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${{\mathit \Delta}{(1905)}}$ BREIT-WIGNER WIDTH

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B011W

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 270\text{ to }400\text{ }(\approx330) }$ OUR ESTIMATE $327$ $\pm69$ GOLOVATCH 2019 DPWA ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}}$ $289$ $\pm20$ 1 HUNT 2019 DPWA Multichannel $325$ $\pm15$ SOKHOYAN 2015 A DPWA Multichannel $320.6$ $\pm8.6$ 1 ARNDT 2006 DPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ , ${{\mathit \eta}}{{\mathit N}}$ $400$ $\pm100$ CUTKOSKY 1980 IPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $260$ $\pm20$ HOEHLER 1979 IPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $325$ $\pm15$ GUTZ 2014 DPWA Multichannel $335$ $\pm18$ ANISOVICH 2012 A DPWA Multichannel $278$ $\pm18$ 1 SHRESTHA 2012 A DPWA Multichannel $461$ $\pm111$ VRANA 2000 DPWA Multichannel 1  Statistical error only.

References:

GOLOVATCH 2019 PL B788 371 First results on nucleon resonance photocouplings from the $\gamma p \to \pi^+\pi^-p$ reaction 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 ANISOVICH 2012A EPJ A48 15 Properties of Baryon Resonances from a Multichannel Partial Wave Analysis SHRESTHA 2012A PR C86 055203 Multichannel Parametrization of ${{\mathit \pi}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters ARNDT 2006 PR C74 045205 Extended Partial-Wave Analysis of ${{\mathit \pi}}{{\mathit N}}$ Scattering Data 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 HOEHLER 1979 PDAT 12-1 Handbook of Pion Nucleon Scattering Also Toronto Conf. 3 The Karlsruhe-Helsinki ${{\mathit \pi}}{{\mathit N}}$ Elastic Partial Wave Analysis