In reply to MarkI-ZeroPoint's message of Sat, 22 Jun 2013 01:01:18 -0700: Hi, [snip] >Robin wrote: >" I would expect there to be a direct correlation between the Q and the line >width of spectral lines." > >That's one possibility... > >Another is that the actual line is much narrower than what you see, but the >frequency is varying about a mean so fast that it APPEARS to our measuring >instruments as a wider, single line.
Then the spectral lines of substances close to absolute zero should be much sharper. Papers on low temperature spectrometry? Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
