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| Title | Influence of a Vacuum Gap on a Bunch Wakefield in a Circular Waveguide Filled up with Dielectric | |||||
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| Abstract | Analysis of electromagnetic field of a particle bunch intersecting several boundaries in a dielectric waveguide is important for the wakefield acceleration technique and other problems of accelerator physics. In previous works we investigated the case of a single boundary in a waveguide*. Now we study the electromagnetic field of the bunch moving in a dielectric circular waveguide and crossing a vacuum cavity. The main attention is given to the case when wakefield (Cherenkov radiation) is generated in dielectric. The behavior of the total field depending on distance and time is explored numerically. Analytical estimations are made as well. Influence of the vacuum gap on the wakefield is considered for different lengths of the gap. It is clarified conditions when the vacuum gap does not practically influence on the wakefield. It is noted that the quasi monochromatic wave (the Cherenkov transition radiation) generated in the vacuum region can be used for restoration of the field in the area after the gap. This effect can be achieved for some optimal parameters of the problem. | |||||
| Footnotes & References | * T.Yu. Alekhina, A.V. Tyukhtin, Phys. Rev. ST-AB, v.15, 091302 (2012); T.Yu. Alekhina, A.V. Tyukhtin, Phys. Rev. ST-AB, v.16, 081301 (2013). |
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| Paper | download TUPME054.PDF [0.420 MB / 3 pages] | |||||
| Export | download ※ BibTeX ※ LaTeX ※ Text/Word ※ RIS ※ EndNote | |||||
| Conference | IPAC2014, Dresden, Germany | |||||
| Series | International Particle Accelerator Conference (5th) | |||||
| Proceedings | Link to full IPAC2014 Proccedings | |||||
| Session | Poster Session, Messi Area | |||||
| Date | 17-Jun-14 16:00–18:00 | |||||
| Main Classification | 03 Particle Sources and Alternative Acceleration Techniques | |||||
| Sub Classification | A16 Advanced Concepts | |||||
| Keywords | vacuum, wakefield, cavity, radiation, electromagnetic-fields | |||||
| Publisher | JACoW Publishing, Geneva, Switzerland | |||||
| Editors | Christine Petit-Jean-Genaz (CERN, Geneva, Switzerland); Gianluigi Arduini (CERN, Geneva, Switzerland); Peter Michel (HZDR, Dresden, Germany); Volker RW Schaa (GSI, Darmstadt, Germany) | |||||
| ISBN | 978-3-95450-132-8 | |||||
| Published | July 2014 | |||||
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