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Fig. 9 | Earth, Planets and Space

Fig. 9

From: Medium-energy particle experiments–ion mass analyzer (MEP-i) onboard ERG (Arase)

Fig. 9

TOF profiles of azimuthal channel 7 for a 10-keV/q, b 40-keV/q, c 80-keV/q, and d 120-keV/q beams of H+ (m/q = 1), H2 + (m/q = 2), He+ (m/q = 4), N+ (m/q = 14), and N2 + (m/q = 28). The color histograms indicate the laboratory data, while the gray shades are the results of the numerical simulations assuming the carbon foil thickness of 5 nm. The relative counts are not significant because they are dominantly due to the ion beam intensity. The MEP-i has 512 TOF bins, and the longest wind corresponds to 400 ns (0.78125 ns/bin)

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