${{\boldsymbol N}}$ 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

${{\boldsymbol N}{(1900)}}$ $I(J^P)$ = $1/2(3/2^{+})$ 

${{\boldsymbol N}{(1900)}}$ POLE POSITION
REAL PART   $1900\text{ to }1940\text{ }(\approx1920) $ MeV 
$-2{\times }$IMAGINARY PART   $100\text{ to }200\text{ }(\approx150) $ MeV 
${{\boldsymbol N}{(1900)}}$ ELASTIC POLE RESIDUE
MODULUS $\vert \mathit r\vert $   $2\text{ to }6\text{ }(\approx4) $ MeV 
PHASE $\theta $   $-50\text{ to }10\text{ }(\approx-20) $ $^\circ{}$ 
${{\boldsymbol N}{(1900)}}$ INELASTIC POLE RESIDUE
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \eta}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit K}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit K}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit N}{(1535)}}{{\mathit \pi}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit F}{\mathrm -wave}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit N}{(1520)}}{{\mathit \pi}}$
Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \sigma}}$
${{\mathit N}{(1900)}}$ BREIT-WIGNER MASS   $1890\text{ to }1950\text{ }(\approx1920) $ MeV 
${{\mathit N}{(1900)}}$ BREIT-WIGNER WIDTH   $100\text{ to }320\text{ }(\approx200) $ MeV 
${{\boldsymbol N}{(1900)}}$ PHOTON DECAY AMPLITUDES AT THE POLE
${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$
${{\boldsymbol N}{(1900)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES
${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$
${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
${{\mathit N}{(1900)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$
$\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$  $1 - 20\%$ 723
$\Gamma_{2}$ ${{\mathit N}}{{\mathit \eta}}$  $2 - 14\%$ 595
$\Gamma_{3}$ ${{\mathit N}}{{\mathit \eta}^{\,'}}$  $4 - 8\%$ 151
$\Gamma_{4}$ ${{\mathit N}}{{\mathit \omega}}$  $7 - 13\%$ 424
$\Gamma_{5}$ ${{\mathit \Lambda}}{{\mathit K}}$  $2 - 20\%$ 495
$\Gamma_{6}$ ${{\mathit \Sigma}}{{\mathit K}}$  $3 - 7\%$ 431
$\Gamma_{7}$ ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$  $40 - 80\%$ 699
$\Gamma_{8}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$  $30 - 70\%$ 553
$\Gamma_{9}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$  $9 - 25\%$ 553
$\Gamma_{10}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit F}{\mathrm -wave}$  $21 - 45\%$ 553
$\Gamma_{11}$ ${{\mathit N}}{{\mathit \rho}}$  432
$\Gamma_{12}$ ${{\mathit N}}{{\mathit \rho}}$ , $\mathit S$=1/2  432
$\Gamma_{13}$ ${{\mathit \Lambda}}{{\mathit K}^{*}{(892)}}$  $<$ 0.2$\%$ -1
$\Gamma_{14}$ ${{\mathit N}}{{\mathit \sigma}}$  $1 - 7\%$
$\Gamma_{15}$ ${{\mathit N}{(1520)}}{{\mathit \pi}}$  $7 - 23\%$ 341
$\Gamma_{16}$ ${{\mathit N}{(1535)}}{{\mathit \pi}}$  $4 - 10\%$ 328
$\Gamma_{17}$ ${{\mathit p}}{{\mathit \gamma}}$  $0.001 - 0.025\%$ 731
$\Gamma_{18}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=1/2  $0.001 - 0.021\%$ 731
$\Gamma_{19}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=3/2  $<0.003\%$ 731
$\Gamma_{20}$ ${{\mathit n}}{{\mathit \gamma}}$  $<0.040\%$ 730
$\Gamma_{21}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=1/2  $<0.007\%$ 730
$\Gamma_{22}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=3/2  $<0.033\%$ 730