Positive ions and high radiation dose

The ion formed is very stable. In the case of TMP+, however, polymerization is possible  

Data from Givernaud, A., Gonidec, A., Maurin, G., Placci, A., Radermacher, E., Schinzel, D., and Schmidt, W.R, NucL Instrum. Methods, A321, 551, 1992. 

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