Radio-frequency-free hybrid electrostatic/magnetostatic cell for transporting, trapping, and dissociating ions in mass spectrometers

A mass spectrometry apparatus, comprising:

• a) from a first end to a second end along an axis:
• a first conductive aperture electrically connected to a first electrical potential;
• a first magnetostatic lens;
• a second conductive aperture electrically connected to a second electrical potential, wherein the first and second conductive apertures and the magnetostatic lens define a radio-frequency-free charged particle interaction cavity that extends along the axis;
• and
• b) a source of electrons disposed between the first and second conductive apertures.