Study of $J/ψ → ωp\overline{p}$ at BESIII - INSPIRE

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Study of $J/ψ → ωp\overline{p}$ at BESIII

BESIII

Collaboration

•

M. Ablikim
(
- Beijing, Inst. High Energy Phys.
)

Mar 13, 2013

8 pages

Published in:

Phys.Rev.D 87 (2013) 11, 112004

Published: Jun 3, 2013

e-Print:

1303.3108 [hep-ex]

DOI:

10.1103/PhysRevD.87.112004

PDG:

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

\rightarrow

{{\mathit \omega}}{{\mathit X}{(1835)}}

\rightarrow

{{\mathit \omega}}{{\mathit p}}{{\overline{\mathit p}}}

Experiments:

View in:

reference search39 citations

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Abstract: (APS)

The decay J/ψ→ωpp¯ has been studied, using 225.3×106 J/ψ events accumulated at BESIII. No significant enhancement near the pp¯ invariant-mass threshold [denoted as X(pp¯)] is observed. The upper limit of the branching fraction B(J/ψ→ωX(pp¯)→ωpp¯) is determined to be 3.9×10-6 at the 95% confidence level. The branching fraction of J/ψ→ωpp¯ is measured to be B(J/ψ→ωpp¯)=(9.0±0.2(stat)±0.9(syst))×10-4.

Note:

8 pages, 4 figures

13.25.Gv
12.39.Mk
13.75.Cs
electron positron: annihilation
J/psi(3100): hadronic decay
anti-p p: mass spectrum
omega(783): radiative decay
J/psi(3100): branching ratio: measured
BES
experimental results

References(38)

Figures(4)

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)

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