pdgLive Home   >   Baryon Summary Table   >   ${{\mathit \Delta}{(1232)}}$   >   ${{\mathit \Delta}{(1232)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$

${{\mathit \Delta}{(1232)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

Papers on ${{\mathit \gamma}}{{\mathit N}}$ amplitudes predating 1981 may be found in our 2006 edition, Journal of Physics G33 1 (2006).

${{\mathit \Delta}{(1232)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$

INSPIRE   PDGID:

B033A2

VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT $\bf{ -0.262\text{ to }-0.248\text{ }(\approx-0.255) }$ OUR ESTIMATE $-0.250$ $\pm0.002$ 1 HUNT 2019 DPWA Multichannel $-0.254$ $\pm0.005$ ANISOVICH 2012 A DPWA Multichannel $-0.262$ $\pm0.003$ WORKMAN 2012 A DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \pi}}$ $-0.258$ $\pm0.005$ DUGGER 2007 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $-0.256$ $\pm0.003$ AHRENS 2004 A DPWA $\vec\gamma\vec {{\mathit p}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \pi}}$ $-0.2669$ $\pm0.0016$ $\pm0.0078$ BLANPIED 2001 LEGS ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$, ${{\mathit p}}{{\mathit \pi}^{0}}$, ${{\mathit n}}{{\mathit \pi}^{+}}$ $-0.251$ $\pm0.001$ BECK 2000 IPWA $\vec\gamma$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{0}}$, ${{\mathit n}}{{\mathit \pi}^{+}}$ $-0.258$ $\pm0.006$ KAMALOV 1999 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $-0.2466$ $\pm0.0013$ HANSTEIN 1998 IPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $-0.2524$ $\pm0.0013$ DAVIDSON 1997 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $-0.251$ $\pm0.001$ 1 SHRESTHA 2012 A DPWA Multichannel $-0.267$ $\pm0.008$ ANISOVICH 2010 DPWA Multichannel $-0.265$ DRECHSEL 2007 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $-0.243$ $\pm0.001$ ARNDT 2002 DPWA ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \pi}}$ $-0.247$ PENNER 2002 D DPWA Multichannel $-0.2522$ HANSTEIN 1998 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ 1  Statistical error only.

References

Except where otherwise noted, content of the 2024 Review of Particle Physics is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) license. The publication of the Review of Particle Physics is supported by US DOE, MEXT (Japan), INFN (Italy) and CERN. Individual collaborators receive support for their PDG activities from their respective institutes or funding agencies. © 2024. See LBNL disclaimers.