Testing of vacuum pumps for the Accelerator Production of Tritium/Low Energy Demonstration Accelerator radio frequency quadrupole | Zendy

K. Kishiyama | Zendy; S. Shen | Zendy; D. Behne | Zendy; N.G. Wilson | Zendy; D. Schrage | Zendy; R. Valdiviez | Zendy

Open Access

Testing of vacuum pumps for the Accelerator Production of Tritium/Low Energy Demonstration Accelerator radio frequency quadrupole

Author(s) -

K. Kishiyama,

S. Shen,

D. Behne,

N.G. Wilson,

D. Schrage,

R. Valdiviez

Publication year - 1998

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/335188

Subject(s) - radio frequency quadrupole , cryopump , getter , nuclear engineering , radio frequency , quadrupole , linear particle accelerator , rf power amplifier , particle accelerator , physics , beam (structure) , vacuum pump , nuclear physics , materials science , electrical engineering , engineering , optics , optoelectronics , atomic physics , amplifier , cmos , quantum mechanics

Two vacuum systems were designed and built for the RFQ (Radio Frequency Quadrupole) cavity in the APT/LEDA (Low Energy Demonstration Accelerator) linac. The gas load from the proton beam required very high hydrogen pump speed and capacity. The gas load from the high power RF windows also required very high hydrogen pump speed for the RF window vacuum system. Cryopumps were chosen for the RFQ vacuum system and ST185 sintered non-evaporable getter (NEG) cartridges were chosen for the RF window vacuum system. Hydrogen pump speed and capacity measurements were carried out for a commercial cryopump and a NEG pump. This paper will discuss the test procedures and the results of the measurements

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