Figure 5From: Quadrupole mass filter with fuzzy initial conditions (color online) The ion trajectory in z ¯ − r ¯ and z ̲ − r ̲ plans when a z = a r =0 , q z =− q r =0.4 and M=20 , blue color (solid line): z ¯ (ξ,0.8)− z ¯ (ξ,0.8) and red color (dash line): z ̲ (ξ,0.8)− z ̲ (ξ,0.8) . Back to article page