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${{\mathit \Delta}{(1600)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit \Delta}{(1600)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$

INSPIRE   PDGID:

B019A2

VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT $\bf{ -0.050\text{ to }-0.020\text{ }(\approx-0.035) }$ OUR ESTIMATE $0.048$ $\pm0.014$ 1 HUNT 2019 DPWA Multichannel $-0.055$ $\pm0.010$ SOKHOYAN 2015 A DPWA Multichannel $-0.025$ $\pm0.015$ 1 ARNDT 1996 IPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $-0.040$ $\pm0.012$ ANISOVICH 2012 A DPWA Multichannel $0.052$ $\pm0.008$ 1 SHRESTHA 2012 A DPWA Multichannel $-0.024$ PENNER 2002 D DPWA Multichannel 1  Statistical error only.

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 ${{\mathit \pi}^{0}}$ 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 PENNER 2002D PR C66 055212 Vector Meson Production and Nucleon Resonance Analysis in a Coupled Channel Approach for Energies ${\mathit m}_{{{\mathit N}}}$ $<$ $\sqrt {s }$ $<$ 2 GeV. 2. Photon Induced Results ARNDT 1996 PR C53 430 Updated Resonance Photodecay Amplitudes to 2 GeV

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