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The Higgs boson, sometimes called the Higgs particle, [9] [10] is an elementary particle in the Standard Model of particle physics produced by the quantum excitation of the Higgs field, [11] [12] one of the fields in particle physics theory. [12]
The search for the Higgs boson was a 40-year effort by physicists to prove the existence or non-existence of the Higgs boson, first theorised in the 1960s.The Higgs boson was the last unobserved fundamental particle in the Standard Model of particle physics, and its discovery was described as being the "ultimate verification" of the Standard Model. [1]
Standard Model of Particle Physics. The diagram shows the elementary particles of the Standard Model (the Higgs boson, the three generations of quarks and leptons, and the gauge bosons), including their names, masses, spins, charges, chiralities, and interactions with the strong, weak and electromagnetic forces.
Higgs predicted the existence of a new particle, which came to be known as the Higgs boson, in 1964. ... The collider was designed in large part to find Higgs' particle. It produces collisions ...
Higgs predicted the existence of a new particle, which came to be known as the Higgs boson, in 1964. He theorized there must be a subatomic particle of certain dimension that would explain how other particles — and therefore all the stars and planets in the universe — acquired mass.
On 4 July 2012, two of the experiments at the LHC (ATLAS and CMS) both reported independently that they had found a new particle with a mass of about 125 GeV/c 2 (about 133 proton masses, on the order of 10 −25 kg), which is "consistent with the Higgs boson". [47] [48] On 13 March 2013, it was confirmed to be the searched-for Higgs boson. [49 ...
In the Standard Model of particle physics, the Higgs mechanism is essential to explain the generation mechanism of the property "mass" for gauge bosons.Without the Higgs mechanism, all bosons (one of the two classes of particles, the other being fermions) would be considered massless, but measurements show that the W +, W −, and Z 0 bosons actually have relatively large masses of around 80 ...
The Higgs boson is believed to have a mass of approximately 125 GeV/c 2. [16] The statistical significance of this discovery was reported as 5 sigma, which implies a certainty of roughly 99.99994%. In particle physics, this is the level of significance required to officially label experimental observations as a discovery. Research into the ...