${{\mathit N}{(1650)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$ INSPIRE search

B066A2
VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT
$\bf{ -0.040\text{ to }0.030\text{ }(\approx-0.010) }$ OUR ESTIMATE
$0.001$ $\pm0.006$ 1
HUNT
2019
DPWA Multichannel
$0.016$ $\pm0.005$
ANISOVICH
2017E
DPWA Multichannel
$-0.040$ $\pm0.010$ 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. • • •
$0.025$ $\pm0.020$
ANISOVICH
2013B
DPWA Multichannel
$0.011$ $\pm0.002$ 1
SHRESTHA
2012A
DPWA Multichannel
$0.009$
DRECHSEL
2007
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
$-0.011$
PENNER
2002D
DPWA Multichannel
1  Statistical error only.
  References:
HUNT 2019
PR C99 055205 Updated determination of $N^*$ resonance parameters using a unitary, multichannel formalism
ANISOVICH 2017E
PR C96 055202 Neutron helicity amplitudes
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
PENNER 2002D
PR C66 055212 Vector Meson Production and Nucleon Resonance Analysis in a Coupled Channel Approach for Energies ${\mathit m}_{{{\mathit N}}}$ $<$ $\sqrt {s }$ $<$ 2 GeV. 2. Photon Induced Results