Study of the process e+e- to pi+pi-pi+pi-pi0 with CMD-2 detector
CMD-2 Collaboration
TL;DR
This study investigates the e+e- to five-pion process within 1280-1380 MeV, revealing dominant contributions from eta pi+pi- and omega pi+pi- states using CMD-2 detector data.
Contribution
It provides the first detailed analysis of the five-pion production cross section and intermediate states in this energy range.
Findings
Cross section dominated by eta pi+pi- and omega pi+pi- intermediate states.
Data collected with CMD-2 detector in Novosibirsk.
Energy range 1280-1380 MeV.
Abstract
The process e+e- to pi+ pi- pi+ pi- pi0 has been studied in the center of mass energy range 1280 -- 1380 MeV using 3.0 1/pb of data collected with the CMD-2 detector in Novosibirsk. Analysis shows that the cross section of the five pion production is dominated by the contributions of the eta pi+pi- and omega pi+pi- intermediate states.
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