${{\boldsymbol N}{(1680)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\boldsymbol N}{(1680)}}$ $\rightarrow$ ${{\boldsymbol n}}{{\boldsymbol \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$ INSPIRE search

VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT
$\bf{ -0.050\text{ to }-0.025\text{ }(\approx-0.035) }$ OUR ESTIMATE
$-0.061$ $\pm0.004$ 1
HUNT
2019
DPWA Multichannel
$-0.044$ $\pm0.009$
ANISOVICH
2013B
 DPWA Multichannel
$-0.029$ $\pm0.002$ 1
CHEN
2012A
 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$-0.059$ $\pm0.002$ 1
SHRESTHA
2012A
 DPWA Multichannel
$-0.038$
DRECHSEL
2007
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
1  Statistical error only.
  References:
HUNT 2019
PR C99 055205 Updated determination of $N^*$ resonance parameters using a unitary, multichannel formalism
ANISOVICH 2013B
EPJ A49 67 Helicity Amplitudes for Photoexcitation of Nucleon Resonances off Neutrons
CHEN 2012A
PR C86 015206 Amplitude Analysis of ${{\mathit \gamma}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit p}}$ Data above 1 GeV
SHRESTHA 2012A
PR C86 055203 Multichannel Parametrization of ${{\mathit \pi}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters
DRECHSEL 2007
EPJ A34 69 Unitary Isobar Model $−$ MAID2007