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Fitted peak cross section.
The cross section of the process e+e- -> pi+pi-pi0. The value of fitted peak cross section was additionaly corrected by 3.5% for the nuclear interaction loss and 1.2% for Br(pi0->e+e-gamma)
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ASSUMING ABS(GE)=ABS(GM).
No description provided.
No description provided.
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Fitted peak cross section. The ISR radiative correction was included in the fitted resonance formula, while the measured cross section data vs energy as shown on Figure 1 are without radiative correction.
Visible cross section. The ISR radiative correction wasn't applied for these points and was included in definition of the fitted function to extract the peak value.
On the electron-positron storage ring VEPP-2M using the Cryogenic Magnetic Detector, the cross section of the e+e- -> π+π-π0 process was measured in the energy range 2x420-2x510 MeV. The energy dependence of the cross section is consistent with the predictions of the vector dominance model taking into account the interference of omega and phi mesons. The optimal value of the omega-phi interference phase is 136+-36+-10 degree.
The Born cross section of the process e+e- -> pi+pi-pi0.