Measurements of J/psi decays into 2(pi+ pi-) eta and 3(pi+ pi-) eta - INSPIRE

DataBETA

Measurements of J/psi decays into 2(pi+ pi-) eta and 3(pi+ pi-) eta

BES

Collaboration

Nov, 2004

11 pages

Published in:

Phys.Lett.B 610 (2005) 192-198

e-Print:

hep-ex/0411073 [hep-ex]

DOI:

10.1016/j.physletb.2005.02.004

PDG:

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

\rightarrow

{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}

{{\mathit \eta}}

Experiments:

BEPC-BES

View in:

ADS Abstract Service

reference search9 citations

Citations per year

Abstract: (Elsevier)

Based on a sample of 5.8×107 J/ψ events taken with the BESII detector, the branching fractions of J/ψ→2(π+π−)η and J/ψ→3(π+π−)η are measured for the first time to be (2.26±0.08±0.27)×10−3 and (7.24±0.96±1.11)×10−4 , respectively.

13.40.Hq
13.25.Gv
14.40.Gx
electron positron: colliding beams
electron positron: annihilation
J/psi(3100): hadroproduction
J/psi(3100): hadronic decay
pi: multiple production
eta: radiative decay
J/psi(3100): branching ratio

References(9)

Figures(0)

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