Observation of the charmed strange baryon c0

P. Avery,D. Besson,L. Garren,J. Yelton,T. Bowcock,K. Kinoshita,F.M. Pipkin,M. Procario,Richard Wilson,J. Wolinski,D. Xiao,A. Jawahery,C. H. Park,R. Poling,R. Fulton,P. Haas,M. Hempstead,T. Jensen,D. R. Johnson,H. Kagan,R. Kass,F. Morrow,J. Whitmore,P. Baringer,R. L. McIlwain,D. H. Miller,C. R. Ng,E. I. Shibata,W. M. Yao,D. Bortoletto,M. Goldberg,N. Horwitz,P. Lubrano,M. D. Mestayer,G. C. Moneti,V. Sharma,I. P. J. Shipsey,T. Skwarnicki,S. E. Csorna,T. Letson,M. S. Alam,D. Chen,N. Katayama,I. J. Kim,W. C. Li,X. C. Lou,C. R. Sun,V. Tanikella,I. Brock,T. Ferguson,M. Artuso,C. Bebek,K. Berkelman,E. Blucher,J. Byrd,D. G. Cassel,E. Cheu,D. M. Coffman,T. Copie,G. Crawford,R. Desalvo,J. W. DeWire,P. S. Drell,R. Ehrlich,R. S. Galik,B. Gittelman,S. W. Gray,A. M. Halling,D. L. Hartill,B. K. Heltsley,J. Kandaswamy,R. Kowalewski,D. L. Kreinick,Y. Kubota,J. D. Lewis,N. B. Mistry,J. Mueller,R. Namjoshi,S. Nandi,E. Nordberg,C. O’Grady,D. Perticone,D. Peterson,M. Pisharody,D. Riley,M. Sapper,A. Silverman,S. Stone,H. Worden,M. Worris,A. J. Sadoff

Observation of the charmed strange baryon c0

1989

P. Avery
D. Besson
L. Garren
J. Yelton
T. Bowcock
K. Kinoshita
F.M. Pipkin
M. Procario
Richard Wilson
J. Wolinski
D. Xiao
A. Jawahery
C. H. Park
R. Poling
R. Fulton
P. Haas
M. Hempstead
T. Jensen
D. R. Johnson
H. Kagan
R. Kass
F. Morrow
J. Whitmore
P. Baringer
R. L. McIlwain
D. H. Miller
C. R. Ng
E. I. Shibata
W. M. Yao
D. Bortoletto
M. Goldberg
N. Horwitz
P. Lubrano
M. D. Mestayer
G. C. Moneti
V. Sharma
I. P. J. Shipsey
T. Skwarnicki
S. E. Csorna
T. Letson
M. S. Alam
D. Chen
N. Katayama
I. J. Kim
W. C. Li
X. C. Lou
C. R. Sun
V. Tanikella
I. Brock
T. Ferguson
M. Artuso
C. Bebek
K. Berkelman
E. Blucher
J. Byrd
D. G. Cassel
E. Cheu
D. M. Coffman
T. Copie
G. Crawford
R. Desalvo
J. W. DeWire
P. S. Drell
R. Ehrlich
R. S. Galik
B. Gittelman
S. W. Gray
A. M. Halling
D. L. Hartill
B. K. Heltsley
J. Kandaswamy
R. Kowalewski
D. L. Kreinick
Y. Kubota
J. D. Lewis
N. B. Mistry
J. Mueller
R. Namjoshi
S. Nandi
E. Nordberg
C. O’Grady
D. Perticone
D. Peterson
M. Pisharody
D. Riley
M. Sapper
A. Silverman
S. Stone
H. Worden
M. Worris
A. J. Sadoff

We present evidence from the CLEO detector for the charmed strange baryon ..gamma../sub c//sup 0/. It is seen in nonresonant e/sup +/e/sup -/ annihilations at ..sqrt..s of 10.5 GeV through its decay to ..gamma../sup -/..pi../sup +/. The measured ..gamma../sub c//sup 0/ mass is 2471 +- 3 +- 4 MeV/c/sup 2/.

Keywords:

Hadron
Quark
Charmed baryons
Hyperon
Condensed matter physics
Meson
Nuclear physics
Baryon
Pion
Physics
Xi baryon
Particle decay
Particle physics

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