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Contribution Oral

H– and D– sources for fusion, accelerators and other applications

Operating Experience and Recent Updates of Negative Hydrogen Ion Source at BINP Tandem Accelerator

Speakers

  • Dr. Andrey SANIN

Primary authors

Co-authors

Content

A continuous-wave surface-plasma negative hydrogen ion source is used at 2 MeV tandem accelerator with vacuum insulation at the Budker Institute of nuclear physics since 2006 [1]. The source uses the hydrogen-cesium Penning discharge with plasma injection from hollow cathodes, and negative hydrogen ion production due to interaction of plasma particles with anode electrode surface [2]. It routinely produces dc H- beam in the range 1 ÷ 9 mA in daily runs with accelerated proton beam delivery to the lithium target of BNCT experimental device. Source parameters and maintenance statistics during long-term operation will be discussed. Recent upgrades, made for increasing beam current production and transport will be presented as well.

[1] A. Kudryavtsev, Yu. Belchenko, A. Burdakov et al. Rev. Sci. Instrum., 79, 02C709 (2008).

[2] Yu. Belchenko, A. Sanin, I. Gusev et al., Rev. Sci. Instrum., 79, 02A521 (2008).