Chou, W. and Wildman, D. and Zheng, H. and Takagi, A. (2005) Barrier RF Stacking. In: High Intensity and High Brightness Hadron Beams: 33rd ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams. AIP Conference Proceedings. No.773. American Institute of Physics , Melville, NY, pp. 291-295. ISBN 0735402582. https://resolver.caltech.edu/CaltechAUTHORS:20090918-082747689
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Abstract
A novel wideband RF system, nicknamed the barrier RF, has been designed, fabricated and installed in the Fermilab Main Injector. The cavity is made of seven Finemet cores, and the modulator made of two bipolar high-voltage fast solid-state switches. The system can deliver ±7 kV square pulses at 90 kHz. The main application is to stack two proton batches injected from the Booster and squeeze them into the size of one so that the bunch intensity can be doubled. High intensity beams have been successfully stacked and accelerated to 120 GeV with small losses. The problem of large longitudinal emittance growth is the focus of the present study. An upgraded system with two barrier RF cavities for continuous stacking is under construction. This work is part of the US-Japan collaborative agreement.
| Item Type: | Book Section | |||||||||
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| Additional Information: | ©2005 American Institute of Physics. Issue Date: 8 June 2005. In the past several years, a number of people have made contributions to this study, including J. Griffin, J. MacLachlan, K-Y. Ng, J-F. Ostiguy, C. Bhat, I. Kourbanis, Y. Mori and D. Michael. The authors would like to express their gratitude to these colleagues. This work is partly supported by the US-Japan collaboration on high intensity proton R&D. | |||||||||
| Subject Keywords: | accelerator RF systems, accelerator cavities, proton beams, brightness | |||||||||
| Series Name: | AIP Conference Proceedings | |||||||||
| Issue or Number: | 773 | |||||||||
| DOI: | 10.1063/1.1949548 | |||||||||
| Record Number: | CaltechAUTHORS:20090918-082747689 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20090918-082747689 | |||||||||
| Official Citation: | Barrier RF Stacking W. Chou, D. Wildman, H. Zheng, and A. Takagi, AIP Conf. Proc. 773, 291 (2005), DOI:10.1063/1.1949548 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 15944 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 23 Sep 2009 20:27 | |||||||||
| Last Modified: | 08 Nov 2021 23:23 |
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