Driver-witness electron beam acceleration in dielectric mm-scale capillaries; Physical Review Accelerators and Beams; Vol. 21, iss. 5
| Parent link: | Physical Review Accelerators and Beams Vol. 21, iss. 5.— 2018.— [051301, 8 p.] |
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| Співавтор: | |
| Інші автори: | , , , , , , , , |
| Резюме: | Title screen We investigated a corrugated mm-scale capillary as a compact accelerating structure in the driver-witness acceleration scheme, and suggested a methodology to measure the acceleration of the witness bunch. The accelerating fields produced by the driver bunch and the energy spread of the witness bunch in a corrugated capillary and in a capillary with a constant inner radius were measured and simulated for both on-axis and off-axis beam propagation. Our simulations predicted a change in the accelerating field structure for the corrugated capillary. Also, an approximately twofold increase of the witness bunch energy gain on the first accelerating cycle was expected for both capillaries for the off-axis beam propagation. These results were confirmed in the experiment, and the maximum measured acceleration of 170 keV/m at 20 pC driver beam charge was achieved for off-axis beam propagation. The driver bunch showed an increase in energy spread of up to 11%, depending on the capillary geometry and beam propagation, with a suppression of the longitudinal energy spread in the witness bunch of up to 15%. |
| Мова: | Англійська |
| Опубліковано: |
2018
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| Предмети: | |
| Онлайн доступ: | https://doi.org/10.1103/PhysRevAccelBeams.21.051301 |
| Формат: | Електронний ресурс Частина з книги |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=659079 |
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| 200 | 1 | |a Driver-witness electron beam acceleration in dielectric mm-scale capillaries |f K. V. Lekomtsev [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 27 tit.] | ||
| 330 | |a We investigated a corrugated mm-scale capillary as a compact accelerating structure in the driver-witness acceleration scheme, and suggested a methodology to measure the acceleration of the witness bunch. The accelerating fields produced by the driver bunch and the energy spread of the witness bunch in a corrugated capillary and in a capillary with a constant inner radius were measured and simulated for both on-axis and off-axis beam propagation. Our simulations predicted a change in the accelerating field structure for the corrugated capillary. Also, an approximately twofold increase of the witness bunch energy gain on the first accelerating cycle was expected for both capillaries for the off-axis beam propagation. These results were confirmed in the experiment, and the maximum measured acceleration of 170 keV/m at 20 pC driver beam charge was achieved for off-axis beam propagation. The driver bunch showed an increase in energy spread of up to 11%, depending on the capillary geometry and beam propagation, with a suppression of the longitudinal energy spread in the witness bunch of up to 15%. | ||
| 461 | 1 | |t Physical Review Accelerators and Beams | |
| 463 | 1 | |t Vol. 21, iss. 5 |v [051301, 8 p.] |d 2018 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a ускоряющие поля | |
| 610 | 1 | |a капилляры | |
| 610 | 1 | |a энергия | |
| 701 | 1 | |a Lekomtsev |b K. V. |g Konstantin | |
| 701 | 1 | |a Aryshev |b A. S. |g Aleksandr Sergeevich | |
| 701 | 1 | |a Tishchenko |b A. A. |g Aleksey Aleksandrovich | |
| 701 | 1 | |a Shevelev |b M. V. |c physicist |c research engineer of Tomsk Polytechnic University |f 1985- |g Mihail Viktorovich |3 (RuTPU)RU\TPU\pers\31529 | |
| 701 | 1 | |a Lyapin |b A. |g Alexey | |
| 701 | 1 | |a Boogert |b S. T. |g Stewart Takashi | |
| 701 | 1 | |a Karataev |b P. V. |c physicist |c head of the laboratory of Tomsk Polytechnic University |f 1976- |g Pavel Vladimirovich |3 (RuTPU)RU\TPU\pers\35522 | |
| 701 | 1 | |a Terunuma |b N. |g Nobihiro | |
| 701 | 1 | |a Urakawa |b J. |g Junji | |
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