Fragmentation and Kinetic Energy Release of Ions Produced from $C_2H_5OH$

The high resolution double focusing mass spectrometer of reversed Nier-Johnson geometry was used in research of ionization and fragmentation processes of ethanol molecules $C_2H_5OH$. Using the mass-analyzed ion kinetic energy technique, fragmentation paths and kinetic energy release distributions were examined for the four fragmentation reactions: $C_2H_6O^{+} \rightarrow C_2H_5O^{+},$ $C_2H_6O^{+} \rightarrow C_2H_3O^{+},$ $CH_3O^{+} \rightarrow CH_2O^{+}$ and $CH_3O^{+} \rightarrow CHO^{+}$. For all fragment ions from these reactions mean values of kinetic energy release 〈ε〉 were determined. We calculated mean values of 〈ε〉 as 22.70 meV, 62.15 meV, 30.25 meV, and 117.20 meV for $C_2H_5O^{+},$ $C_2H_3O^{+},$ $CH_2O^{+},$ and for $CHO^{+}$ ions, respectively.