THE 1ST 5 YEARS EXPERIENCE WITH THE HI-13 TANDEM ACCELERATOR AT CIAE

Five years have passed since the HI-13 tandem accelerator at CIAE was accepted from HVEC in 1986. In this period, one year consisted of testing operations and four years of full operation. The highest terminal voltage reached with the ion beam was 12.6 MV using the original 72 in. inclined field tubes. The laddertron chain has accumulated about 16000 h of running time up to now. Experimental beam time is about 14600 h. More than 20 ion species have been accelerated through the machine. In this paper, the operation, maintenance and improvement of the HI-13 tandem are described.