pdgLive

${{\mathit N}{(2120)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit N}{(2120)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$

VALUE (GeV${}^{−1/2}$)

DOCUMENT ID

TECN

COMMENT

$0.047$ $\pm0.009$

DPWA

Multichannel

$0.130$ $\pm0.050$

DPWA

Multichannel

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

$0.130$ $\pm0.050$

DPWA

Multichannel

¹	Statistical error only.

References:

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

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.