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${{\mathit N}{(1440)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit N}{(1440)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$

INSPIRE   PDGID:

B061A2

VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT $\bf{ 0.035\text{ to }0.055\text{ }(\approx0.045) }$ OUR ESTIMATE $0.013$ $\pm0.012$ 1 HUNT 2019 DPWA Multichannel $0.053$ $\pm0.007$ ANISOVICH 2017 E DPWA Multichannel $0.048$ $\pm0.004$ 1 CHEN 2012 A DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $0.043$ $\pm0.012$ ANISOVICH 2013 B DPWA Multichannel $0.040$ $\pm0.005$ 1 SHRESTHA 2012 A DPWA Multichannel $0.054$ DRECHSEL 2007 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $0.121$ PENNER 2002 D DPWA Multichannel 1  Statistical error only.

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