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Quark - Wikipedia
A quark (/ k w ɔːr k, k w ɑːr k /) is a type of elementary particle and a fundamental constituent of matter.Quarks combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei.
Quarks - HyperPhysics Concepts
Quarks. Quarks and Leptons are the building blocks which build up matter, i.e., they are seen as the "elementary particles". In the present standard model, there are six "flavors" of quarks.
quark | Definition, Flavors, & Colors | Britannica.com
Quarks* quark type baryon number charge strangeness** charm** bottom** top** mass (MeV) *Note that antiquarks exist for all flavours of quark and have opposite values for all the quantum numbers listed here.
The Particle Adventure | What is the world made of? | Quarks
There are six quarks, but physicists usually talk about them in terms of three pairs: up/down, charm/strange, and top/bottom. (Also, for each of these quarks, there is a corresponding antiquark.)
Definition of Quarks in Physics - ThoughtCo
The antiparticle of a quark is the antiquark. Quarks and antiquarks are the only two fundamental particles that interact through all four fundamental forces of physics: gravitation, electromagnetism, and the strong and weak interactions.
Quark | Definition of Quark by Merriam-Webster
Recent Examples on the Web. In Germany, quark is thick and smooth like yogurt, but slightly drier. — New York Times, "A Guide to Soft Fresh Cheeses: Cottage Cheese, Mascarpone and More," 26 June 2018 But researchers did not see the particles expected 60 percent of the time—bottom quarks.
7 Strange Facts About Quarks - Live Science
The first quarks appeared about 10^minus 12 seconds after the universe was formed, in the same era where the weak force (which today is the basis for some radioactivity) separated from the ...
Quark - definition of quark by The Free Dictionary
1. Any of a class of six fundamental fermions, two in each of the three generations, one having an electric charge of - 1 / 3, the other, + 2 / 3, comprising the down, up, strange, charm, bottom, and top quarks.
Quark model - Wikipedia
In particle physics, the quark model is a classification scheme for hadrons in terms of their valence quarks—the quarks and antiquarks which give rise to the quantum numbers of the hadrons.
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