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- W1990703970 abstract "The width of a recently discovered excited charmed-strange baryon, a candidate for a state ${mathrm{ensuremath{Xi}}}_{mathit{c}}^{mathrm{*}}$ with spin 3/2, is calculated. In the absence of configuration mixing betwen the ground-state (spin-1/2) charmed-strange baryon ${mathrm{ensuremath{Xi}}}_{mathit{c}}^{(mathit{a})}$ and the spin-1/2 state ${mathrm{ensuremath{Xi}}}_{mathit{c}}^{(mathit{s})}$ lying about 95 MeV above it, one finds ensuremath{Gamma}ifmmode tilde{}else ~{}fi{}(${mathrm{ensuremath{Xi}}}_{mathit{c}}^{mathrm{*}}$ensuremath{rightarrow}${mathrm{ensuremath{Xi}}}_{mathit{c}}^{(mathit{a})}$ensuremath{pi})=3/4ensuremath{Gamma}ifmmode tilde{}else ~{}fi{}(${mathrm{ensuremath{Pi}}}^{mathrm{*}}$ensuremath{rightarrow}ensuremath{Xi}ensuremath{pi}) and ensuremath{Gamma}ifmmode tilde{}else ~{}fi{}(${mathrm{ensuremath{Xi}}}_{mathit{c}}^{mathrm{*}}$ensuremath{rightarrow}${mathrm{ensuremath{Xi}}}_{mathit{c}}^{(mathit{s})}$ensuremath{pi})=1/4ensuremath{Gamma}ifmmode tilde{}else ~{}fi{}(${mathrm{ensuremath{Xi}}}^{mathrm{*}}$ensuremath{rightarrow}ensuremath{Xi}ensuremath{pi}), where the tilde denotes the partial width with kinematic factors removed. Assuming a kinematic factor for P-wave decay of ${mathit{p}}_{mathrm{c}.mathrm{m}.}^{3}$, one predicts ensuremath{Gamma}(${mathrm{ensuremath{Xi}}}_{mathit{c}}^{mathrm{*}}$ensuremath{rightarrow}${mathrm{ensuremath{Xi}}}_{mathit{c}}^{(mathit{a})}$ensuremath{pi})=2.3 MeV, while the ${mathrm{ensuremath{Xi}}}_{mathit{c}}^{mathrm{*}}$ensuremath{rightarrow}${mathrm{ensuremath{Xi}}}_{mathit{c}}^{(mathit{s})}$ensuremath{pi} channel is closed. Some suggestions are given for detecting the ${mathrm{ensuremath{Sigma}}}_{mathit{c}}^{mathrm{*}}$, the spin-3/2 charmed nonstrange baryon, and the ${mathrm{ensuremath{Omega}}}_{mathit{c}}^{mathrm{*}}$, the spin-3/2 charmed doubly strange baryon." @default.
- W1990703970 created "2016-06-24" @default.
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- W1990703970 date "1995-12-01" @default.
- W1990703970 modified "2023-10-16" @default.
- W1990703970 title "Charmed baryons with<i>J</i>=3/2" @default.
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- W1990703970 doi "https://doi.org/10.1103/physrevd.52.6461" @default.
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