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${{\mathit N}{(1990)}}$ PHOTON DECAY AMPLITUDES AT THE POLE

${{\mathit N}{(1990)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$

INSPIRE  

MODULUS (GeV${}^{−1/2}$) PHASE ($^\circ{}$) DOCUMENT ID TECN  COMMENT $ 0.010 {}^{+0.011}_{-0.006} $ $-103 {}^{+108}_{-155}$ ROENCHEN 2014 DPWA • • We do not use the following data for averages, fits, limits, etc. • • $ 0.029 $ $67$ ROENCHEN 2015 A 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 Also EPJ A51 63 (errat.) Erratum to ROENCHEN 2014 : Photocouplings at the Pole from Pion Photoproduction

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