bottom quark wikipedia - EAS
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The bottom quark or b quark, also known as the beauty quark, is a third-generation heavy quark with a charge of −1/3 e. All quarks are described in a similar way by electroweak and quantum chromodynamics, but the bottom quark has exceptionally low rates of transition to lower-mass quarks. The
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See moreThe bottom quark was first described theoretically in 1973 by physicists Makoto Kobayashi and Toshihide Maskawa to explain CP violation. The name "bottom" was introduced in 1975 by Haim Harari.
The bottom quark was...
See more• L. Lederman (1978). "The Upsilon Particle". Scientific American. 239 (4): 72–81. Bibcode:1978SciAm.239d..72L. doi:10.1038/scientificamerican1078-72.
• R. Nave....
See moreThe bottom quark's "bare" mass is around 4.18 GeV/c – a bit more than four times the mass of a proton, and many orders of magnitude larger than common "light" quarks.
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See moreSome of the hadrons containing bottom quarks include:
• B mesons contain a bottom quark (or its antiparticle)...
See more• History of the discovery of the bottom quark / Upsilon meson Archived 24 August 2017 at the Wayback Machine
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