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

${{\mathit \Delta}{(1905)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$

INSPIRE   PDGID:
B011A1
VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT
$\bf{ 0.017\text{ to }0.027\text{ }(\approx0.022) }$ OUR ESTIMATE
$0.019$ $\pm0.0076$
GOLOVATCH
2019
DPWA ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}}$
$0.077$ $\pm0.010$ 1
HUNT
2019
DPWA Multichannel
$0.025$ $\pm0.005$
SOKHOYAN
2015A
DPWA Multichannel
$0.020$ $\pm0.002$ 1
DUGGER
2013
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
$0.019$ $\pm0.002$ 1
WORKMAN
2012A
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$0.025$ $\pm0.005$
GUTZ
2014
DPWA Multichannel
$0.025$ $\pm0.004$
ANISOVICH
2012A
DPWA Multichannel
$0.066$ $\pm0.018$ 1
SHRESTHA
2012A
DPWA Multichannel
$0.018$
DRECHSEL
2007
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
1  Statistical error only.
References