Tuesday, June 22, 2010

God particle signal is simulated as sound

Simulated Higgs production at Atlas (Cern)Scientists have simulated the sounds set to be made by sub-atomic particles such as the Higgs boson when they are produced at the Large Hadron Collider.

Their aim is to develop a means for physicists at Cern to "listen to the data" and pick out the Higgs particle if and when they finally detect it.

Dr Lily Asquith modelled data from the giant Atlas experiment at the LHC.

She worked with sound engineers to convert data expected from collisions at the LHC into sounds.

"If the energy is close to you, you will hear a low pitch and if it's further away you hear a higher pitch," the particle physicist told BBC News.

"If it's lots of energy it will be louder and if it's just a bit of energy it will be quieter."

The £6bn LHC machine on the Swiss-French border is designed to shed light on fundamental questions in physics.

It is housed in a 27km-long circular tunnel, where thousands of magnets steer beams of proton particles around the vast "ring".

At allotted points around the tunnel, the beams cross paths, smashing together near four massive "experiments" that monitor these collisions for interesting events.

Scientists are hoping that new sub-atomic particles will emerge, revealing insights into the nature of the cosmos.

Atlas is one of the experiments at the LHC. An instrument inside Atlas called the calorimeter is used for measuring energy and is made up of seven concentric layers.

Each layer is represented by a note and their pitch is different depending on the amount of energy that is deposited in that layer.

The process of converting scientific data into sounds is called sonification.

Dr Asquith and her team have so far generated a number of simulations based on predictions of what might happen during collisions inside the LHC.

The team is only now feeding in real results from real experiments.

via BBC News - God particle signal is simulated as sound.

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