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Antimatter is the anti-state of normal matter. When positive and antimatter meet, the two sides annihilate each other and cancel each other, occurring ** and generating a huge amount of energy.
Positrons and negative protons are both antiparticles, and they have the same amount of electricity but opposite electricity compared to electrons and protons. Scientists imagine that there could be matter in the universe that is entirely composed of antiparticles, that is, antimatter. Electrons and antielectrons have the same mass but have opposite charges.
The same is true for protons and antiprotons. Particles and antiparticles are not only opposite in charge, but also in all other properties that can be reversed.
Extended information: 1. Protons and neutrons are collectively referred to as nucleons. The study of nuclear phenomena has found that protons can be converted into neutrons, and neutrons can also be converted into protons, but the total number of nucleons in the system is unchanged before and after the transformation. For example:
When decay occurs, the one that emits positrons is called "positive decay", and the one that emits electrons is called "negative decay". In positive decay, a proton inside the nucleus is converted into a neutron, releasing a positron and a neutrino at the same time; In negative decay, one neutron inside the nucleus transforms into a proton while releasing an electron and an antineutrino. In addition, electron capture is also a type of decay, which is called electron capture decay.
2. Antimatter is a mirror image of normal matter, normal atoms are composed of positively charged nuclei, and outside the nucleus are negatively charged electrons. However, antimatter has the exact opposite composition, having positively charged electrons and negatively charged nuclei. Fundamentally, antimatter is an inverted manifestation of matter.
Albert Einstein once predicted the existence of antimatter based on the theory of relativity: "For a matter with a mass m and an electric charge of e, there must be a substance with a mass of m and a charge of -e (i.e., antimatter)". According to the hypothesis of physicists, at the beginning of the universe, an equal amount of matter and antimatter was produced, and once the two came into contact, they would annihilate each other and cancel each other, resulting in ** and generating huge energy.
However, for some reason, today's world is largely made up of matter, and antimatter doesn't seem to exist in nature at all. The asymmetry of positive and antimatter is a major challenge for the physics community.
3. The European Space Agency's Gamma-ray Astronomical Observatory confirmed the existence of antimatter in the universe. They made a careful observation and analysis of a region of the universe. It was found that a large amount of antimatter was concentrated in this area.
In addition, the Gamma-ray Astronomical Observatory has also proved that there are many of these antimatter**, and that it is not concentrated around a certain point, but is widely distributed in the universe.
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OneBased on the phenomenon of positive and antimatter annihilation, this conclusion can be obtained:
1. Any positive and antimatter other than photons is not as stable as photons, so there is a tendency to convert to photons.
2. Electrically neutral is the most stable state of matter. The more a substance deviates from electrical neutrality, the more unstable it becomes; The closer it is to electrically neutral, the more stable it is.
3. Positive and anti-matter that can be annihilated have the same amount of charge as each other (or very close), but the electrical properties are opposite; The product of annihilation must be electrically neutral.
4. The positive and anti-matter that can be annihilated are very close to each other.
IIThe annihilation of a pair of positrons and negatives, usually converted into 2 photons, leads to this conclusion:
1. The most basic antimatter should be positrons.
2. In a closed system, the annihilation of a pair of positive and negative electrons will be converted into 2 photons; In a non-closed system, the number of photons obtained is not 2 due to the exchange of energy with the surrounding environment.
IIILet the amount of charge of a specific positive charge a be equal to the amount of charge of 10 specific negative charge b (a and b do not have volume, but the energy contained in a is significantly greater than b). Then, the substance P, which consists of 1 A and 10 B, is electrically neutral (each B is distributed on the same sphere with A as the center of the sphere).
The positron M, which is equivalent to 9 B's, is clustered around a A (which is still ultimately positively charged); Electrons n, which is equivalent to 11 b's, are clustered around an a a (which is still ultimately negatively charged). The process of annihilation, i.e., m and n meet, and the two undergo a recombination, which is converted into 2 electrically neutral p (equivalent to photons).
FourthIf the positive charge at the center of the positive and antimatter is called the central positive energy, and the negative charge gathered around the same positive charge is called the peripheral yin energy, then the following conclusions can be drawn.
1. The positive and anti-antimatter of the basis of annihilation (complex positive and anti-matter, which can be split into several basic positive and anti-matter) have exactly the same central yang energy (or very little difference) from each other, and the energy contained in them is much greater than the peripheral yin energy (so in our opinion, positive and anti-matter has the same mass and lifetime).
2. The positive and anti-matter bases that can be annihilated must be opposite to each other, and the amount of charge must be the same (or the difference is very small); And in a closed system, the sum of the energies contained in the two must be slightly greater than the energy contained in all the photons produced by annihilation.
FiveAccording to the electrical properties of positive and anti-matter, it is not difficult to know:
1. Positive and antimatter is not fixed, and the two can be converted into each other - in the visible universe, there are far more electrons than positrons; Therefore, the latter is rare, and it is called antimatter.
2. If there are far more positrons than electrons somewhere outside the visible universe, electrons will be rare, and they are antimatter.
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In physics, it refers to a negatively charged substance whose nucleus is composed of antiprotons and antineutrons. Antinucleon (antiproton and antineutron).
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What are the dangers of antimatter?
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Compared with the electrons and protons of all matter in the universe that we know, antimatter has the same electricity but opposite electricity. What happens when antimatter and positive matter meet? They will destroy each other, the two particles will disappear, and their masses will be completely transformed into particles carried by some kind of high-energy force, such as photons or gluons.
We call this process "annihilation."
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