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Home News Latest The particle accelerator at CERN has created a mini Big Bang
The particle accelerator at CERN has created a mini Big Bang PDF Print E-mail
Written by Natascia   
Wednesday, 10 November 2010 15:03
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The particle accelerator at CERN has created a mini Big Bang, by colliding lead ions, instead of the protonilor.Oamenii scientists working on LHC successful performance on Nov. 7.

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The experiment created temperatures a million times hotter than the center of the sun. LHC is a 27km long circular tunnel under the border between France and Switzerland near Geneva. So far, the largest accelerator in the world of collisions between protons done in an attempt to solve some mysteries of the universe dinstre. In the next four weeks, researchers will focus on studying the effects resulting from collisions of lead ions. One of the LHC experiments, ALICE, was created specifically for lead ion collisions, but experiments ATLAS and Compact Muon Solenoid also received this new mission. David Evans, from Birmingham University is one of the scientists working on the ALICE. He said that after ion collisions have achieved the largest ever produced temperatures and densities from an experiment. "The trial took place in a safe, controlled and generated sub-atomic fireballs hot and dense, with temperatures above 10 degrees trillion, a million times more than in the center of the sun," said Evans . "At these temperatures, even protons and neutrons that make up the nuclei of atoms, melt into a thick soup of quarks and gluons, known as quark-gluon plasma," explained researcher. Scientists believe that this type of plasma existed immediately after the Big Bang and wish to study in detail. They'll have [learn more about the so-called strong force, the force that binds nuclei and is responsible for 98% of their mass. After they finish the collisions between ions, will return to those of protons.

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