Fast Transverse Beam Instability Caused by Electron Cloud Trapped in Combined Function Magnets
This thesis presents profound insights into the origins and dynamics of beam instabilities using both experimental observations and numerical simulations. When the Recycler Ring, a high-intensity proton beam accelerator at Fermi National Accelerator Laboratory, was commissioned, it became evident th...
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| Main Author: | |
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| Format: | Electronic eBook |
| Language: | English |
| Published: |
Cham :
Springer International Publishing,
2018.
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| Edition: | 1st ed. 2018. |
| Series: | Springer Theses, Recognizing Outstanding Ph.D. Research,
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| Subjects: | |
| ISBN: | 9783030024086 |
| ISSN: | 2190-5053 |
| Online Access: |
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| 020 | |a 9783030024086 | ||
| 024 | 7 | |a 10.1007/978-3-030-02408-6 |2 doi | |
| 035 | |a CVTIDW09276 | ||
| 040 | |a Springer-Nature |b eng |c CVTISR |e AACR2 | ||
| 041 | |a eng | ||
| 100 | 1 | |a Antipov, Sergey A. |4 aut | |
| 245 | 1 | 0 | |a Fast Transverse Beam Instability Caused by Electron Cloud Trapped in Combined Function Magnets |h [electronic resource] / |c by Sergey A. Antipov. |
| 250 | |a 1st ed. 2018. | ||
| 260 | 1 | |a Cham : |b Springer International Publishing, |c 2018. | |
| 300 | |a XI, 88 p. 69 illus., 55 illus. in color. |b online resource. | ||
| 490 | 1 | |a Springer Theses, Recognizing Outstanding Ph.D. Research, |x 2190-5053 | |
| 500 | |a Physics and Astronomy | ||
| 505 | 0 | |a Chapter1. Electron Cloud in Particle Accelerators -- Chapter2. Beam Dynamics Measurements of the Fast Instability -- Chapter3. Microwave Measurement of the Cloud Density -- Chapter4. Numerical Simulation -- Chapter5. Analytical Model of the Electron Cloud Instability -- Chapter6. Conclusion. | |
| 516 | |a text file PDF | ||
| 520 | |a This thesis presents profound insights into the origins and dynamics of beam instabilities using both experimental observations and numerical simulations. When the Recycler Ring, a high-intensity proton beam accelerator at Fermi National Accelerator Laboratory, was commissioned, it became evident that the Recycler beam experiences a very fast instability of unknown nature. This instability was so fast that the existing dampers were ineffective at suppressing it. The nature of this phenomenon, alongside several other poorly understood features of the beam, became one of the biggest puzzles in the accelerator community. The author investigated a hypothesis that the instability arises from an interaction with a dense cloud of electrons accompanying the proton beam. He studied the phenomena experimentally by comparing the dynamics of stable and unstable beams, by numerically simulating the build-up of the electron cloud and its interaction with the beam, and by constructing an analytical model of an electron cloud-driven instability with the electrons trapped in combined-function dipole magnets. He has devised a method to stabilize the beam by a clearing bunch, which conclusively revealed that the instability is caused by the electron cloud, trapped in a strong magnetic field. Finally, he conducted measurements of the microwave propagation through a single dipole magnet. These measurements have confirmed the presence of the electron cloud in combined-function magnets. | ||
| 650 | 0 | |a Particle acceleration. | |
| 650 | 0 | |a Magnetism. | |
| 650 | 0 | |a Magnetic materials. | |
| 650 | 0 | |a Superconductivity. | |
| 650 | 0 | |a Superconductors. | |
| 650 | 0 | |a Physics. | |
| 856 | 4 | 0 | |u http://hanproxy.cvtisr.sk/han/cvti-ebook-springer-eisbn-978-3-030-02408-6 |y Vzdialený prístup pre registrovaných používateľov |
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| 919 | |a 978-3-030-02408-6 | ||
| 974 | |a andrea.lebedova |f Elektronické zdroje | ||
| 992 | |a SUD | ||
| 999 | |c 275066 |d 275066 | ||