Early Universe Created After Big Bang Was in Liquid Form? New Experiments At LHC Creates Smallest Ever Droplets

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It may appear more of a philosophical question, but researchers working at the world's largest atom smasher have raised the question of how tiny a drop of liquid can get before it becomes a gas. The scientists at the Large Hadron Collider at CERN near Geneva, have produced what they say are the world's tiniest droplets while directing experiments to study what the early cosmos would have looked like. Researchers had been struggling to create the primordial soup of subatomic particles that occurred just after the Big Bang called the quark-gluon plasma. However, when they inspected the subsequent material, they were astonished to see that it acted more like a liquid than a gas in droplets consisted of just 100 to 200 subatomic particles.

These tiny plasma droplets were came out to be more than 100,000 times smaller than a hydrogen atom. The results also propose that the early universe may have been more like a liquid instead a ball of super-heated gas as most astrophysicists thought. Dr Shenguang Tuo, who was directing the study, said “Everyone was surprised when we began finding evidence for liquid behaviour. It caused some very intense debates.” One of the main properties of a liquid is the ability to flow by applying an attractive force on its neighbors that is not pretty strong enough to lock them together like a solid. Dr Tuo and his associates examined the data from lead-proton collisions in the LHC for connections between groups of four, six and eight of the particles thrown out by these collisions.

Dr Tuo said: “These measurements confirmed that we were seeing this coherent behaviour even in droplets producing as few as 100 to 200 particles”

The outcomes, which were issued in the journal Physical ReviewLetters.

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