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

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

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
2015A
DPWA Multichannel
$-0.049$ $\pm0.005$ 1
DUGGER
2013
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
$-0.038$ $\pm0.004$
WORKMAN
2012A
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$-0.050$ $\pm0.005$
GUTZ
2014
DPWA Multichannel
$-0.049$ $\pm0.004$
ANISOVICH
2012A
DPWA Multichannel
$-0.223$ $\pm0.029$ 1
SHRESTHA
2012A
DPWA Multichannel
$-0.028$
DRECHSEL
2007
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
1  Statistical error only.
  References:
GOLOVATCH 2019
PL B788 371 First results on nucleon resonance photocouplings from the $\gamma p \to \pi^+\pi^-p$ reaction
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 ${{\mathit \pi}^{0}}$
GUTZ 2014
EPJ A50 74 High Statistics Study of the Reaction
DUGGER 2013
PR C88 065203 Beam Asymmetry for ${{\mathit \pi}^{+}}$ and ${{\mathit \pi}^{0}}$ Photoproduction on the Proton for Photon Energies from 1.102 to 1.862 GeV
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
WORKMAN 2012A
PR C86 015202 Unified Chew-Mandelstam SAID Analysis of Pion Photoproduction Data
DRECHSEL 2007
EPJ A34 69 Unitary Isobar Model $−$ MAID2007