What does down quark mean?
Definitions for down quark
down quark
This dictionary definitions page includes all the possible meanings, example usage and translations of the word down quark.
Princeton's WordNet
down quarknoun
a stable quark with an electric charge of -1/3 and a mass 607 times that of an electron
Wiktionary
down quarknoun
A quark having a fractional electric charge of -1/3 and a mass about 4 to 8 MeV. Symbol: d
Wikidata
Down quark
The down quark or d quark is the second-lightest of all quarks, a type of elementary particle, and a major constituent of matter. Together with the up quark, it forms the neutrons and protons of atomic nuclei. It is part of the first generation of matter, has an electric charge of −¹⁄3 e and a bare mass of 4.1–5.7 MeV/c². Like all quarks, the down quark is an elementary fermion with spin-¹⁄2, and experiences all four fundamental interactions: gravitation, electromagnetism, weak interactions, and strong interactions. The antiparticle of the down quark is the down antiquark, which differs from it only in that some of its properties have equal magnitude but opposite sign. Its existence was postulated in 1964 by Murray Gell-Mann and George Zweig to explain the Eightfold Way classification scheme of hadrons. The down quark was first observed by experiments at the Stanford Linear Accelerator Center in 1968.
Matched Categories
Numerology
Chaldean Numerology
The numerical value of down quark in Chaldean Numerology is: 7
Pythagorean Numerology
The numerical value of down quark in Pythagorean Numerology is: 7
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"down quark." Definitions.net. STANDS4 LLC, 2024. Web. 5 May 2024. <https://www.definitions.net/definition/down+quark>.
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