Editor's note: Physicists at the European Center for Nuclear Research used the Large Hadron Collider (LHC) to conduct proton-lead ion collision experiments to create the smallest artificial droplet ever. Scientists say that the "flowing" of these "mini" droplets is very similar to the behavior of quark-gluon plasma, which is a state of matter, a subatomic particle that makes up protons and neutrons Mixing only exists under extremely high temperature and density conditions.
According to a report by the British "Daily Mail" on May 20, physicists at the European Nuclear Research Center used the Large Hadron Collider (LHC) to perform proton-lead ion collision experiments, creating the smallest man-made Droplets. They believe that this droplet is very similar to the original state of the quark-gluon plasma that appeared immediately after the Big Bang, so it helps to reveal the mystery of the formation of the universe.
Scientists created this subatomic structure similar to the blood splash effect by igniting proton "bullets" at a rate close to the speed of light. This "short-lived" droplet is only 3 to 5 protons in size, one hundred thousandth the size of a hydrogen atom, and one hundred millionth the size of a virus.
Scientists say that the "flowing" of these "mini" droplets is very similar to the behavior of quark-gluon plasma, which is a state of matter, a subatomic particle that makes up protons and neutrons Mixing only exists under extremely high temperature and density conditions. It is reported that about 13.82 billion years ago, a moment after the entire universe, this kind of plasma may have been "a flash in the pan". At that time, the temperature and density of the universe were much higher than now.
Since the universe has been expanding and cooling over the past billions of years, scientists can only create this kind of primary plasma by hitting the nuclei together with huge energy.
In 2010, the Large Hadron Collider had collided with lead ions and lead ions, revealing the special situation of the big bang instantaneously. At that time, scientists also put the proton-lead ion collision test on the agenda, but because the weight of the proton is only 208 times that of the lead ion, scientists generally believe that the energy released by the proton-lead ion collision is not enough to produce This rare physical state. As the leader of the study, Julia Wilkoska, a professor of physics at Vanderbilt University in the US, said: "No matter what substance we use, the collision must be violent enough to produce about 50 Subatomic particles. "
Therefore, scientists did not expect to find any evidence of plasma. However, after analyzing billions of collisions, they found that hundreds of collisions produced more than 300 flowing particles.
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