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Evidence of phi --> pi0 pi0 gamma and phi --> pi0 eta gamma decays in SND experiment at VEPP-2M
Authors
M. N. Achasov
A. V. Berdyugin
+22Â more
A. V. Bozhenok
A. D. Bukin
D. A. Bukin
S. V. Burdin
T. V. Dimova
V. P. Druzhinin
M. S. Dubrovin
I. A. Gaponenko
V. B. Golubev
V. N. Ivanchenko
I. A. Koop
A. A. Korol
S. V. Koshuba
E. V. Pakhtusova
A. A. Salnikov
S. I. Serednyakov
V. V. Shary
Yu. M. Shatunov
V. A. Sidorov
Z. K. Silagadze
A. N. Skrinsky
Yu. V. Usov
Publication date
27 November 1997
Publisher
'AIP Publishing'
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on
arXiv
Abstract
Preliminary results on the study of e+e- --> phi(1020) --> pi0 pi0 gamma, eta pi0 gamma processes from SND experiment at VEPP-2M collider in Novosibirsk are presented. Branching ratios of rare radiative phi --> pi0 pi0 gamma and phi --> pi0 eta gamma decays are measured: B(phi --> pi0 pi0 gamma ) = (1.1 +- 0.2) * 10^-4 (invariant mass (pi0 pi0) < 800 MeV), B(phi --> eta pi0 gamma ) = (1.3 +- 0.5) * 10^-4.Comment: Talk at the HADRON97 conference, BNL, Aug 24-30 1997; LaTeX, 4 pages, 4 eps figure
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info:doi/10.1063%2F1.56103
Last time updated on 03/12/2019