On 4 july, researchers working with the worlds biggest atom smasherthe large hadron collider lhc in switzerlandannounced that they had spotted a particle. The full text of this article is available in pdf format. Observation of a new particle in the search for the standard. Higgs boson mass to be in the range 114129 gev, in excellent agreement with.
The higgs boson was initially discovered as new particle in 2012 by the atlas. It is named after physicist peter higgs, who in 1964, along with five other scientists, proposed the higgs mechanism to explain why particles have mass. A problem for many years has been that no experiment has observed the higgs boson to confirm the theory. Breakthrough of the yearscience has chosen the finding of the higgs boson as its breakthrough of the year. A measurement of the higgs boson mass in the diphoton decay. Implications of the higgs boson discovery emconsulte. The higgs boson is an elementary particle in the standard model of particle physics, produced. Observation of a new particle in the search for the. The higgs hunters guide is a definitive and comprehensive guide to the physics of higgs bosons. This particle is consistent with the higgs boson but it will take further work. Davvisamegiella deutsch eesti espanol esperanto euskara. Event recorded with the cms detector in 2012 at a protonproton centreofmass energy of 8 tev. Timeline the higgs, from theory to reality interactive feature. Observation of a new particle in the search for the standard model.
Higgs are jointly awarded the nobel prize in physics. The long road to find the higgs boson is littered with subatomic. Figure1 breakthrough of the year 2012 2 no recent scientific advance has generated more hoopla than this one. The higgs boson was predicted in 1964 by british physicist peter higgs. The higgs boson is an elementary particle in the standard model of particle physics, produced by the quantum excitation of the higgs field, one of the fields in particle physics theory. On 4 july 2012, the atlas and cms experiments at cerns large hadron collider announced they had each observed a new particle in the mass region around 125 gev. The event shows characteristics expected from the decay of the sm higgs boson to a pair of z bosons, one of which. Submitted on 31 jul 2012 v1, last revised 31 aug 2012 this version, v2. In particular, it discusses the extended higgs sectors required by those recent theoretical approaches that go beyond the standard model, including supersymmetry and superstringinspired models. On 4 july 2012, at the cern laboratory for particle physics, the theory was confirmed by the discovery of a higgs particle. This mechanism implies the existence of the higgs boson. Cms upgrade will shine light on higgs boson cornell chronicle. The search for the higgs boson, the only elementary particle in the sm that has not yet been observed,is oneof the highlightsof the largehadroncollider 11 lhc physics programme.
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