Observation of an excited charmed baryon decaying into Xi(c)(0)pi(+)
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Issue Date
1996-07Author
Ammar, Raymond G.
Baringer, Philip S.
Bean, Alice
Besson, David Zeke
Coppage, Don
Copty, N.
Davis, Robin E. P.
Hancock, N.
Kotov, S.
Kravchenko, I.
Kwak, Nowhan
Publisher
AMERICAN PHYSICAL SOC
Type
Article
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Show full item recordAbstract
Using data recorded by the CLEO II detector at the Cornell Electron Storage Ring, we report the first observation of an excited charmed baryon decaying into Xi c(0) pi(+). The state has mass difference M(Xi(c)(0) pi(+)) - M(Xi(c)(0)) of 174.3 +/- 0.5 +/- 1.0 MeV/c(2), and a width of <3.1 MeV/c(2) (90% confidence level limit). We identify the new state as the Xi(c)(*+), the isospin partner of the recently discovered Xi(c)(0*).
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Citation
Gibbons, L, Johnson, SD, et al. Observation of an excited charmed baryon decaying into Xi(c)(0)pi(+). PHYSICAL REVIEW LETTERS. July 1996. 77(5) : 810-813
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