${{\boldsymbol N}{(1520)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\boldsymbol N}{(1520)}}$ $\rightarrow$ ${{\boldsymbol p}}{{\boldsymbol \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$ INSPIRE search

VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT
$\bf{ -0.030\text{ to }-0.015\text{ }(\approx-0.025) }$ OUR ESTIMATE
$-0.034$ $\pm0.003$ 1
HUNT
2019
DPWA Multichannel
$-0.024$ $\pm0.004$
SOKHOYAN
2015A
 DPWA Multichannel
$-0.015$ $\pm0.001$ 1
SHKLYAR
2013
DPWA Multichannel
$-0.019$ $\pm0.002$ 1
WORKMAN
2012A
 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \pi}}$
$-0.028$ $\pm0.002$ 1
DUGGER
2007
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
$-0.038$ $\pm0.003$ 1
AHRENS
2002
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$-0.022$ $\pm0.004$
ANISOVICH
2012A
 DPWA Multichannel
$-0.034$ $\pm0.001$ 1
SHRESTHA
2012A
 DPWA Multichannel
$-0.027$
DRECHSEL
2007
DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
$-0.003$
PENNER
2002D
 DPWA Multichannel
$-0.052$ $\pm0.010$ $\pm0.007$ 1
MUKHOPADHYAY
1998
${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit p}}$
1  Statistical error only.
  References:
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 ${{\mathit \pi}^{0}}$
SHKLYAR 2013
PR C87 015201 Eta-meson Production in the Resonance Energy Region
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
DUGGER 2007
PR C76 025211 ${{\mathit \pi}^{0}}$ Photoproduction on the Proton for Photon Energies from 0.675 to 2.875 GeV
AHRENS 2002
PRL 88 232002 The Helicity Amplitudes A$_{1/2}$ and A$_{3/2}$ for the ${{\mathit D}_{{13}}{(1520)}}$ Resonance Obtained from the ${{\mathit \gamma}}$ $↑$ ${{\mathit p}}$ $↑$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{0}}$ Reaction
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
MUKHOPADHYAY 1998
PL B444 7 Extraction of Electrostrong Parameters of ${{\mathit N}^{*}{(1520)}}$ from ${{\mathit \eta}}$ Photoproduction