The first HVE Tandetron™ with a nominal terminal voltage of 5 MV has been put into operation at the Universidad Autónoma de Madrid (Spain) as part of their new IBA facility. The accelerator features a coaxial structure in which the all‐solid‐state power supply is constructed around the high‐energy acceleration tube, thereby avoiding the T‐shaped tank that has characterized the HVE Tandetrons™ so far. The new IBA facility covers a number of different ion beam analysis techniques including ERD using heavy‐element time‐of‐flight, RBS, as well as an external micro‐beam for PIXE. During installation, tests have shown a stable terminal voltage of 5.5 MV. The terminal voltage ripple was deduced to be below 6 × 10−6 (RMS) for terminal voltages above 800 kV. Terminal voltage undershoot was measured to be 1.4 × 10−3 for a ∼1 kW beam at 3 MV and recovered to 1 × 10−4 within 800 ms. IBA experiments that require low energy hydrogen beams are supported by a stable terminal voltage down to 100 kV.
Performance and Applications of the first HVE 5MV Tandetron™ at the University of Madrid
D. J. W. Mous, A. Gottdang, R. G. Haitsma, G. Garcia Lopez, A. Climent‐Font, F. Agulló‐López, D. O. Boerma; Performance and Applications of the first HVE 5MV Tandetron™ at the University of Madrid. AIP Conf. Proc. 26 August 2003; 680 (1): 999–1002. https://doi.org/10.1063/1.1619877
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