Absolute beam flux measurement at NDCX-I using gold-melting calorimetry technique
Conference
·
OSTI ID:1012248
We report on an alternative way to measure the absolute beam flux at the NDCX-I, LBNL linear accelerator. Up to date, the beam flux is determined from the analysis of the beam-induced optical emission from a ceramic scintilator (Al-Si). The new approach is based on calorimetric technique, where energy flux is deduced from the melting dynamics of a gold foil. We estimate an average 260 kW/cm2 beam flux over 5 {micro}s, which is consistent with values provided by the other methods. Described technique can be applied to various ion species and energies.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- Accelerator& Fusion Research Division
- DOE Contract Number:
- DE-AC02-05CH11231
- OSTI ID:
- 1012248
- Report Number(s):
- LBNL-4287E; TRN: US1102253
- Resource Relation:
- Conference: PAC 11, New York, NY, March 28 to April 1, 2011
- Country of Publication:
- United States
- Language:
- English
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