The $φ(1020)\toπ^0π^0γ$ decay

Details The $φ(1020)\toπ^0π^0γ$ decay The $φ(1020)\toπ^0π^0γ$ decay

2000-05-11

arxiv.org/abs/hep-ex/0005017v1

Phys.Lett.B485:349-356,2000

Physics

High Energy Physics

High Energy Physics - Experiment

15 pages, 5 figure, 4 table, Submitted to Phys. Lett. B

Scientific paper

10.1016/S0370-2693(00)00705-X

In the SND experiment at VEPP-2M $e^+e^-$ collider the
$\phi(1020)\to\pi^0\pi^0\gamma$ decay was studied and its branching ratio was
measured: $B(\phi\to\pi^0\pi^0\gamma)=(1.221\pm 0.098\pm0.061)\cdot10^{-4}$. It
was shown, that $f_0(980)\gamma$ intermediate state dominates in this decay and
the $f_0(980)$-meson parameters were obtained.

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