Investigation of the Processes e e e + e e e -→ 2 → 2 → 2 (π + ππ 0 ) and e e e + e e e -→ 3 → 3 → 3 (π + π -) with the Aid of the CMD-3 Detector Abstract-The cross sections for the processes e + e − → 2(π + π − π 0 ) and e + e − → 3(π + π − ) at c.m. energies in the range of 1.5-2 GeV were measured with the aid of the CMD-3 detector at the VEPP-2000 collider of the Budker Institute of Nuclear Physics (Novosibirsk, Siberian Branch, Russian Academy of Sciences). The integrated luminosity in the respective experiment was 22 pb −1 .
VEPP-2000 is electron-positron collider exploiting the novel concept of round colliding beams. After three seasons of data taking in the whole energy range of 160 1000 MeV per beam it was stopped in 2013 for injection chain upgrade. The linking to the new BINP source of intensive beams together with booster synchrotron modernization provides the drastic luminosity gain at top energy
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