dorsal/arxiv
View SchemaEnergy dispersion compensation and beam loading in X-band linacs for the JLC/NLC
| Authors | R. M. Jones, V. A. Dolgashev, R. H. Miller, C. Adolphsen, J. W. Wang |
|---|---|
| Categories | |
| ArXiv ID | physics/0307034 |
| URL | https://arxiv.org/abs/physics/0307034 |
| Journal | Conf.Proc.C030512:2763,2003 |
Abstract
The shape of an RF pulse is distorted upon propagating through an X-band accelerator structure due to dispersive effects. This distortion together with beam loading introduce energy spread between 192 bunches. In order to minimize this energy spread we modify the input RF pulse shape. The pulse propagation, energy gain, and beam loading are modelled with a mode-matching computer code and a circuit model. A 2D model and a circuit model of a complete 60 cm structure, consisting of 55 cells and input and output couplers is analyzed. This structure operates with a 5pi/6 phase advance per cell. Dispersive effects for this structure are more significant than for previously studied 2pi/3 phase advance accelerating structures. Experimental results are compared with the theoretical model and excellent agreement is obtained for the propagation of an RF pulse through the structure.
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"abstract": "The shape of an RF pulse is distorted upon propagating through an X-band\naccelerator structure due to dispersive effects. This distortion together with\nbeam loading introduce energy spread between 192 bunches. In order to minimize\nthis energy spread we modify the input RF pulse shape. The pulse propagation,\nenergy gain, and beam loading are modelled with a mode-matching computer code\nand a circuit model. A 2D model and a circuit model of a complete 60 cm\nstructure, consisting of 55 cells and input and output couplers is analyzed.\nThis structure operates with a 5pi/6 phase advance per cell. Dispersive effects\nfor this structure are more significant than for previously studied 2pi/3 phase\nadvance accelerating structures. Experimental results are compared with the\ntheoretical model and excellent agreement is obtained for the propagation of an\nRF pulse through the structure.",
"arxiv_id": "physics/0307034",
"authors": [
"R. M. Jones",
"V. A. Dolgashev",
"R. H. Miller",
"C. Adolphsen",
"J. W. Wang"
],
"categories": [
"physics.acc-ph"
],
"journal_ref": "Conf.Proc.C030512:2763,2003",
"title": "Energy dispersion compensation and beam loading in X-band linacs for the JLC/NLC",
"url": "https://arxiv.org/abs/physics/0307034"
},
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