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${{\mathit \Delta}{(1900)}}$ POLE POSITION

REAL PART

INSPIRE   PDGID:

B030RE

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 1830\text{ to }1900\text{ }(\approx1865) }$ OUR ESTIMATE $1845$ $\pm20$ SOKHOYAN 2015 A DPWA Multichannel $1865$ $\pm35$ $\pm19$ 1 SVARC 2014 L+P ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $1870$ $\pm40$ CUTKOSKY 1980 IPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $1957$ HUNT 2019 DPWA Multichannel $1845$ $\pm20$ GUTZ 2014 DPWA Multichannel $1845$ $\pm25$ ANISOVICH 2012 A DPWA Multichannel $1795$ VRANA 2000 DPWA Multichannel $1780$ HOEHLER 1993 SPED ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ 1  Fit to the amplitudes of HOEHLER 1979 .

References:

HUNT 2019 PR C99 055205 Updated determination of $N^*$ resonance parameters using a unitary, multichannel formalism 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 ANISOVICH 2012A EPJ A48 15 Properties of Baryon Resonances from a Multichannel Partial Wave Analysis VRANA 2000 PRPL 328 181 Baryon Resonance Extraction from ${{\mathit \pi}}$ N Data using a Unitary Multichannel Model 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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