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${{\mathit N}}$ BARYONS ($\mathit S$ = 0, $\mathit I$ = 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   JSON  (beta) PDGID: B087

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

${{\mathit N}{(1880)}}$ POLE POSITION

REAL PART   $1820\text{ to }1900\text{ }(\approx1860) $ MeV

$-2{\times }$IMAGINARY PART   $180\text{ to }280\text{ }(\approx230) $ MeV

${{\mathit N}{(1880)}}$ ELASTIC POLE RESIDUE

MODULUS $\vert \mathit r\vert $

PHASE $\theta $

${{\mathit N}{(1880)}}$ 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

${{\mathit N}{(1880)}}$ 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$_{1/2}$

${{\mathit N}{(1880)}}$ DECAY MODES
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$   $3 - 31$ $\%$ 698   $\Gamma_{2}$ ${{\mathit N}}{{\mathit \eta}}$   $1 - 55$ $\%$ 563   $\Gamma_{3}$ ${{\mathit N}}{{\mathit \omega}}$   $12 - 28$ $\%$ 377   $\Gamma_{4}$ ${{\mathit \Lambda}}{{\mathit K}}$   $1 - 3$ $\%$ 459   $\Gamma_{5}$ ${{\mathit \Sigma}}{{\mathit K}}$   $10 - 24$ $\%$ 389   $\Gamma_{6}$ ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$   $>$32 $\%$ 673   $\Gamma_{7}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$   $5 - 42$ $\%$ 524   $\Gamma_{8}$ ${{\mathit N}}{{\mathit \rho}}$ , $\mathit S$=1/2, ${\mathit P}{\mathrm -wave}$   $19 - 45$ $\%$ 385   $\Gamma_{9}$ ${{\mathit N}}{{\mathit \sigma}}$   $8 - 40$ $\%$ 539   $\Gamma_{10}$ ${{\mathit N}{(1535)}}{{\mathit \pi}}$   $4 - 12$ $\%$ 293   $\Gamma_{11}$ ${{\mathit N}}{{\mathit a}_{{0}}{(980)}}$   $1 - 5$ $\%$ -1   $\Gamma_{12}$ ${{\mathit \Lambda}}{{\mathit K}^{*}{(892)}}$   $0.5 - 1.1$ $\%$ -1   $\Gamma_{13}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=1/2   seen 706   $\Gamma_{14}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=1/2   $0.002 - 0.63\%$ 705
FOOTNOTES