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In particle physics, an elementary particle or fundamental particle is a subatomic particle that is not composed of other particles. [1] The Standard Model presently recognizes seventeen distinct particles—twelve fermions and five bosons .
Elementary particles are classified according to their spin. Fermions have half-integer spin while bosons have integer spin. All the particles of the Standard Model have been experimentally observed, including the Higgs boson in 2012. [2] [3] Many other hypothetical elementary particles, such as the graviton, have been proposed, but not ...
Mathematical consistency of the Standard Model requires that any mechanism capable of generating the masses of elementary particles must become visible [clarification needed] at energies above 1.4 TeV; [45] therefore, the LHC (designed to collide two 7 TeV proton beams) was built to answer the question of whether the Higgs boson actually exists ...
Atomised, also known as The Elementary Particles (French: Les Particules élémentaires), is a novel by the French author Michel Houellebecq, published in France in 1998. It tells the story of two half-brothers , Michel and Bruno, and their mental struggles against their situations in modern society.
Particle physics or high-energy physics is the study of fundamental particles and forces that constitute matter and radiation.The field also studies combinations of elementary particles up to the scale of protons and neutrons, while the study of combination of protons and neutrons is called nuclear physics.
Some extensions such as supersymmetry predict additional elementary particles with spin 3/2, but none have been discovered as of 2023. Due to the laws for spin of composite particles, the baryons (3 quarks) have spin either 1/2 or 3/2 and are therefore fermions; the mesons (2 quarks) have integer spin of either 0 or 1 and are therefore bosons.
Pages in category "Elementary particles" The following 20 pages are in this category, out of 20 total. This list may not reflect recent changes. ...
Elementary particles from the Standard Model of particle physics that have so far been observed. The Standard Model is the most comprehensive existing model of particle behavior. All Standard Model particles including the Higgs boson have been verified, and all other observed particles are combinations of two or more Standard Model particles.