New Delhi: Scientists have been able to recreate, in a revolutionary experiment, the so-called cosmic fireballs in the particle accelerator of CERN to examine some of the most extreme conditions of the universe. Scientists at the University of Oxford and at the Central Laser Facility in the UK employed the Super Proton Synchrotron in the HiRadMat center of CERN in creating beams of electrons and their anti-particles, positrons. These were shot by means of plasma to replicate the conditions in high-velocity cosmic jets in feeding supermassive black holes referred to as blazars.

The experiment is intended to address a long-standing mystery in the cosmos: the absence of low-energy gamma rays in the blazars in the universe that should come down as their higher-energy analogues arrive on the Earth. By recreating these conditions of high energy in the laboratory, it is hoped that scientists will gain a better insight into the creation and development of the magnetic........

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