TRANSFORMATION RATIO AT PLASMA WAKEFIELD EXCITATION BY LASER PULSE WITH RAMPING OF ITS INTENSITY ACCORDING TO COSINE. East Eur. J. Phys. [Internet]. 2014 Aug. 29 [cited 2026 Oct. 23];1(3):90-4. Available from: https://periodicals.karazin.ua/eejp/article/view/474