The role of charge-changing collisions with impurity ions in active-beam plasma diagnostics Back to all publications Publication date 1 January 1987 Reference A.J.H. Donn and F.J. de Heer, The role of charge-changing collisions with impurity ions in active-beam plasma diagnostics, Nucl. Instrum. Methods Phys. Res., Sect B 23, 219-221 (1987) Request this article