Observation of a narrow state decaying into XI(c)(+)pi(-)
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Issue Date
1995-12Author
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
Published Version
http://publish.aps.org/Metadata
Show full item recordAbstract
Using data recorded by the CLEO-II detector at Cornell Electron Storage Ring (CESR), we report the first observation of a narrow state decaying into Xi(c)(+) pi(-). The state has mass difference M(Xi(c)(+) pi(-)) - M(Xi(c)(+)) of 178.2 +/- 0.5 + 1.0 MeV/c(2), and a width of <5.5 MeV/c(2) (90% confidence level limit). The most likely explanation of this new state is that it is the Xi*(0)(c), the J(p) = 3/2+ spin excitation of the Xi(c)(0) charmed baryon.
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Citation
AVERY, P, FREYBERGER, A, et al. OBSERVATION OF A NARROW STATE DECAYING INTO XI(C)(+)PI(-). PHYSICAL REVIEW LETTERS. December 1995. 75(24) : 4364-4368
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