Down quark

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History

Pions Particle zoo Yuval Ne'eman SU(3)Flavor symmetry

11 related topics

Overview

Elementary particle Matter Bare mass Composite particles Hadrons

28 related topics

Mass

Lattice QCD Mesons Baryons Binding energy Gluon field

6 related topics

Key facts & relationships

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Antiparticle: down antiquark (d)
Color charge: Yes
Composition: elementary particle
Decays into: stable or up quark + electron + electron antineutrino
Discovered: SLAC (1968)
Family: quark

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Map overview Semantic statistics

Nodes49

Edges48

Triples29

Avg. degree1.96

Density0.040816

Components1

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Down quark

Top relations

related to Mass · 6

Down quark → Because, Despite, For, Lattice QCD, MeV/c2, When

is a · 3

Down quark → down antiquark, elementary fermion with spin, second-lightest of all quarks

Antiparticle · 1

Down quark → down antiquark (d)

Color charge · 1

Down quark → Yes

Composition · 1

Down quark → elementary particle

Decays into · 1

Down quark → stable or up quark + electron + electron antineutrino

Discovered · 1

Down quark → SLAC (1968)

Electric charge · 1

Down quark → −.mw-parser-output .sfrac{white-space:nowrap}.mw-parser-output .sfrac.tion,.mw-parser-output .sfrac .tion{display:inline-block;vertical-align:-0.5em;font-size:85%;text-align:cen…

Family · 1

Down quark → quark

Generation · 1

Down quark → first

Important terminology Word statistics

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Important terminology

quark quarks mass hadrons first matter mev c2 elementary particles found gell-mann antiquark called protons particle 1964 murray george zweig

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
Down quark	Antiparticle	down antiquark (d)	1.00	infobox
Down quark	Color charge	Yes	1.00	infobox
Down quark	Composition	elementary particle	1.00	infobox
Down quark	Decays into	stable or up quark + electron + electron antineutrino	1.00	infobox
Down quark	Discovered	SLAC (1968)	1.00	infobox
Down quark	Electric charge	−.mw-parser-output .sfrac{white-space:nowrap}.mw-parser-output .sfrac.tion,.mw-parser-output .sfrac .tion{display:inline-block;vertical-align:-0.5em;font-size:85%;text-align:cen…	1.00	infobox
Down quark	Family	quark	1.00	infobox
Down quark	Generation	first	1.00	infobox
Down quark	Interactions	strong, weak, electromagnetic, gravity	1.00	infobox
Down quark	Mass	4.7+0.5 −0.3 MeV/c2	1.00	infobox
Down quark	Spin	⁠1/2⁠ ħ	1.00	infobox
Down quark	Statistics	fermionic	1.00	infobox
Down quark	Symbol	d	1.00	infobox
Down quark	Theorized	Murray Gell-Mann (1964) George Zweig (1964)	1.00	infobox
Down quark	Weak hypercharge	LH: +⁠1/3⁠, RH: −⁠2/3⁠	1.00	infobox
Down quark	Weak isospin	LH: −⁠1/2⁠, RH: 0	1.00	infobox
Down quark	is a	second-lightest of all quarks	0.90	text
Down quark	is a	elementary fermion with spin	0.90	text
Down quark	is a	down antiquark	0.90	text

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