pdgLive Home   >   ${{\mathit N}}$ BARYONS ($\mathit S$ = 0, $\mathit I$ = 1/2)   >   ${{\mathit N}{(2190)}}$   >   ${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , ratio of helicity amplitudes A$_{3/2}/A_{1/2}$

${{\mathit N}{(2190)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , ratio of helicity amplitudes A$_{3/2}/A_{1/2}$

INSPIRE   PDGID:

B071A01

VALUE DOCUMENT ID TECN  COMMENT • • We do not use the following data for averages, fits, limits, etc. • • $-0.17$ $\pm0.15$ WILLIAMS 2009 IPWA ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \omega}}$

References:

WILLIAMS 2009 PR C80 065209 Partial Wave Analysis of the Reaction ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \omega}}$ and the Search for Nucleon Resonances

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.