radians in a radial electrostatic field analyser is followed by a magnetic deflection
of
radians. The electrostatic analyser uses a symmetrical object-image arrangement and
the magnetic analyser is used asymmetrically.
Source:
PAC, 1991, 63, 1541
(Recommendations for nomenclature and symbolism for mass spectroscopy (including an
appendix of terms used in vacuum technology). (Recommendations 1991))
on page 1546