V_cs

E815590

V_cs is the element of the Cabibbo–Kobayashi–Maskawa (CKM) quark-mixing matrix that quantifies the weak-interaction coupling between charm and strange quarks.

All labels observed (1)

Label Occurrences
V_cs canonical 1

How this entity was disambiguated

Statements (30)

Predicate Object
instanceOf CKM matrix element ⓘ
quark-mixing matrix element ⓘ
appearsIn Standard Model of particle physics ⓘ
linked to: Standard Model
closeTo cos(Cabibbo angle) ⓘ
constrainedBy experimental measurements of charm decays ⓘ
global CKM fits ⓘ
couplesQuarkFlavor charm quark ⓘ
strange quark ⓘ
dependsOn CKM parametrization (e.g. Wolfenstein, standard PDG) ⓘ
describes weak-interaction coupling between charm and strange quarks ⓘ
dominates charm to strange charged-current transitions ⓘ
elementOf second generation quark mixing sector ⓘ
hasMagnitudeApproximately 0.973 ⓘ
hasMagnitudeLessThan 1 ⓘ
hasMagnitudeUncertaintyApprox 0.0001–0.0002 ⓘ
hasPhase small CP-violating phase in standard CKM parametrizations ⓘ
isComplexNumber true ⓘ
matrixPosition second row, second column of CKM matrix ⓘ
partOf CKM matrix ⓘ
Cabibbo–Kobayashi–Maskawa matrix ⓘ
relatedTo Cabibbo angle ⓘ
linked to: Cabibbo theory
satisfies unitarity constraints of CKM matrix ⓘ
suppressesRelativeTo V_cd in c→d transitions ⓘ
symbolOf |V_cs| for its magnitude ⓘ
usedIn calculations of charm quark weak decays ⓘ
leptonic D_s meson decay analyses ⓘ
semileptonic D meson decay analyses ⓘ
tests of CKM unitarity ⓘ
usedToTest Standard Model flavor structure ⓘ
linked to: Standard Model

lepton–quark universality via charm decays ⓘ

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.