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${{\mathit \Delta}{(1930)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit \Delta}{(1930)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$

INSPIRE   PDGID:

B013A1

VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT $-0.043$ $\pm0.008$ 1 HUNT 2019 DPWA Multichannel $-0.007$ $\pm0.010$ 1 ARNDT 1996 IPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $0.011$ $\pm0.003$ 1 SHRESTHA 2012 A DPWA Multichannel 1  Statistical error only.

References:

HUNT 2019 PR C99 055205 Updated determination of $N^*$ resonance parameters using a unitary, multichannel formalism SHRESTHA 2012A PR C86 055203 Multichannel Parametrization of ${{\mathit \pi}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters ARNDT 1996 PR C53 430 Updated Resonance Photodecay Amplitudes to 2 GeV

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