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Phys. Rev. D 65, 071101(R) (2002) [4 pages]

Measurement of the masses and widths of the Σc++ and Σc0 charmed baryons

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M. Artuso et al. (CLEO Collaboration)
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Received 29 October 2001; published 8 March 2002

Using data recorded by the CLEO II and CLEO II.V detector configurations at CESR, we report new measurements of the masses of the Σc++ and Σc0 charmed baryons, and the first measurements of their intrinsic widths. We find M(Σc++)-M(Λc+)=167.4±0.1±0.2MeV, Γ(Σc++)=2.3±0.2±0.3MeV, and M(Σc0)-M(Λc+)=167.2±0.1±0.2MeV,Γ(Σc0)=2.5±0.2±0.3MeV, where the uncertainties are statistical and systematic, respectively.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.65.071101
DOI:
10.1103/PhysRevD.65.071101
PACS:
13.30.Eg, 14.20.Lq