Answers are grounded in this paper and cite their sources.
David M. Close, Robert A. Farley, W. A. Bernhard, Electron Spin Resonance of X-Irradiated Nucleic Acid Base Pairs, 1-Methyl Cytosine:5-Fluorouracil at 300 K, Radiation Research, Vol. 73, No. 2 (Feb., 1978), pp. 212-220
No takes yet. Share an insight, caveat, or question.
Close et al. (1978) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: