$ SVARC 2014 PR C89 045205 Poles of Karlsruhe-Helsinki KH80 and KA84 Solutions Extracted by using the Laurent-Pietarinen Method ANISOVICH 2012A EPJ A48 15 Properties of Baryon Resonances from a Multichannel Partial Wave Analysis ARNDT 2006 PR C74 045205 Extended Partial-Wave Analysis of ${{\mathit \pi}}{{\mathit N}}$ Scattering Data HOEHLER 1993 #d{pi N} Newsletter 9 1 Determination of ${{\mathit \pi}}{{\mathit N}}$ Resonance Pole Parameters CUTKOSKY 1980 Toronto Conf. 19 Pion $−$ Nucleon Partial Wave Analysis Also PR D20 2839 Pion Nucleon Partial Wave Amplitudes

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