Dy. Shen et al., EXTRACTION OF MEV C2+-C8+ CLUSTER BEAMS, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 348(1), 1994, pp. 47-50
Beams of C2+ -C8+ clusters have been accelerated to 3 MeV in our 1.7 M
V tandem accelerator without any modification of the machine. The beam
intensity of the smaller C-cluster is large enough for some physics e
xperiments. The change of charge from C-cluster negative ions to posit
ive ions was achieved by collisions with N2 molecules in a gas cell at
the high voltage terminal. The gas density in the stripper cell is an
important parameter for obtaining maximum C(m)+ cluster beam.