The researchers proposed a fairly simple method of obtaining antimatter particles with two lasers directed into a plastic block with microchannels.
Matter prevails in our universe, so antimalism cannot exist in a free state. In space, it is formed near black holes and magnets, and on Earth it can be detected after discharge of lightning or in particle accelerators, such as a large hadron collider. However, now a group of physicists from the combination of the Helmholts described a new method of obtaining antimatter, with which scientists around the world can produce it in their laboratories.
In fact, scientists have developed an installation called «laser tongs», which allows you to create and capture antiparticles. It consists of two powerful lasers aimed at each other, between which a plastic block is placed with a multitude of crossed channels of micrometer diameter.
When the lasers burn the material, it forms a cloud of free electrons, which are accelerated, falling into tiny holes. Since the channels intersect, the electron streams begin to face, producing a large amount of gamma rays, which in turn create a mass of electrons and positrons. The latter are then captured and held with a magnetic field.
According to physicists, during this process, the particle energy reaches 1 GeV, which usually requires overclocking in accelerators or magnetosphere of rapidly rotating neutron stars. So far, all this works only in the form of a model, and the team still has to create such laser tongs in the laboratory.
Researchers expect that the possibility of simple positron production will help them better understand the reasons for the disproportion of matter and antimatter in the universe, as well as to explain the recent discovery, which has shown that subatomic particles can
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