What is the main purpose of the researches of CERN?

What is the main purpose of the researches of CERN?

CERN’s main function is to provide the particle accelerators and other infrastructure needed for high-energy physics research – as a result, numerous experiments have been constructed at CERN through international collaborations.

How rare is the Higgs boson?

ATLAS has measured a Higgs boson signal rate that is 1.5 ± 0.5 times the expectation from the Standard Model. The chance that the observed signal was caused by an unfortunate fluctuation in the background is 3.2σ – less than 1 in 1000!

What Higgs boson tells us?

The Higgs boson is the fundamental particle associated with the Higgs field, a field that gives mass to other fundamental particles such as electrons and quarks. A particle’s mass determines how much it resists changing its speed or position when it encounters a force. Not all fundamental particles have mass.

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Why is the Higgs boson important in physics?

The importance of the Higgs boson is largely that it is able to be examined using existing knowledge and experimental technology, as a way to confirm and study the entire Higgs field theory. Conversely, proof that the Higgs field and boson do not exist would have also been significant.

What do you know about CERN?

At CERN, the European Organization for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. Founded in 1954, the CERN laboratory sits astride the Franco-Swiss border near Geneva. It was one of Europe’s first joint ventures and now has 22 member states.

When did CERN discover the Higgs boson?

2012
The Higgs boson, discovered at the CERN particle physics laboratory near Geneva, Switzerland, in 2012, is the particle that gives all other fundamental particles mass, according to the standard model of particle physics.

What is the rarest particle in the universe?

Aside from being a historic first, the half-life measured for Xenon-124 is about one trillion times longer than the age of the Universe itself (13.8 billion years). This makes the radioactive decay they observed – the so-called double electron capture of Xenon-124 – the rarest process ever observed in a detector.

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What has been observed with the Higgs boson so far?

So far, the ATLAS and CMS experiments have observed the Higgs boson decays into different types of bosons such as W and Z, and heavier fermions such as tau leptons. The interaction with the heaviest quarks, the top and bottom, was measured in 2018.

Can the Higgs boson decay into two muons?

The ATLAS and CMS experiments at CERN have announced new results that show that the Higgs boson decays into two muons. The muon is a heavier copy of the electron, one of the elementary particles that constitute the matter content of the universe. While electrons are classified as a first-generation particle, muons belong to the second generation.

Are muons first generation or second generation particles?

While electrons are classified as a first-generation particle, muons belong to the second generation. The physics process of the Higgs boson decaying into muons is a rare phenomenon as only about one Higgs boson in 5,000 decays into muons.

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