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Upsilon meson

The Upsilon meson (ϒ) is a quarkonium state (i.e. flavourless meson) formed from a bottom quark and its antiparticle.

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Key facts & relationships

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Antiparticle
Self
C parity
−1
Composition
bb
Discovered
E288 experiment (1977)
Electric charge
0 e
Family
Mesons

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Map overview Semantic statistics

Upsilon meson

Nodes44
Edges43
Triples22
Avg. degree1.95
Density0.045455
Components1

How this topic connects Entity context

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Upsilon meson

Top relations

related to overview · 6
Upsilon meson → S-state, S1, S2, S3, There, Thus
Antiparticle · 1
Upsilon meson → Self
C parity · 1
Upsilon meson → −1
Composition · 1
Upsilon meson → bb
Discovered · 1
Upsilon meson → E288 experiment (1977)
Electric charge · 1
Upsilon meson → 0 e
Family · 1
Upsilon meson → Mesons
Hypercharge · 1
Upsilon meson → 0
Interactions · 1
Upsilon meson → Strong, weak, electromagnetic, gravity
Isospin · 1
Upsilon meson → 0

Important terminology Word statistics

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Important terminology

c2 10 mass gev meson upsilon state 1s particle decay also pairs experiment 1977 20 quark measured 2008 discovered discovery

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Upsilon mesonAntiparticleSelf1.00infobox
Upsilon mesonC parity−11.00infobox
Upsilon mesonCompositionbb1.00infobox
Upsilon mesonDiscoveredE288 experiment (1977)1.00infobox
Upsilon mesonElectric charge0 e1.00infobox
Upsilon mesonFamilyMesons1.00infobox
Upsilon mesonHypercharge01.00infobox
Upsilon mesonInteractionsStrong, weak, electromagnetic, gravity1.00infobox
Upsilon mesonIsospin01.00infobox
Upsilon mesonMass9.46030(26) GeV/c21.00infobox
Upsilon mesonMean lifetime1.21×10−20 s1.00infobox
Upsilon mesonParity−11.00infobox
Upsilon mesonSpin1 ħ1.00infobox
Upsilon mesonStatisticsBosonic1.00infobox
Upsilon mesonSymbolϒ1.00infobox
Upsilon mesonTypes11.00infobox

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