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DCS400 DCS600 现货
DCS400 DCS600 现货
Over the past few decades, physicists have continued to deepen their understanding of the fundamental particles and their interactions in the universe. The deepening of understanding makes the standard model of particle physics more plentiful, but there are still gaps in the model, so that we can't draw a complete picture. In order to help scientists reveal the mystery of these crucial questions in particle physics, requires a lot of experimental data, the large hadron collider will assume "data provider" role, this step is very important. The Large Hadron Collider can accelerate the two protons to an unprecedented energy and then collide, the impact may bring unexpected results, absolutely no one can imagine.
Newton's unfinished work - what is quality?
What is the origin of mass? Why do tiny particles have mass, while others do not? For these problems, scientists have not yet found an exact answer. The most likely explanation seems to be found on the boson. The boson is the last known particle in the theory of particle physics, which is the cornerstone of the "standard model". As early as 1964, the Scotland physicist Peter Higgs (Peter Higgs) predicted the existence of such particles, but so far, scientists have not seen its true face of Mount Lu.
The ATLAS and CMS experiments will actively look for signs of this elusive particle.
A "invisible" question -- what constitutes the universe of 96%?
What we see in the universe - from ant to huge galaxies -- are composed of ordinary particles. These particles are collectively referred to as matter, which constitutes 4% of the universe. The rest is believed to be composed of dark matter and dark energy, and it is difficult to detect and study them. The study of the properties of dark matter and dark energy is one of the biggest challenges in particle physics and cosmology.
The ATLAS and CMS experiments will look for super symmetric particles that can be used to test a hypothesis about the formation of dark matter.
Nature's preference -- why can't we find antimatter?
We live in a world made up of matter, which is composed of matter, including our human beings. Antimatter is like a twin brother of matter, but it carries opposite charges. In the birth of the universe, the big bang produced the same amount of matter and antimatter. However, once the twins meet, they will die, and eventually converted into energy. Somehow, a small amount of matter survives and forms the universe in which we live now, and its twin antimatter is almost gone. Why can't the nature of equal justice, equality of the twin brothers?
The LHCb experiment will look for the difference between matter and antimatter to help explain why nature is so biased. Previous experiments have observed a slight difference between the two, but so far the study is not enough to explain why the universe of matter and dark matter in the number of showing a significant imbalance.
The secret of the Big Bang: what is the state of matter in the first seconds after the birth of the universe?
The material that makes up the universe is believed to be derived from a series of dense, hot particles. The common substance in the universe is made up of atoms. The atom has a nucleus composed of protons and neutrons, protons and neutrons that are bound to quarks by other particles called gluons. This binding is very powerful, but in the original universe, due to the high temperature and the energy is huge, it is difficult to glue the quarks together. That is to say, this bound seems to be formed in the "Big Bang" after the first microseconds, the universe has a composed of quarks and gluons is very hot and dense mixture, the quark gluon plasma is said".
In the ALICE experiment, the Large Hadron Collider is used to simulate the original cosmic form after the big bang, and the properties of quark gluon plasma are analyzed.
The hidden world - does it really exist?
According to Einstein's general theory of relativity, the three-dimensional space of human survival and the time axis constitute the so-called four-dimensional space. Later, the theory suggests that there may be a hidden dimension. String theory suggests that additional spatial dimensions have not yet been observed by humans, and they seem to show up at high energies. Based on this assumption, the scientists will all the data obtained by the detector carefully analyzed in order to find additional signs of the existence of the dimension.
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