Physical principles indicate that complex antimatter atomic nuclei are possible, as well as anti-atoms corresponding to the known chemical elements. For example, a positron and an antiproton can form an antihydrogen atom. Antiparticles bind with each other to form antimatter just as ordinary particles bind to form normal matter. It is pointed out that a cloud of matter repels a cloud of antimatter due to a Leidenfrost phenomenon. Setting aside the mass of any product neutrinos, which represent released energy which generally continues to be unavailable, the end result of annihilation is a release of energy available to do work, proportional to the total matter and antimatter mass, in accord with the mass-energy equivalence equation, E= mc2. An electromagnetic process is considered by which the matter-antimatter plasma was electrolyzed so that clouds of separated matter and antimatter were produced. Upon meeting, matter and antimatter annihilate one. ![]() At least, it does when it interacts with matter. The term is also used for antiparticles in general. In 1928, British physicist Paul Dirac wrote down an equation that combined quantum theory and special relativity to describe the behaviour of an electron. ![]() Encounters between particles and antiparticles lead to the annihilation of both, giving rise to varying proportions of high-energy photons, neutrinos, and lower-mass particle–antiparticle pairs. However, although the definition sounds rather standard, antimatter behaves very strangely. Antimatter is a term referring to material that would be made up of antiatoms in which antiprotons and antineutrons would form the nucleus around which positrons (antielectrons) would move. Antimatter In particle physics, antimatter is material composed of antiparticles, which have the same mass as particles of ordinary matter but have opposite charge and other particle properties such as lepton and baryon number.
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