E+ E- --> OMEGA PI0
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rivet Analysis
Study of the Process e+ e- --> omega pi0 --> pi0 pi0 gamma in c.m. Energy Range 920--1380 MeV at CMD-2

The CMD-2 collaboration Akhmetshin, R.R. ; Aulchenko, V.M. ; Banzarov, V.Sh. ; et al.
Phys.Lett.B 562 (2003) 173-181, 2003.
Inspire Record 616446 DOI 10.17182/hepdata.41951

The cross section of the process e+ e- --> omega pi0 --> pi0 pi0 gamma has been measured in the c.m. energy range 920-1380 MeV with the CMD-2 detector. Its energy dependence is well described by the interference of the rho(770) and rho'(1450) mesons decaying to omega pi0. Upper limits for the cross sections of the direct processes e+ e- --> pi0 pi0 gamma, eta pi0 gamma have been set.

3 data tables
Table 1

Measurement of the Born cross section and the 'Bare' cross section of the process E+ E- --> OMEGA < PI0 GAMMA > PI0.

Table 2

Upper limits for the non OMEGA PI0 cross section.

Table 3

Upper limits of the ETA PI0 GAMMA cross section.


rivet Analysis
The process e+ e- --> omega pi0 --> pi0 pi0 gamma up to 1.4-GeV.

Achasov, M.N. ; Beloborodov, K.I. ; Berdyugin, A.V. ; et al.
Phys.Lett.B 486 (2000) 29-34, 2000.
Inspire Record 527752 DOI 10.17182/hepdata.41747

The cross section of the $e^+e^-\to\omega\pi^0\to\pi^0\pi^0\gamma$ reaction was measured by the SND detector at VEPP-2M $e^+e^-$ collider in the energy range from threshold up to 1.4 GeV. Results of the cross section fitting by the sum of $\rho$, $\rho^{\prime}$ and $\rho^{\prime\prime}$ contributions are presented.

1 data table
Table 1

Only statistical errors are presented.


rivet Analysis
Summary of experiments with the neutral detector at the e+ e- storage ring VEPP-2M

Dolinsky, S.I. ; Druzhinin, V.P. ; Dubrovin, M.S. ; et al.
Phys.Rept. 202 (1991) 99-170, 1991.
Inspire Record 321108 DOI 10.17182/hepdata.19310

The complete results of the experiments carried out with the Neutral Detector at the e + e − storage ring VEPP-2M in the energy range 2 E =0.5–1.4 GeV are reviewed. The data sample corresponds to a total integrated luminosity of 19 pb −1 .

17 data tables
Table 1

ND results from Dolinsky et al., PL B174 (1986) 453.. Statistical errors only are shown. There is an additional systematic errorof 8%.

Table 2

New ND data.. Statistical errors only are shown. There is an additional systematic errorof 8%.

Table 3

Averaged ND data.. Statistical errors only are shown. There is an additional systematic errorof 8%.

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