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Kellerer, Albrecht M. (1970): Parameters of track structure. Proceedings of the Second L. H. Gray Conference, April 1969, Trinity College, Cambridge.




Linear energy transfer (or collision stopping power) and energy straggling along the tracks of charged particles are both relevant to the effectiveness of ionizing radiation. Energy straggling is the dominant aspect whenever one is concerned with small energy depositions ( < 1 keV) and a correction to L E T is necessary in these cases. The correction term and its relation to the spectrum of energy transfers in primary collisions is derived. Other parameters of track structure are discussed, and an analysis is mentioned which can substitute the Landau- and Vavilov-theory in the analysis of the collision spectrum.