X-ray emission associated with radiative recombination for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mi mathvariant="normal">Pb</mml:mi><mml:mrow><mml:mn>82</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:math> ions at threshold energies
Physical review. A/Physical review, A