To measure the van der Waals forces, scientists in Basel used a low - temperature atomic force microscope with a single
xenon atom on the tip.
Not exact matches
Since the experiment doesn't rely
on detecting vibrations, the
XENON team doesn't need to worry about quieting the target
atoms by cooling them to near - absolute zero.
IBM scientists first demonstrated this technique in 1990 when they discovered how to use an STM to move single
xenon atoms around
on a nickel surface — they used 35 of them to spell out «IBM».
As WIMPs pass through the tank, they should,
on very rare occasions, bump into the nucleus of a
xenon atom.
However,
xenon would not have the same effect
on the dark
atom and so the particle would go unnoticed by
XENON100.