bottom quark

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bottom quark [′bäd·əm ‚kwärk]

(particle physics)

A quark with a mass of about 4.7 GeV, electric charge of -⅓, zero isotopic spin, strangeness and charm, and a new quantum number associated with it. Also known asbquark; beauty quark. Symbolizedb.

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No references found			The standard model of particle physics predicts the existence and mass of this particle, which is a baryon, like protons and neutrons, and is made up of two strange quarks and a bottom quark. Mass mismatch leads to mystery: Omega-b-minus is detected again, but ... by Lee, Jenny Lauren / Science News With this complete set, physicists will be able to cook up quark-gluon plasma, and observe things like bottom quarks and leptons. What's new at the particle zoo; Supercollider may bring answers by Telegram & Gazette (Worcester, MA) And though this empirical pudding proof seems unprecedented with regard to the implication of the validity the precision of a parameter such as a strange or bottom quark mass (that can''t be directly measured anyway), it certainly remains an outstanding example of the validity of empirical measure as the bedrock of scientific method. The Z-Boson Mass and Its Formula as Multiple Proofs in One Yummy Bowl ... by Sean Sheeter / Reference and Education community			Botto, Jan bottom bottom arm bottom blow bottom bolt bottom break bottom car clearance bottom chord bottom dead center bottom dump bottom fauna bottom feeder bottom fermentation bottom flow bottom heave bottom hold-down bottom hole bottom ice bottom lateral bracing bottom line bottom load bottom loading pressure bottom moraine bottom pillar bottom plate bottom quark bottom rail bottom register bottom rot bottom sampler bottom sediment bottom settlings bottom shore bottom steam bottom stone bottom tap bottom terrace bottom time bottom water bottom wiper plug Bottom, Nick bottom-hole assembly bottom-hole cash bottom-hole choke bottom-hole packer bottom-hole plug Bottom-hole Pressure bottom-hole pressure bomb bottom-hole pump bottom-hole samples bottom-hole separator			Bottom of Duct Bottom Of Form Bottom of Fuel Bottom of Heated Length bottom of hill Bottom of Metal Deck Bottom of Pipe Bottom of Tape bottom of the barrel bottom of the barrel Bottom of the Barrel Technology Conference Bottom of the Basket Bottom of the Draw bottom of the heap bottom of the inning Bottom of the Line Bottom of the pyramid Bottom of Wall Bottom Opened bottom out bottom out bottom out bottom out Bottom Picture Line bottom pillar bottom plate bottom plate Bottom Pressure Fluctuation Bottom Pressure Recorder bottom quark bottom rail Bottom Reflected Acoustic Sonar System Bottom Reflection bottom register Bottom Right Corner Bottom Right Side bottom rot bottom rot bottom rot fungus bottom round bottom sampler bottom sediment Bottom Sediment and Water bottom settlings Bottom sharking bottom shore Bottom Solids & Water Bottom Sounding bottom steam bottom stone bottom sweep bottom tap bottom terrace bottom time Bottom Up

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