Cabibbo–Kobayashi–Maskawa matrix

E234496

The Cabibbo–Kobayashi–Maskawa matrix is a fundamental component of the Standard Model of particle physics that describes how quarks change flavor via the weak interaction and accounts for CP violation in the quark sector.

All labels observed (5)

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf concept in the Standard Model of particle physics
flavor mixing matrix
unitary matrix
accountsFor CP violation in the quark sector
appliesTo down, strange, bottom quarks
three generations of quarks
up, charm, top quarks
constrains unitarity triangles
describes charged-current weak interaction couplings of quarks
quark flavor mixing
quark mixing in weak interactions
generalizes Cabibbo angle description of quark mixing
hasApproximateMagnitudePattern |V_cb|, |V_ts| of order 0.04
|V_ub|, |V_td| much smaller than 1
|V_ud|, |V_cs|, |V_tb| close to 1
|V_us|, |V_cd| of order 0.22
hasDimension 3×3
hasElement V_cb
V_cd
V_cs
V_tb
V_td
V_ts
V_ub
V_ud
V_us
hasParameter one CP-violating phase
three mixing angles
hasParameterization Wolfenstein parameterization
standard PDG parameterization
hasProperty complex phases
nontrivial CP-violating phase
unitarity
introducedBy Makoto Kobayashi NERFINISHED
Nicola Cabibbo
Toshihide Maskawa
namedAfter Makoto Kobayashi NERFINISHED
Nicola Cabibbo
Toshihide Maskawa
partOf Standard Model of particle physics
linked to: Standard Model
relatedTo Jarlskog invariant
relates down-type quarks
mass eigenstates of quarks
up-type quarks
weak interaction eigenstates of quarks
symbol V_CKM
usedIn B meson physics
D meson physics
K meson physics
calculation of weak decay rates of hadrons

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Referenced by (16)

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

Toshihide Maskawa knownFor Cabibbo–Kobayashi–Maskawa matrix
Toshihide Maskawa knownFor CKM matrix
linked to: Cabibbo–Kobayashi–Maskawa matrix
GIM mechanism relatedTo Cabibbo angle
linked to: Cabibbo–Kobayashi–Maskawa matrix
GIM mechanism relatedTo CKM matrix
linked to: Cabibbo–Kobayashi–Maskawa matrix
Makoto Kobayashi contributedTo Cabibbo–Kobayashi–Maskawa matrix
Cabibbo–Kobayashi–Maskawa matrix relatedTo Jarlskog invariant
linked to: Cabibbo–Kobayashi–Maskawa matrix
Kobayashi–Maskawa theory usesConcept Cabibbo–Kobayashi–Maskawa matrix
Kobayashi–Maskawa theory usesConcept CKM matrix
linked to: Cabibbo–Kobayashi–Maskawa matrix
Kobayashi–Maskawa theory relatedConcept Jarlskog invariant
linked to: Cabibbo–Kobayashi–Maskawa matrix
Kobayashi–Maskawa paper on CP violation (1973) mainSubject Cabibbo–Kobayashi–Maskawa matrix
Kobayashi–Maskawa paper on CP violation (1973) laterCalled Cabibbo–Kobayashi–Maskawa matrix
Kobayashi–Maskawa paper on CP violation (1973) relatedConcept CKM matrix
linked to: Cabibbo–Kobayashi–Maskawa matrix
Makoto Kobayashi knownFor Cabibbo–Kobayashi–Maskawa matrix
subject linked to: Maskawa
Makoto Kobayashi coAuthorOf Cabibbo–Kobayashi–Maskawa theory
subject linked to: Maskawa
linked to: Cabibbo–Kobayashi–Maskawa matrix
Makoto Kobayashi notableConcept CKM matrix
subject linked to: Maskawa
linked to: Cabibbo–Kobayashi–Maskawa matrix
Yukawa coupling relatedTo CKM matrix
linked to: Cabibbo–Kobayashi–Maskawa matrix