Azimuthal asymmetry of coherent Cherenkov radiation from a tilted bunch
| Parent link: | Physics Letters A Vol. 383, iss. 9.— 2018.— [6 p.] |
|---|---|
| Main Author: | Gogolev S. Yu. Sergey Yurevich |
| Corporate Authors: | Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение ядерно-топливного цикла, Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов |
| Other Authors: | Potylitsyn A. P. Alexander Petrovich |
| Summary: | Title screen Modern accelerator technologies may provide electron beams consisting of ultrashort bunches with transverse sizes, which are much larger than longitudinal sizes. The spectral-angular characteristics of coherent Cherenkov radiation (CChR) produced by such bunches have thus been considered. We simulated the characteristics of CChR and those from a single charge on the basis of the polarization current model, which allowed us to consider finite sizes for the Cherenkov radiator. We calculated the angular distribution of the CChR from a bunch tilted by angle ?, with respect to the velocity direction, with the assumption of a 3-D Gaussian charge distribution in the bunch. Contrary to the azimuthally symmetrical distribution of conventional ChR, a strong azimuthal asymmetry was observed in the CChR from the tilted bunch. The maximal yield of the CChR may be achieved if the tilt angle ? coincides with the Cherenkov angle , Яc is the charge velocity and n is the refraction index. Режим доступа: по договору с организацией-держателем ресурса |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://doi.org/10.1016/j.physleta.2018.12.004 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=659028 |
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