Improved prototype cryomodule for the CEBAF 12 GeV upgrade

被引：0

作者：

Daly, EF ^{[1
]}

Campisi, IE ^{[1
]}

Henry, J ^{[1
]}

Hicks, WR ^{[1
]}

Hogan, J ^{[1
]}

Kneisel, P ^{[1
]}

Machie, D ^{[1
]}

Reece, CE ^{[1
]}

Rothgeb, T ^{[1
]}

Sekutowicz, J ^{[1
]}

Smith, K ^{[1
]}

Whitlatch, T ^{[1
]}

Wilson, KM ^{[1
]}

Wiseman, M ^{[1
]}

机构：

[1] Thomas Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA

来源：

PROCEEDINGS OF THE 2003 PARTICLE ACCELERATOR CONFERENCE, VOLS 1-5 | 2003年

关键词：

D O I：

暂无

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

In order to provide a higher performance building block cryomodule for the CEBAF 12 GeV upgrade, modifications have been made to the design of the Upgrade Cryomodule. The prototype cryomodule will be completed in 2004 and be installed for operation in CEBAF. Design changes enable the use of higher gradient cavities to achieve greater than 100 MV per cryomodule while not exceeding the budgeted cryogenic load of 300 W during steady-state operation. They also include refinements based on experience gained during the construction of the first generation upgraded cryomodules as well as the prototype cryomodule for the Spallation Neutron Source. Two cavity designs will be used in the prototype, one optimized for E-peak/E-acc ratio, and the other optimized for minimum cryogenic load. The input waveguides, thermal shield and piping have been redesigned to accommodate the higher expected heat loads. The vacuum connections consist of niobiumtitanium flanges, aluminum-magnesium seals and stainless steel clamps to provide reliable UHV sealing. The cavity tuner features one cold motor and two piezoelectric actuators to provide coarse and fine tuning respectively.

引用

页码：1377 / 1379

页数：3

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