Fig. D.1
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Variation with temperature of the broadening rate (w/nHe) of the 4P3/2-4s (blue) and 4P1/2-4s (red) resonance lines of K perturbed by He collisions. Blank et al. (2012) is shown in green and this work (SC) is shown in red. The rates are in units of 10−20 cm−1/cm−3.
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