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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 PDGID: B071

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

Older and obsolete values are listed and referenced in the 2014 edition, Chinese Physics C38 070001 (2014).

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▸  exp ${{\mathit N}{(2190)}}$ POLE POSITION

REAL PART 1950 TO 2150 $(\approx 2050 )$ MeV

$-2{\times }$IMAGINARY PART 300 TO 500 $(\approx 400 )$ MeV

▸  exp ${{\mathit N}{(2190)}}$ ELASTIC POLE RESIDUE

MODULUS $\vert \mathit r\vert $ 20 TO 60 $(\approx 40 )$ MeV

PHASE $\theta $ -30 TO 30 $(\approx 0 )$ $^\circ{}$

▸  exp ${{\mathit N}{(2190)}}$ 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 TO 2220 $(\approx 2180 )$ MeV

${{\mathit N}{(2190)}}$ BREIT-WIGNER WIDTH 300 TO 500 $(\approx 400 )$ MeV

▸  exp ${{\mathit N}{(2190)}}$ 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$_{3/2}$

${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$

${{\mathit N}{(2190)}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$

▸  exp ${{\mathit N}{(2190)}}$ 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$_{3/2}$

${{\mathit N}{(2190)}}$ DECAY MODES
The following branching fractions are our estimates, not fits or averages.
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$ $(10 - 20) \%$ 882   $\Gamma_{2}$ ${{\mathit N}}{{\mathit \eta}}$ $(1 - 5) \%$ 785   $\Gamma_{3}$ ${{\mathit N}}{{\mathit \omega}}$ $(8 - 20) \%$ 667   $\Gamma_{4}$ ${{\mathit \Lambda}}{{\mathit K}}$ $(0.2 - 0.8) \%$ 705   $\Gamma_{5}$ ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$ $(22 - 51) \%$ 864   $\Gamma_{6}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit D}{\mathrm -wave}$ $(19 - 31) \%$ 734   $\Gamma_{7}$ ${{\mathit N}}{{\mathit \rho}}$ , $\mathit S$=3/2, ${\mathit D}{\mathrm -wave}$ <11 $\%$ 672   $\Gamma_{8}$ ${{\mathit N}}{{\mathit \sigma}}$ $(3 - 9) \%$     $\Gamma_{9}$ ${{\mathit \Lambda}}{{\mathit K}^{*}{(892)}}$ $(0.2 - 0.8) \%$ 423   $\Gamma_{10}$ ${{\mathit p}}{{\mathit \gamma}}$ <0.08 $\%$ 888   $\Gamma_{11}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=1/2 <0.06 $\%$ 888   $\Gamma_{12}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=3/2 <0.02 $\%$ 888   $\Gamma_{13}$ ${{\mathit n}}{{\mathit \gamma}}$ <0.04 $\%$ 888   $\Gamma_{14}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=1/2 <0.01 $\%$ 888   $\Gamma_{15}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=3/2 <0.03 $\%$ 888