Abstract

Range straggling of low-energy electrons has been calculated by employing a collision-by-collision approach and a convolution technique. Application is made to N/sub 2/ using the detailed oscillator distribution of Meath et al. At 500 eV the mean free path of an inelastic collision is 1.7 x 10/sup -7/ g cm/sup -2/ and 24 collisions are needed to degrade the energy to 35 eV. The so-defined mean range is 3.0 x 10/sup -6/ g cm/sup -2/, and the ratio of full width at half maxima (fwhm) of the range distribution to its most probable value is 0.5. 12 references, 2 figures.

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