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REAL PART
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$1830\text{ to }1890\text{ }(\approx1860) $ MeV
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$-2{\times }$IMAGINARY PART
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$200\text{ to }400\text{ }(\approx300) $ MeV
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MODULUS $\vert \mathit r\vert $
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$20\text{ to }30\text{ }(\approx25) $ MeV
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PHASE $\theta $
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$-180\text{ to }-80\text{ }(\approx-130) $ $^\circ{}$
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Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1910)}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit K}}$
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Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1910)}}$ $\rightarrow$ ${{\mathit \Delta}}{{\mathit \pi}}$ , ${\mathit P}{\mathrm -wave}$
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Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1910)}}$ $\rightarrow$ ${{\mathit \Delta}{(1232)}}{{\mathit \eta}}$
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Normalized residue in ${{\mathit N}}$ ${{\mathit \pi}}$ $\rightarrow$ ${{\mathit \Delta}{(1910)}}$ $\rightarrow$ ${{\mathit N}{(1440)}}{{\mathit \pi}}$
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${{\mathit \Delta}{(1910)}}$ BREIT-WIGNER MASS
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$1850\text{ to }1950\text{ }(\approx1900) $ MeV
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${{\mathit \Delta}{(1910)}}$ BREIT-WIGNER WIDTH
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$200\text{ to }400\text{ }(\approx300) $ MeV
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${{\mathit \Delta}{(1910)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
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${{\mathit \Delta}{(1910)}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$
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$0.010\text{ to }0.030\text{ }(\approx0.020) $ GeV${}^{−1/2}$
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The following branching fractions are our estimates, not fits or averages.
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Mode |
Fraction ($\Gamma_i$ / $\Gamma$) |
Scale Factor/ Conf. Level |
P (MeV/c) |
$\Gamma_{1}$ | ${{\mathit N}}{{\mathit \pi}}$ | |
$15 - 30\%$
| | 710 |
| $\Gamma_{2}$ | ${{\mathit \Sigma}}{{\mathit K}}$ | |
$4 - 14\%$
| | 410 |
| $\Gamma_{3}$ | ${{\mathit N}}{{\mathit \pi}}{{\mathit \pi}}$ | |
| | 686 |
| $\Gamma_{4}$ | ${{\mathit \Delta}{(1232)}}{{\mathit \pi}}$ | |
$34 - 66\%$
| | 539 |
| $\Gamma_{5}$ | ${{\mathit N}{(1440)}}{{\mathit \pi}}$ | |
$3 - 9\%$
| | 386 |
| $\Gamma_{6}$ | ${{\mathit \Delta}{(1232)}}{{\mathit \eta}}$ | |
$5 - 13\%$
| | 310 |
| $\Gamma_{7}$ | ${{\mathit N}}{{\mathit \gamma}}$ , helicity=1/2 | |
$0.0 - 0.02\%$
| | 718 |
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