${{\boldsymbol N}}$ BARYONS
($\boldsymbol S$ = 0, $\boldsymbol I$ = 1/2)
${{\mathit p}}$, ${{\mathit N}^{+}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit u}}$ ${\mathit {\mathit d}}$; ${{\mathit n}}$, ${{\mathit N}^{0}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit d}}$
INSPIRE search

${{\boldsymbol N}{(1650)}}$ $I(J^P)$ = $1/2(1/2^{-})$

Older and obsolete values are listed and referenced in the 2014 edition, Chinese Physics C38 070001 (2014).
${{\boldsymbol N}{(1650)}}$ POLE POSITION
REAL PART   $1640\text{ to }1670\text{ }(\approx1655) $ MeV 
$-2{\times }$IMAGINARY PART   $100\text{ to }170\text{ }(\approx135) $ MeV 
${{\boldsymbol N}{(1650)}}$ ELASTIC POLE RESIDUE
MODULUS $\vert \mathit r\vert $   $25\text{ to }55\text{ }(\approx45) $ MeV 
PHASE $\theta $   $-80\text{ to }-50\text{ }(\approx-70) $ $^\circ{}$ 
${{\boldsymbol N}{(1650)}}$ INELASTIC POLE RESIDUE
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \eta}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit K}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit K}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit \Delta}}{{\mathit \pi}}$ , ${\mathit D}{\mathrm -wave}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \sigma}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit N}{(1440)}}{{\mathit \pi}}$
${{\mathit N}{(1650)}}$ BREIT-WIGNER MASS   $1635\text{ to }1665\text{ }(\approx1650) $ MeV 
${{\mathit N}{(1650)}}$ BREIT-WIGNER WIDTH   $100\text{ to }150\text{ }(\approx125) $ MeV 
${{\boldsymbol N}{(1650)}}$ PHOTON DECAY AMPLITUDES AT THE POLE
${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\boldsymbol N}{(1650)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES
${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$   $0.035\text{ to }0.055\text{ }(\approx0.045) $ GeV${}^{−1/2}$ 
${{\mathit N}{(1650)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$   $-0.040\text{ to }0.030\text{ }(\approx-0.010) $ GeV${}^{−1/2}$ 
The following branching fractions are our estimates, not fits or averages.
$\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$ $50 - 70\%$547
$\Gamma_{2}$ ${{\mathit N}}{{\mathit \eta}}$ $15 - 35\%$348
$\Gamma_{3}$ ${{\mathit \Lambda}}{{\mathit K}}$ $5 - 15\%$169
$\Gamma_{4}$ ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$ $8 - 36\%$514
$\Gamma_{5}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ 345
$\Gamma_{6}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit D}{\mathrm -wave}$ $6 - 18\%$345
$\Gamma_{7}$ ${{\mathit N}}{{\mathit \sigma}}$ $2 - 18\%$
$\Gamma_{8}$ ${{\mathit N}{(1440)}}{{\mathit \pi}}$ $6 - 26\%$150
$\Gamma_{9}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=1/2 $0.04 - 0.20\%$558
$\Gamma_{10}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=1/2 $0.003 - 0.17\%$557