V_CKM
E815588
V_CKM is the standard symbol for the Cabibbo–Kobayashi–Maskawa matrix, a unitary matrix in the Standard Model of particle physics that quantifies quark flavor mixing and CP violation in weak interactions.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
CKM matrix
ⓘ
flavor mixing matrix ⓘ physical constant matrix ⓘ unitary matrix ⓘ |
| appearsIn | quark sector of the Standard Model Lagrangian ⓘ |
| appliesTo |
down-type quarks
ⓘ
up-type quarks ⓘ |
| constrains | unitarity triangles ⓘ |
| definedBetween | up, charm, top quarks and down, strange, bottom quarks ⓘ |
| dependsOn | Yukawa couplings of quarks ⓘ |
| describes |
CP violation in weak interactions
ⓘ
quark flavor mixing ⓘ |
| ensures | absence of flavor-changing neutral currents at tree level ⓘ |
| hasElement |
V_cb
ⓘ
V_cd ⓘ V_cs ⓘ V_tb ⓘ V_td ⓘ V_ts ⓘ V_ub ⓘ V_ud ⓘ V_us ⓘ |
| hasProperty |
3×3 complex matrix
ⓘ
contains one irreducible complex phase ⓘ encodes CP-violating phase ⓘ parameterized by three mixing angles and one phase ⓘ unitarity ⓘ |
| hasRole | source of CP violation in the quark sector ⓘ |
| introducedBy |
Makoto Kobayashi
NERFINISHED
ⓘ
Nicola Cabibbo NERFINISHED ⓘ Toshihide Maskawa NERFINISHED ⓘ |
| namedAfter | Cabibbo–Kobayashi–Maskawa theory of quark mixing NERFINISHED ⓘ |
| parameterizedBy |
Wolfenstein parameters
ⓘ
standard PDG parameterization ⓘ |
| partOf | Standard Model of particle physics NERFINISHED ⓘ |
| relates |
mass eigenstates of quarks
ⓘ
weak interaction eigenstates of quarks ⓘ |
| symbolFor | Cabibbo–Kobayashi–Maskawa matrix NERFINISHED ⓘ |
| testedBy |
B-factory experiments
NERFINISHED
ⓘ
LHCb experiment NERFINISHED ⓘ flavor physics experiments ⓘ |
| usedIn |
B meson physics
ⓘ
D meson physics ⓘ K meson physics ⓘ W boson couplings to quarks ⓘ charged-current weak interactions ⓘ flavor-changing weak decays ⓘ top quark decay analyses ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.