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Music of antimatter

30.08.2013

Specialists from the CERN laboratory and the Large Hadron Collider were able to turn antimatter vibrations into sound, so now everyone can listen to what kind of music antimatter plays.

"Music" played not quite ordinary particles. For every elementary particle, there is a corresponding antiparticle. Matter particles have the same mass as their "anti-twins", but they have the opposite electric charge. Most particles exist as either matter or antimatter, but some particles can "switch" between the two states. In their recent experiments, scientists have observed the transformation of just such particles, called B0 and B0S, from ordinary matter to antimatter and vice versa.

B0 and B0S oscillate between their existence as matter and antimatter at up to 3 million times per second. It was the moment of transition from matter to antimatter and vice versa that scientists managed to turn into sound and record a short audio track, reminiscent of the background noise of space.

There was no point in directly converting the moment of transition into sound, since the result was too high a note that a person was not able to hear. Therefore, scientists had to reduce the frequency of sound vibrations millions of times, and now we can hear what the particle "experiences" at the moment of transformation into antimatter and the reverse transformation into matter.

The video shows a graph of the transition process, accompanied by the corresponding sound. At first, only white noise is heard - random background fluctuations of particles in the detector of the Large Hadron Collider. The two peaks on the graph indicate B0 and B0S particles. The first peak is a loud B0-B0 oscillation tone, then background noise is heard, and then a B0S-B0S oscillation tone. The B0S-B0S oscillation frequency is very high, so the transition of this particle is more difficult to observe - this explains why the sound at the second peak of the graph is much quieter.

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