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${{\mathit \Delta}{(1905)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit \Delta}{(1905)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$

INSPIRE   PDGID:

B011A2

VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT $\bf{ -0.055\text{ to }-0.035\text{ }(\approx-0.045) }$ OUR ESTIMATE $-0.0432$ $\pm0.0173$ GOLOVATCH 2019 DPWA ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}}$ $-0.053$ $\pm0.029$ 1 HUNT 2019 DPWA Multichannel $-0.050$ $\pm0.005$ SOKHOYAN 2015 A DPWA Multichannel $-0.049$ $\pm0.005$ 1 DUGGER 2013 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $-0.038$ $\pm0.004$ WORKMAN 2012 A DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $-0.050$ $\pm0.005$ GUTZ 2014 DPWA Multichannel $-0.049$ $\pm0.004$ ANISOVICH 2012 A DPWA Multichannel $-0.223$ $\pm0.029$ 1 SHRESTHA 2012 A DPWA Multichannel $-0.028$ DRECHSEL 2007 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ 1  Statistical error only.

References

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