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Questionable expirement
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In a discussion on Bose Condensate and friend and I came upon the confusing information that in an expirement caused a majority of the massive particles in the substance to "disapear". Newer information refers to a subsequent expirement explaining this phenomena, though the expirement is not explained, or even touched upon. Is anyone familiar with this?
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Re: Questionable expirement
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by
on 2007-03-14 17:45:47 (edited 2007-03-14 17:46:06)
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From the wikipedia article on Bose-Einstein condensate: The atoms that seem to have disappeared are almost certainly still around in some form, just not in a form that could be detected in that current experiment. Two likely possibilities are that they have formed into molecules consisting of two bonded rubidium atoms, or they received enough energy from somewhere to fly away fast enough that they are out of the observation region before being observed.If you close your eyes, the entire observable universe (save the backs of your eyelids) disappears. Not to worry, when you open your eyes again (should you be so lucky!) the world you left will still be there just as it was (again, if your lucky). Just the same, the sun disappears form the heavens at night, but it is still out there, somewhere, waiting to rise above the horizon in the morning. It seems unlikely that the bosenova caused tuple molecules to form of 2/3 the mass in the experiment. They probably just escaped the observed region without detection. Since the experiment was setup to detect particles with low thermal energy, it seems obvious that the unexpectedly fast imploding mass would send out fast-moving particles, implicitly having a much higher thermal energy that fooled the detectors. 
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