${{\mathit N}}$ 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:
B063

${{\mathit N}{(1535)}}$

$I(J^P)$ = $1/2(1/2^{-})$ 
Older and obsolete values are listed and referenced in the 2014 edition, Chinese Physics C38 070001 (2014).
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▸  ${{\mathit N}{(1535)}}$ POLE POSITION
▸  ${{\mathit N}{(1535)}}$ ELASTIC POLE RESIDUE
▸  ${{\mathit N}{(1535)}}$ INELASTIC POLE RESIDUE
${{\mathit N}{(1535)}}$ BREIT-WIGNER MASS 1515 TO 1545 $(\approx 1530 )$ MeV 
 
${{\mathit N}{(1535)}}$ BREIT-WIGNER WIDTH 125 TO 175 $(\approx 150 )$ MeV 
 
▸  ${{\mathit N}{(1535)}}$ PHOTON DECAY AMPLITUDES AT THE POLE
▸  ${{\mathit N}{(1535)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES
The following branching fractions are our estimates, not fits or averages.
Mode  
Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$ $(32 - 52) \%$ 464
 
$\Gamma_{2}$ ${{\mathit N}}{{\mathit \eta}}$ $(30 - 55) \%$ 176
 
$\Gamma_{3}$ ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$ $(4 - 31) \%$ 422
 
$\Gamma_{4}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit D}{\mathrm -wave}$ $(1 - 4) \%$ 240
 
$\Gamma_{5}$ ${{\mathit N}}{{\mathit \rho}}$ $(2 - 17) \%$ -1
 
$\Gamma_{6}$ ${{\mathit N}}{{\mathit \rho}}$ , $\mathit S$=1/2 , ${\mathit S}{\mathrm -wave}$ $(2 - 16) \%$ -1
 
$\Gamma_{7}$ ${{\mathit N}}{{\mathit \rho}}$ , $\mathit S$=3/2 , ${\mathit D}{\mathrm -wave}$ <1 $\%$ -1
 
$\Gamma_{8}$ ${{\mathit N}}{{\mathit \sigma}}$ $(2 - 10) \%$  
 
$\Gamma_{9}$ ${{\mathit N}{(1440)}}{{\mathit \pi}}$ $(5 - 12) \%$ -1
 
$\Gamma_{10}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=1/2 $(0.15 - 0.30) \%$ 477
 
$\Gamma_{11}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=1/2 $(0.01 - 0.25) \%$ 477