[Eng-div] Accelerator Seminar: Ed Ciapala and Erk Jensen - 8/21/2012

[Gayle Coleman]

ACCELERATOR SEMINAR

"Superconducting RF Activities at CERN"

Ed Ciapala and Erk Jensen
CERN BE-Department

Superconducting RF (SRF) has played a key role in CERN's recent flagship 
accelerators, with the 288 cavities of LEP having provided over 3,500 MV 
circumferential voltage and the 16 LHC cavities now successfully 
handling high intensity proton beams.

However, while LEP and LHC systems had relatively modest gradients by 
present-day standards, man of CERN's planned future accelerators call 
for high performance SRF systems.Ongoing work and prototyping related 
thothe HIE-IsoldeRIB facility upgrade, the Superconducting Proton 
Linac(SPL) and the LHC luminosityupgrade (HL-LHC) will be presented.The 
upgrades needed at CERN's facilities for cavity preparation, 
cryomoduleassembly and diagnostics will be described.

Studies and possible prototyping for future systems, suchas high 
harmonic RF system in LHC, a higher energy LHC (HE-LHC) and 
transformation of the LHC to a hadron-electron collider (LHeC) will be 
presented.With limited in-house resources and expertise, collaboration 
with partner labs and institutes is key to this interesting and 
challenging work.International collaborations are already well 
established fortheongoing projects (via the FP7 programof the European 
Commission and the US-LARP collaboration, e.g.), but even wider and more 
profound collaboration is desired and invited for these studies 
preparing the future.


Tuesday, Aug. 21, 2012
11:00 a.m.
CEBAF Center, Room L102


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