Studies of xi (2230) in J / psi radiative decays

Bai, J.Z.; Chen, G.P.; Chen, H.F.; Chen, S.J.; Chen, S.M.; Chen, Y.; Chen, Y.B.; Chen, Y.Q.; Cheng, B.S.; Cui, X.Z.

doi:10.1103/PhysRevLett.76.3502

Studies of xi (2230) in J / psi radiative decays

BES

Collaboration

•

J.Z. Bai
(
- Beijing, Inst. High Energy Phys. and
- Hefei, CUST and
- Shandong U.
)

1996

4 pages

Published in:

Phys.Rev.Lett. 76 (1996) 3502-3505

DOI:

10.1103/PhysRevLett.76.3502

PDG:

{{\mathit J / \psi}{(1S)}}

\rightarrow

{{\mathit \gamma}}{{\mathit f}_{{{J}}}{(2220)}}

\rightarrow

{{\mathit \gamma}}{{\mathit \pi}}{{\mathit \pi}}

reference search146 citations

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Abstract: (APS)

The BES experiment at the Beijing electron-positron collider has observed the ξ(2230) signal in π+π−, K+K−, KS0KS0, and pp¯ final states with 4.6σ, 4.1σ, 4.0σ, and 3.8σ statistical significances, respectively. The new observations of two nonstrange decay modes of ξ→π+π− and pp¯ are important evidence for the glueball interpretation of the ξ(2230).

electron positron: colliding beams
colliding beams: electron positron
J/psi(3100): electroproduction
electroproduction: J/psi(3100)
J/psi(3100): radiative decay
radiative decay: J/psi(3100)
postulated particle: f4(2220)
f4(2220): hadronic decay
hadronic decay: f4(2220)
f4(2220): decay modes

References(27)

Figures(0)

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