${{\mathit N}}$ 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:
B017

${{\mathit N}{(1990)}}$

$I(J^P)$ = $1/2(7/2^{+})$ 
Older and obsolete values are listed and referenced in the 2014 edition, Chinese Physics C38 070001 (2014).
Expand/Collapse All
▸  ${{\mathit N}{(1990)}}$ POLE POSITION
▸  ${{\mathit N}{(1990)}}$ ELASTIC POLE RESIDUE
▸  ${{\mathit \Delta}{(1990)}}$ INELASTIC POLE RESIDUE
${{\mathit N}{(1990)}}$ BREIT-WIGNER MASS 1950 TO 2100 $(\approx 2020 )$ MeV 
 
${{\mathit N}{(1990)}}$ BREIT-WIGNER WIDTH 200 TO 400 $(\approx 300 )$ MeV 
 
▸  ${{\mathit N}{(1990)}}$ PHOTON DECAY AMPLITUDES AT THE POLE
▸  ${{\mathit N}{(1990)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES
Mode  
Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$ $(2 - 6) \%$ 785
 
$\Gamma_{2}$ ${{\mathit N}}{{\mathit \eta}}$ <3 $\%$ 671
 
$\Gamma_{3}$ ${{\mathit \Lambda}}{{\mathit K}}$ $(5.9 - 6.1) \%$ 581
 
$\Gamma_{4}$ ${{\mathit p}}{{\mathit \gamma}}$ $(0.01 - 0.12) \%$ 792
 
$\Gamma_{5}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=1/2 $(0.003 - 0.042) \%$ 792
 
$\Gamma_{6}$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity=3/2 $(0.009 - 0.075) \%$ 792
 
$\Gamma_{7}$ ${{\mathit n}}{{\mathit \gamma}}$ $(0.01 - 0.16) \%$ 791
 
$\Gamma_{8}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=1/2 $(0.003 - 0.066) \%$ 791
 
$\Gamma_{9}$ ${{\mathit n}}{{\mathit \gamma}}$ , helicity=3/2 $(0.003 - 0.098) \%$ 791