Ozone regeneration in the O-O2-O3mixture

In this paper laboratory studies of physical and chemical processes with the participation of singlet oxygen molecules O 2( a 1 ), oxygen atoms and ozone molecules have been presented. Oxygen atoms and O 2( a 1 ) molecules were generated by UV laser photolysis of ozone. Time-resolved absorption spectroscopy was used to measure the concentration of O 3. For the first time the effects of slowing down of the O 3 regeneration rate and incomplete recovery of the ozone have been detected in laboratory studies. These effects are caused by reactions of vibrationally excited ozone molecule with singlet oxygen molecule O 2( a 1 ) and oxygen atom.