Drell–Yan processes
E24272
Drell–Yan processes are high-energy particle interactions in which a quark and an antiquark from colliding hadrons annihilate to produce a lepton–antilepton pair, providing a key probe of hadron structure and parton distributions.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Drell–Yan factorization theorem | 1 |
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
electroweak process
ⓘ
hard scattering process ⓘ high-energy particle interaction ⓘ |
| calculatedUsing |
collinear factorization
ⓘ
parton model ⓘ perturbative QCD ⓘ |
| characterizedBy | high invariant mass lepton pairs ⓘ |
| finalState |
dilepton pair
ⓘ
lepton–antilepton pair ⓘ |
| initialState |
antiquark
ⓘ
colliding hadrons ⓘ quark ⓘ |
| interactionType | quark–antiquark annihilation ⓘ |
| measuredAt |
Brookhaven National Laboratory
ⓘ
CERN ⓘ Super Proton Synchrotron ⓘ
surface form:
CERN SPS
Fermi National Accelerator Laboratory ⓘ
surface form:
Fermilab
Large Hadron Collider ⓘ Tevatron ⓘ |
| mediatedBy |
W boson
ⓘ
Z boson ⓘ virtual photon ⓘ |
| namedAfter |
Sidney Drell
ⓘ
Tung-Mow Yan ⓘ |
| observedAs | dilepton invariant mass spectrum ⓘ |
| occursIn |
hadron–nucleus collisions
ⓘ
nucleus–nucleus collisions ⓘ pion–nucleon collisions ⓘ proton–antiproton collisions ⓘ proton–proton collisions ⓘ |
| probes |
antiquark distributions
ⓘ
flavor asymmetry in the nucleon sea ⓘ hadron structure ⓘ parton distribution functions ⓘ sea quark distributions ⓘ valence quark distributions ⓘ |
| proposedIn | 1970 ⓘ |
| relatedTo |
Drell–Yan processes
self-linksurface differs
ⓘ
surface form:
Drell–Yan factorization theorem
deep inelastic scattering ⓘ |
| sensitiveTo |
Bjorken-x of partons
ⓘ
QCD corrections ⓘ factorization scale ⓘ |
| theoryFramework |
electroweak theory
ⓘ
quantum chromodynamics ⓘ |
| usedToDetermine |
W boson mass
ⓘ
Z boson properties ⓘ electroweak parameters ⓘ |
| usedToSearchFor |
W′ bosons
ⓘ
Z′ bosons ⓘ contact interactions ⓘ new heavy gauge bosons ⓘ |
| usedToTest | Standard Model ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Drell–Yan factorization theorem