${{\boldsymbol N}{(2220)}}$ PHOTON DECAY AMPLITUDES AT THE POLE

${{\boldsymbol N}{(2220)}}$ $\rightarrow$ ${{\boldsymbol p}}{{\boldsymbol \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$ INSPIRE search

MODULUS (GeV${}^{−1/2}$) PHASE ($^\circ{}$) DOCUMENT ID TECN  COMMENT
$ -0.233 {}^{+0.084}_{-0.044} $ -47+10-6
ROENCHEN
2014
DPWA
• • • We do not use the following data for averages, fits, limits, etc. • • •
$ 0.135 $ 114
ROENCHEN
2015A
DPWA Multichannel
  References:
ROENCHEN 2015A
EPJ A51 70 ${{\mathit \eta}}$ Photoproduction in a Combined Analysis of Pion- and Photon-Induced Reactions
ROENCHEN 2014
EPJ A50 101 Photocouplings at the Pole from Pion Photoproduction