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${{\mathit \Delta}}$ BARYONS ($\mathit S$ = 0, $\mathit I$ = 3/2) ${{\mathit \Delta}^{++}}$ = ${{\mathit u}}{{\mathit u}}{{\mathit u}}$, ${{\mathit \Delta}^{+}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit u}}$ ${\mathit {\mathit d}}$, ${{\mathit \Delta}^{0}}$ = ${\mathit {\mathit u}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit d}}$, ${{\mathit \Delta}^{-}}$ = ${\mathit {\mathit d}}$ ${\mathit {\mathit d}}$ ${\mathit {\mathit d}}$

INSPIRE   JSON PDGID: B117

${{\mathit \Delta}{(1920)}}$ $I(J^P)$ = $3/2(3/2^{+})$

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

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▸  exp ${{\mathit \Delta}{(1920)}}$ POLE POSITION

REAL PART 1850 TO 1950 $(\approx 1900 )$ MeV

$-2{\times }$IMAGINARY PART 200 TO 400 $(\approx 300 )$ MeV

▸  exp ${{\mathit \Delta}{(1920)}}$ ELASTIC POLE RESIDUE

MODULUS $\vert \mathit r\vert $ 15 TO 35 $(\approx 25 )$ MeV

PHASE $\theta $ -150 TO -50 $(\approx -100 )$ $^\circ{}$

▸  exp ${{\mathit \Delta}{(1920)}}$ INELASTIC POLE RESIDUE

Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit \Delta}}{{\mathit \eta}}$

Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit K}}$

Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit \Delta}}{{\mathit \pi}}$, ${\mathit P}{\mathrm -wave}$

Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit \Delta}}{{\mathit \pi}}$, ${\mathit F}{\mathrm -wave}$

Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit N}{(1535)}}{{\mathit \pi}}$

Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit a}_{{{0}}}{(980)}}$

Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit N}{(1440)}}{{\mathit \pi}}$

Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit N}{(1520)}}{{\mathit \pi}}$, ${\mathit S}{\mathrm -wave}$

${{\mathit \Delta}{(1920)}}$ BREIT-WIGNER MASS 1870 TO 1970 $(\approx 1920 )$ MeV

${{\mathit \Delta}{(1920)}}$ BREIT-WIGNER WIDTH 240 TO 360 $(\approx 300 )$ MeV

▸  exp ${{\mathit \Delta}{(1920)}}$ PHOTON DECAY AMPLITUDES AT THE POLE

${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$

${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$

▸  exp ${{\mathit \Delta}{(1920)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$

${{\mathit \Delta}{(1920)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-3/2 amplitude A$_{3/2}$

${{\mathit \Delta}{(1920)}}$ 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)   $\Gamma_{1}$ ${{\mathit N}}{{\mathit \pi}}$ $(5 - 20) \%$ 723   $\Gamma_{2}$ ${{\mathit \Sigma}}{{\mathit K}}$ $(2 - 6) \%$ 431   $\Gamma_{3}$ ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$ >46 $\%$ 699   $\Gamma_{4}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ >46 $\%$ 553   $\Gamma_{5}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$ $(2 - 28) \%$ 553   $\Gamma_{6}$ ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ , ${\mathit F}{\mathrm -wave}$ $(44 - 72) \%$ 553   $\Gamma_{7}$ ${{\mathit N}{(1440)}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$ $(4 - 86) \%$ 403   $\Gamma_{8}$ ${{\mathit N}{(1520)}}{{\mathit \pi}}$ , ${\mathit S}{\mathrm -wave}$ <5 $\%$ 341   $\Gamma_{9}$ ${{\mathit N}{(1535)}}{{\mathit \pi}}$ <2 $\%$ 328   $\Gamma_{10}$ ${{\mathit N}}{{\mathit a}_{{{0}}}{(980)}}$ seen 41   $\Gamma_{11}$ ${{\mathit \Delta}{(1232)}}{{\mathit \eta}}$ $(5 - 17) \%$ 336   $\Gamma_{12}$ ${{\mathit N}}{{\mathit \gamma}}$ $(0.01 - 0.84) \%$ 731   $\Gamma_{13}$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity=1/2 $(0.0 - 0.42) \%$ 731   $\Gamma_{14}$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity=3/2 $(0.01 - 0.42) \%$ 731