The lead-copper option for heavy ion accelerating cavities: history, status, and future prospects

Superconducting radio-frequency (SRF) cavities have been used to accelerate heavy ion beams for the last quarter century. Over this period devices based on pure lead or a lead-tin alloy electrodeposited on to a copper structure have been a viable alternative to solid niobium cavities, with many comp...

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Bibliographic Details
Main Author: Noe, John W.
Format: Conference Proceeding
Language:English
Subjects:
BEAM OPTICS
COPPER
ELECTRODEPOSITION
HEAVY IONS
ION BEAMS
LEAD
LINEAR ACCELERATORS
NIOBIUM
PARTICLE ACCELERATORS
RADIOWAVE RADIATION
RF SYSTEMS
SOLIDS
STABILITY
SUPERCONDUCTING CAVITY RESONATORS
THIN FILMS
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Summary:Superconducting radio-frequency (SRF) cavities have been used to accelerate heavy ion beams for the last quarter century. Over this period devices based on pure lead or a lead-tin alloy electrodeposited on to a copper structure have been a viable alternative to solid niobium cavities, with many comparative advantages such as lower unit cost, ease of re-coating and better thermal stability. We review the historical development, current status and future prospects of the lead-based SRF technology in the context of recent advances in solid and thin-film niobium.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.58970