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${{\mathit \Delta}{(1700)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit \Delta}{(1700)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$

VALUE (GeV${}^{−1/2}$)

DOCUMENT ID

TECN

COMMENT

$\bf{ 0.090\text{ to }0.170\text{ }(\approx0.130) }$

OUR ESTIMATE

$0.0872$ $\pm0.0164$

DPWA

${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}}$

$0.0125$ $\pm0.0016$

DPWA

Multichannel

$0.170$ $\pm0.025$

DPWA

Multichannel

$0.108$ $\pm0.005$

DPWA

${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$

$0.092$ $\pm0.004$

DPWA

${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$

• • We do not use the following data for averages, fits, limits, etc. • •

$0.170$ $\pm0.025$

DPWA

Multichannel

$0.165$ $\pm0.025$

DPWA

Multichannel

$0.097$ $\pm0.008$

DPWA

Multichannel

$0.210$

DPWA

${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$

$0.105$ $\pm0.003$

DPWA

${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$

$0.154$

DPWA

Multichannel

¹	Statistical error only.

References:

PL B788 371

First results on nucleon resonance photocouplings from the $\gamma p \to \pi^+\pi^-p$ reaction

PR C99 055205

Updated determination of $N^*$ resonance parameters using a unitary, multichannel formalism

EPJ A51 95

High-Statistics Study of the Reaction ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$2 ${{\mathit \pi}^{0}}$

EPJ A50 74

High Statistics Study of the Reaction

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

EPJ A48 15

Properties of Baryon Resonances from a Multichannel Partial Wave Analysis

PR C86 055203

Multichannel Parametrization of ${{\mathit \pi}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters

PR C86 015202

Unified Chew-Mandelstam SAID Analysis of Pion Photoproduction Data

EPJ A34 69

Unitary Isobar Model $−$ MAID2007

PR C76 025211

${{\mathit \pi}^{0}}$ Photoproduction on the Proton for Photon Energies from 0.675 to 2.875 GeV

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

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