Observation of the phi ---> eta-prime gamma decay with four charged particles and photons in the final state - INSPIRE

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Observation of the phi ---> eta-prime gamma decay with four charged particles and photons in the final state

CMD-2

Collaboration

•

R.R. Akhmetshin
(
- Novosibirsk, IYF
)

Oct, 2000

11 pages

Published in:

Phys.Lett.B 494 (2000) 26-32

e-Print:

hep-ex/0010018 [hep-ex]

DOI:

10.1016/S0370-2693(00)01188-6

PDG:

{{\mathit \phi}{(1020)}}

\rightarrow

{{\mathit \eta}^{\,'}{(958)}}{{\mathit \gamma}}

Experiments:

NOVOSIBIRSK-CMD-2

View in:

ADS Abstract Service

reference search12 citations

Citations per year

Abstract: (Elsevier)

Using 11.6 pb −1 of data collected in the energy range 0.864-1.06 GeV by CMD-2 at VEPP-2M, the rare decay mode φ → η ′ γ was observed via the decay chain η ′→ π + π − η , η → π + π − π 0 or η → π + π − γ . The following branching ratio was obtained: Br(φ→η′γ)= 4.9 +2.2 −1.8 ±0.6 ×10 −5 .

electron positron: colliding beams
electron positron: annihilation
Phi(1020): electroproduction
Phi(1020): radiative decay
eta(958): hadronic decay
Phi(1020): branching ratio
CMD
experimental results
Novosibirsk Stor2
electron positron --> Phi(1020)

References(11)

Figures(0)

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CMD-2

Collaboration

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R.R. Akhmetshin
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- Novosibirsk, IYF
)

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