${{\boldsymbol N}}$ 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

${{\boldsymbol N}{(2100)}}$ $I(J^P)$ = $1/2(1/2^{+})$

${{\boldsymbol N}{(2100)}}$ POLE POSITION
REAL PART   $2050\text{ to }2150\text{ }(\approx2100) $ MeV 
$-2{\times }$IMAGINARY PART   $240\text{ to }340\text{ }(\approx300) $ MeV 
${{\boldsymbol N}{(2100)}}$ ELASTIC POLE RESIDUE
MODULUS $\vert \mathit r\vert $   $15\text{ to }30\text{ }(\approx20) $ MeV 
PHASE $\theta $   $-100\text{ to }-60\text{ }(\approx-80) $ $^\circ{}$ 
${{\boldsymbol N}{(2100)}}$ INELASTIC POLE RESIDUE
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(2100)}}$ $\rightarrow$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(2100)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \sigma}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(2100)}}$ $\rightarrow$ ${{\mathit N}{(1535)}}{{\mathit \pi}}$
${{\mathit N}{(2100)}}$ BREIT-WIGNER MASS   $2050\text{ to }2150\text{ }(\approx2100) $ MeV 
${{\mathit N}{(2100)}}$ BREIT-WIGNER WIDTH   $200\text{ to }320\text{ }(\approx260) $ MeV 
${{\boldsymbol N}{(2100)}}$ PHOTON DECAY AMPLITUDES AT THE POLE
${{\mathit N}{(2100)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\boldsymbol N}{(2100)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES
${{\mathit N}{(2100)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
$\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$ $8 - 18\%$834
$\Gamma_{2}$ ${{\mathit N}}{{\mathit \eta}}$ seen729
$\Gamma_{3}$ ${{\mathit N}}{{\mathit \eta}^{\,'}}$ $5 - 11\%$451
$\Gamma_{4}$ ${{\mathit N}}{{\mathit \omega}}$ $10 - 25\%$600
$\Gamma_{5}$ ${{\mathit \Lambda}}{{\mathit K}}$ seen644
$\Gamma_{6}$ ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$ $20 - 40\%$814
$\Gamma_{7}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ 680
$\Gamma_{8}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$ $6 - 14\%$680
$\Gamma_{9}$ ${{\mathit N}}{{\mathit \rho}}$ 605
$\Gamma_{10}$ ${{\mathit N}}{{\mathit \rho}}$ , $\mathit S$=1/2, ${\mathit P}{\mathrm -wave}$ seen605
$\Gamma_{11}$ ${{\mathit \Lambda}}{{\mathit K}^{*}{(892)}}$ $3 - 11\%$307
$\Gamma_{12}$ ${{\mathit N}}{{\mathit \sigma}}$ $14 - 26\%$
$\Gamma_{13}$ ${{\mathit N}{(1535)}}{{\mathit \pi}}$ $26 - 34\%$478
$\Gamma_{14}$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity=1/2 $0.001 - 0.012\%$840