Measurement of the Ξc+ lifetime

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ID: 267477
2001
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Abstract
The ${\ensuremath{\Xi}}_{c}^{+}$ lifetime is measured using 9.0 ${\mathrm{fb}}^{\mathrm{\ensuremath{-}}1}$ of ${e}^{+}{e}^{\ensuremath{-}}$ annihilation data collected on and just below the $\ensuremath{\Upsilon}(4S)$ resonance with the CLEO II.V detector at CESR. This is the first measurement of the ${\ensuremath{\Xi}}_{c}^{+}$ lifetime from a collider experiment. Using an unbinned maximum likelihood fit, the ${\ensuremath{\Xi}}_{c}^{+}$ lifetime is measured to be $503\ifmmode\pm\else\textpm\fi{}47(\mathrm{stat})\ifmmode\pm\else\textpm\fi{}18(\mathrm{syst})\mathrm{fs}.$ The precision of this measurement is comparable to previous measurements carried out by fixed target experiments with different sources of systematic uncertainties.
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2001physicalmeasurement Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors
Journal physical review d
Year 2001
DOI
doi:10.1103/PhysRevD.65.031102
URL
https://doi.org/10.1103/physrevd.65.031102
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