${{\boldsymbol N}}$ 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

${{\boldsymbol N}{(1880)}}$ $I(J^P)$ = $1/2(1/2^{+})$

${{\boldsymbol N}{(1880)}}$ POLE POSITION
REAL PART   $1820\text{ to }1900\text{ }(\approx1860) $ MeV 
$-2{\times }$IMAGINARY PART   $180\text{ to }280\text{ }(\approx230) $ MeV 
${{\boldsymbol N}{(1880)}}$ ELASTIC POLE RESIDUE
MODULUS $\vert \mathit r\vert $
PHASE $\theta $
${{\boldsymbol N}{(1880)}}$ INELASTIC POLE RESIDUE
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1880)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \eta}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1880)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit K}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1880)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit K}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1880)}}$ $\rightarrow$ ${{\mathit \Delta}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1880)}}$ $\rightarrow$ ${{\mathit N}{(1535)}}{{\mathit \pi}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1880)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit a}_{{0}}{(980)}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1880)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \sigma}}$
${{\mathit N}{(1880)}}$ BREIT-WIGNER MASS   $1830\text{ to }1930\text{ }(\approx1880) $ MeV 
${{\mathit N}{(1880)}}$ BREIT-WIGNER WIDTH   $200\text{ to }400\text{ }(\approx300) $ MeV 
${{\boldsymbol N}{(1880)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES
${{\mathit N}{(1880)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\mathit N}{(1880)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
$\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$ $3 - 9\%$698
$\Gamma_{2}$ ${{\mathit N}}{{\mathit \eta}}$ $5 - 55\%$563
$\Gamma_{3}$ ${{\mathit N}}{{\mathit \omega}}$ $12 - 28\%$377
$\Gamma_{4}$ ${{\mathit \Lambda}}{{\mathit K}}$ $12 - 28\%$459
$\Gamma_{5}$ ${{\mathit \Sigma}}{{\mathit K}}$ $10 - 24\%$389
$\Gamma_{6}$ ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$ $30 - 80\%$673
$\Gamma_{7}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ $18 - 42\%$524
$\Gamma_{8}$ ${{\mathit N}}{{\mathit \sigma}}$ $10 - 40\%$539
$\Gamma_{9}$ ${{\mathit N}{(1535)}}{{\mathit \pi}}$ $4 - 12\%$293
$\Gamma_{10}$ ${{\mathit N}}{{\mathit a}_{{0}}{(980)}}$ $1 - 5\%$-1
$\Gamma_{11}$ ${{\mathit \Lambda}}{{\mathit K}^{*}{(892)}}$ $0.5 - 1\%$-1
$\Gamma_{12}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=1/2 seen706
$\Gamma_{13}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=1/2 $0.002 - 0.63\%$705