${{\boldsymbol N}}$ 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

${{\boldsymbol N}{(2190)}}$ $I(J^P)$ = $1/2(7/2^{-})$

Older and obsolete values are listed and referenced in the 2014 edition, Chinese Physics C38 070001 (2014).
${{\boldsymbol N}{(2190)}}$ POLE POSITION
REAL PART   $2050\text{ to }2150\text{ }(\approx2100) $ MeV 
$-2{\times }$IMAGINARY PART   $300\text{ to }500\text{ }(\approx400) $ MeV 
${{\boldsymbol N}{(2190)}}$ ELASTIC POLE RESIDUE
MODULUS $\vert \mathit r\vert $   $25\text{ to }70\text{ }(\approx50) $ MeV 
PHASE $\theta $   $-30\text{ to }30\text{ }(\approx0) $ $^\circ{}$ 
${{\boldsymbol N}{(2190)}}$ INELASTIC POLE RESIDUE
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit K}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit K}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \eta}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit D}{\mathrm -wave}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \sigma}}$
${{\mathit N}{(2190)}}$ BREIT-WIGNER MASS   $2140\text{ to }2220\text{ }(\approx2180) $ MeV 
${{\mathit N}{(2190)}}$ BREIT-WIGNER WIDTH   $300\text{ to }500\text{ }(\approx400) $ MeV 
${{\boldsymbol N}{(2190)}}$ PHOTON DECAY AMPLITUDES AT THE POLE
${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$
${{\boldsymbol N}{(2190)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES
${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$
${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , ratio of helicity amplitudes A$_{3/2}/A_{1/2}$
${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$
The following branching fractions are our estimates, not fits or averages.
$\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$ $10 - 20\%$882
$\Gamma_{2}$ ${{\mathit N}}{{\mathit \eta}}$ $1 - 3\%$785
$\Gamma_{3}$ ${{\mathit N}}{{\mathit \omega}}$ $8 - 20\%$667
$\Gamma_{4}$ ${{\mathit \Lambda}}{{\mathit K}}$ 705
$\Gamma_{5}$ ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$ 864
$\Gamma_{6}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ 734
$\Gamma_{7}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit D}{\mathrm -wave}$ $19 - 31\%$734
$\Gamma_{8}$ ${{\mathit N}}{{\mathit \rho}}$ 672
$\Gamma_{9}$ ${{\mathit N}}{{\mathit \rho}}$ , $\mathit S$=3/2, ${\mathit D}{\mathrm -wave}$ seen672
$\Gamma_{10}$ ${{\mathit \Lambda}}{{\mathit K}^{*}{(892)}}$ $0.2 - 0.8\%$423
$\Gamma_{11}$ ${{\mathit N}}{{\mathit \sigma}}$ $3 - 9\%$
$\Gamma_{12}$ ${{\mathit p}}{{\mathit \gamma}}$ $0.014 - 0.077\%$888
$\Gamma_{13}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=1/2 888
$\Gamma_{14}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=3/2 888
$\Gamma_{15}$ ${{\mathit n}}{{\mathit \gamma}}$ $<0.04\%$888
$\Gamma_{16}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=1/2 888
$\Gamma_{17}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=3/2 $<0.03\%$888