V_tb
E815594
V_tb is the element of the CKM quark-mixing matrix that quantifies the strength of the weak interaction coupling between the top quark and the bottom quark.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
CKM matrix element
ⓘ
complex number ⓘ |
| appearsIn |
Wtb vertex
ⓘ
charged current weak interactions ⓘ |
| belongsToColumn | third column of CKM matrix ⓘ |
| belongsToRow | third row of CKM matrix ⓘ |
| controls | branching ratio BR(t → W b) ⓘ |
| couplesQuarks |
bottom quark
ⓘ
top quark ⓘ |
| describes | weak interaction coupling between top and bottom quarks ⓘ |
| entersProcess |
associated tW production
ⓘ
pp → t b̄ + X ⓘ pp → t̄ b + X ⓘ single top s-channel production ⓘ single top t-channel production ⓘ |
| governs | t → W b decay amplitude ⓘ |
| hasApproximateMagnitude | 0.999 ⓘ |
| hasIndexNotation | V_{tb} ⓘ |
| hasMagnitudeConstraint |
|V_tb| > 0.97
ⓘ
|V_tb| ≈ 1 ⓘ |
| hasMagnitudeConstraintSource |
single top production measurements
ⓘ
top quark decay measurements ⓘ |
| hasPhase | CKM CP-violating phase dependent ⓘ |
| hasQuarkGenerationRelation | third-generation up-type to third-generation down-type ⓘ |
| isCloseTo | unitarity limit ⓘ |
| isConstrainedBy |
flavor physics data
ⓘ
global CKM fits ⓘ |
| isDominantElementIn |
third column of CKM matrix
ⓘ
third row of CKM matrix ⓘ |
| isLargestElementIn |
third column of CKM matrix
ⓘ
third row of CKM matrix ⓘ |
| isMeasuredAt |
LHC
NERFINISHED
ⓘ
Tevatron NERFINISHED ⓘ hadron colliders ⓘ |
| isMeasuredUsing |
single top quark production cross sections
ⓘ
top quark decay branching ratios ⓘ |
| isNearlyDiagonalElementOf | CKM matrix NERFINISHED ⓘ |
| isParameterOf |
Standard Model of particle physics
NERFINISHED
ⓘ
electroweak sector ⓘ |
| isRelevantFor |
searches for new physics in top sector
ⓘ
tests of CKM unitarity ⓘ |
| partOf | Cabibbo–Kobayashi–Maskawa matrix NERFINISHED ⓘ |
| relatesDownTypeQuark | bottom quark GENERATED ⓘ |
| relatesUpTypeQuark | top quark GENERATED ⓘ |
| satisfiesUnitarityConstraintWith |
V_td
ⓘ
V_ts ⓘ |
| symbolOf | V_tb element of CKM matrix ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.