Design, Fabrication and Measurement of the First Rounded Damped Detuned Accelerator Structure (RDDS1)

Technical Report · Thu Sep 07 04:00:00 EDT 2000

DOI:https://doi.org/10.2172/764985· OSTI ID:764985

Wang, Juwen ^[1]

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1. SLAC

As a joint effort in the JLC/NLC research program, the authors have developed a new type of damped detuned accelerator structure with optimized round-shaped cavities (RDDS). This paper discusses some important R and D aspects of the first structure in this series (RDDS1). The design aspects covered are the cell design with sub-MHz precision, HOM detuning, coupling and damping technique and wakefield simulation. The fabrication issues covered are ultra-precision cell machining with micron accuracy, assembly and diffusion bonding technologies to satisfactorily meet bookshelf, straightness and cell rotational alignment requirements. The measurements described are the RF properties of single cavities and complete accelerator section, as well as wakefields from the ASSET tests at SLAC. Finally, future improvements are also discussed.

• Research Organization: Stanford Linear Accelerator Center, Menlo Park, CA (US)
• Sponsoring Organization: USDOE Office of Energy Research (ER) (US)
• DOE Contract Number: AC03-76SF00515
• OSTI ID: 764985
• Report Number(s): SLAC-PUB-8583
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ACCELERATORS
ALIGNMENT
CAVITIES
DAMPING
DESIGN
LINEAR COLLIDERS