pdgLive Home   >   Baryon Summary Table   >   ${{\mathit \Delta}{(1232)}}$   >   ${{\mathit \Delta}{(1232)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , phase of ${{\mathit E}_{{2}}}/{{\mathit M}_{{1}}}$ ratio at pole

${{\mathit \Delta}{(1232)}}$ 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).

${{\mathit \Delta}{(1232)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , phase of ${{\mathit E}_{{2}}}/{{\mathit M}_{{1}}}$ ratio at pole

INSPIRE   PDGID:

B033EMP

VALUE DOCUMENT ID TECN  COMMENT • • We do not use the following data for averages, fits, limits, etc. • • $-122$ $\pm5$ ARNDT 1997 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $-127.2$ HANSTEIN 1996 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$

References:

ARNDT 1997 PR C56 577 Pion Photoproduction in the ${{\mathit \Delta}}$ Resonance Region HANSTEIN 1996 PL B385 45 The Position and the Residues of the ${{\mathit \Delta}}$ Resonance Pole in Pion Photoproduction

Except where otherwise noted, content of the 2023 Review of Particle Physics is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license. The publication of the Review of Particle Physics is supported by US DOE, MEXT (Japan), INFN (Italy), JPS and CERN. Individual collaborators receive support for their PDG activities from their respective institutes or funding agencies. © 2023. See LBNL disclaimers.