Low-energy beam transport studies supporting the Spallation Neutron Source 1-MW beam operationa
Conference
·
OSTI ID:1133519
- ORNL
- University of Jyvaskyla
The H- injector consisting of a cesium enhanced RF-driven ion source and a 2-lens electrostatic low-energy beam transport (LEBT) system supports the Spallation Neutron Source 1-MW beam operation with ~38 mA beam current in the linac at 60 Hz with a pulse length of up to ~1.0 ms. In this work, two important issues associated with the low-energy beam transport are discussed: 1) inconsistent dependence of the post-RFQ beam current on the ion source tilt angle, and 2) high power beam losses on the LEBT electrodes under some off-nominal conditions compromising their reliability.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC05-00OR22725
- OSTI ID:
- 1133519
- Resource Relation:
- Conference: 14th International Conference on ion Sources, Giardini Naxos, Italy, 20110912, 20110916
- Country of Publication:
- United States
- Language:
- English
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