The average velocity of the atoms emitting a photon at 676 nm was 3184 m/s. What is the contribution to the peak width observed due to Doppler broadening under these conditions? Please express your answer in nm and use c = 299792458.0 m/s and h = 6.62607015e-34 m^2*kg/s for your calculations. Be wary of rounded numbers on your calculator!

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