On the question of nuclear track formation in plastic material

Conductometric determination of single pores in polyethylene terephthalate irradiated by heavy ions

“…Such a value represents an average over the fluctuations of the latent track diameters arising from different degree of material damage along the charged particle path. This was noted in previous works already (Schulz, 1998;Enge, 1995). With these data a resistance R=8K10' 0 9 can be estimated.…”

On the long standing question of nuclear track etch induction time: Surface-cap model

“…It has now been established that etching of nuclear tracks does not start immediately after the exposed solid state nuclear track detectors (SSNTDs) are immersed in an etchant and it takes some time before the actual etching process starts [2][3][4][5][6]. Although direct investigations of etch induction time (EIT) are few, a number of studies on track formation and chemical etching [7][8][9][10][11][12][13][14][15][16][17] provide insight for understanding of this subject. There is no unified view about the delay in the start of nuclear track etching.…”

Analysis of latent tracks for MeV protons in CR-39

“…On the other hand, the etch rate of the damaged monomer in a latent track ͑track etch rate, V T ͒ depends not only on these two factors but also depends strongly on the incident ion's energy loss properties: dE / dx = f͑Z , E͒, where Z is the charge of the ion ͑dE / dx stands here for any type of energy loss͒. 7 As the energy loss of the particle at some point of its trajeca͒ Author to whom correspondence should be addressed; electronic mail: s.kar@qub.ac.uk tory is a function of its energy at that point, etching of a latent track gives a time varying track length ͑L͒. Hence the track etch rate can be expressed as 8…”