Improved bunching and longitudinal emittance control in an RFQ
Robert A. Jameson, Bruce Yee-Rendon
TL;DR
This paper introduces a novel vane modulation profile in RFQs that enhances bunching and reduces longitudinal emittance, with successful tests indicating broad applicability for improved beam quality.
Contribution
The paper presents an innovative vane modulation technique that significantly improves RFQ bunching and emittance control, avoiding nonlinear effects and validated through comprehensive time-domain analysis.
Findings
Significant reduction in longitudinal emittance
Effective implementation across different RFQ models
Enhanced bunching performance
Abstract
A new approach to the longitudinal vane modulation profile in a Radio Frequency Quadrupole (RFQ) has been discovered that significantly improves bunching and longitudinal emittance control. This procedure has been successfully tested in different RFQ models with satisfactory reduction of the longitudinal emittance; thus, this advanced method can be implemented for any RFQ. Highlights: Advanced longitudinal vane modulation profile that improves bunching and longitudinal emittance control. Vane manipulation to avoid the nonlinear effects of the accelerating field inside the cell. Analysis in the full time-domain. Keywords: Radiofrequency Quadrupoles, Equipartitioning, Beam bunching.
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Taxonomy
TopicsParticle accelerators and beam dynamics · Gyrotron and Vacuum Electronics Research · Particle Accelerators and Free-Electron Lasers