Thursday, June 28, 2012

Can a black hole be used as a particle detector?

Scientists at the Vienna University of Technology think it may be possible.

One of the reasons for this idea is the sheer cost and time required for the financing and building of particle accelerators. The Large Hadron Collider for instance took approx 30 years to build "at a cost of around £3.7billion".

From the Daily Mail:
The team believe that axions can circle a black hole, in a similar way to how electrons circle the nucleus of an atom, except that this time, it is gravity rather than electromagnetic force that binds the two together.
Delving briefly into the world of quantum physics, every particle is described as a wave.
The wavelength corresponds to the particle's energy. Heavy particles have small wavelengths, but the low-energy axions can have wavelengths of many kilometers.
The results of Grumiller and Mocanu show that axions can circle a black hole, similar to electrons circling the nucleus of an atom.

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