Optimization of room temperature CH-cavity with cell-cavity approximation

li zhi-hui; ratzinger u

Volume 19 Issue 08

Aug. 2007

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(08): 0-

yuan zheng, chen tao, cao zhurong, et al. Energy dependent sensitivity of Au-coated-microchannel plate detector in X-ray range[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

li zhi-hui, ratzinger u. Optimization of room temperature CH-cavity with cell-cavity approximation[J]. High Power Laser and Particle Beams, 2007, 19.

yuan zheng, chen tao, cao zhurong, et al. Energy dependent sensitivity of Au-coated-microchannel plate detector in X-ray range[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

li zhi-hui, ratzinger u. Optimization of room temperature CH-cavity with cell-cavity approximation[J]. High Power Laser and Particle Beams, 2007, 19.

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Optimization of room temperature CH-cavity with cell-cavity approximation

li zhi-hui¹,
ratzinger u²

1.
Science School,Southwest University of Science and Technology,Mianyang 621010,China;
2.
IAP,University Frankfurt/Main,Frankfurt,Germany

Publish Date: 2007-08-15

Abstract

Abstract

Compared with the IH structure (110-mode), the CH structure (210-mode) can operate at higher frequencies (150~700 MHz) and can accelerate ions to higher energies (up to 150 MeV). Detailed microwave studio(MWS) simulations were performed for this structure. Since a multi-gap cavity can be approximated as a quasi-periodic structure, it is possible to analyze one bl/2-cell at an energy corresponding to the cavity centre. A reduced copper conductivity of 85% was adopted in effective shunt impedance calculations. Geometry variations with respect to RF frequency and shunt impedance can be performed rapidly by that method in the first stage of optimization. Using the transit time factor calculated by the beam dynamics simulation code LORASR, effective shunt impedances from 100 MΩ/m down to 45 M?
- ch structure,
- effective shunt impedance,
- mws numerical simulation,
- cell cavity approximation,
- accelerator

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