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

Technical Report · Thu Dec 31 00:00:00 EST 1998

DOI:https://doi.org/10.2172/335188· OSTI ID:335188

Kishiyama, K; Shen, S; Behne, D ^[1]; Wilson, N G ^[2]; Schrage, D; Valdiviez, R ^[3]

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1. Lawrence Livermore National Lab., CA (United States)
2. AMPARO Inc., Los Alamos, NM (United States)
3. Los Alamos National Lab., NM (United States)

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.

• Research Organization: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: W-7405-ENG-36
• OSTI ID: 335188
• Report Number(s): LA-UR-98-3551; CONF-980827-; ON: DE99002324; TRN: 99:005042
• Resource Relation: Conference: 19. international linac conference, Chicago, IL (United States), 23-28 Aug 1998; Other Information: PBD: [1998]
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
QUADRUPOLE LINACS
VACUUM SYSTEMS
PROTON BEAMS
VACUUM PUMPS
PERFORMANCE TESTING
EXPERIMENTAL DATA