STAR
E517339
STAR is a large-scale particle physics detector at the Relativistic Heavy Ion Collider designed to study the properties of quark-gluon plasma and the behavior of nuclear matter at extreme energy densities.
All labels observed (1)
| Label | Occurrences |
|---|---|
| STAR canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5399448 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: STAR Context triple: [Relativistic Heavy Ion Collider, hasExperiment, STAR]
-
A.
Star
Star is the costumed mascot character for the WNBA’s Atlanta Dream, entertaining fans and representing the team at games and events.
-
B.
Star
Star was an automobile marque produced by Durant Motors in the 1920s as a lower-priced competitor to brands like Ford and Chevrolet.
-
C.
Star
Star is the middle name of D'Lila Star Combs, one of Sean "Diddy" Combs' twin daughters.
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D.
Star
"Star" is a musical drama television series created by Lee Daniels and Tom Donaghy that follows three talented young singers navigating the challenges of the music industry in Atlanta.
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E.
Star
"Star" is a song featured on the album *The Tipping Point* by the British band Tears for Fears.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: STAR Target entity description: STAR is a large-scale particle physics detector at the Relativistic Heavy Ion Collider designed to study the properties of quark-gluon plasma and the behavior of nuclear matter at extreme energy densities.
-
A.
Star
Star is the costumed mascot character for the WNBA’s Atlanta Dream, entertaining fans and representing the team at games and events.
-
B.
Star
Star was an automobile marque produced by Durant Motors in the 1920s as a lower-priced competitor to brands like Ford and Chevrolet.
-
C.
Star
Star is the middle name of D'Lila Star Combs, one of Sean "Diddy" Combs' twin daughters.
-
D.
Star
"Star" is a musical drama television series created by Lee Daniels and Tom Donaghy that follows three talented young singers navigating the challenges of the music industry in Atlanta.
-
E.
Star
"Star" is a song featured on the album *The Tipping Point* by the British band Tears for Fears.
- F. None of above. chosen
Statements (71)
| Predicate | Object |
|---|---|
| instanceOf |
RHIC experiment
ⓘ
heavy-ion experiment ⓘ particle physics detector ⓘ |
| collaborationType | international collaboration ⓘ |
| collider | Relativistic Heavy Ion Collider NERFINISHED ⓘ |
| collisionEnergyRange |
up to 200 GeV per nucleon pair in Au+Au
ⓘ
up to 510 GeV in polarized p+p ⓘ |
| collisionSystem |
deuteron-gold collisions
ⓘ
gold-gold collisions ⓘ proton-gold collisions ⓘ proton-proton collisions ⓘ uranium-uranium collisions ⓘ |
| constructionPeriod | late 1990s ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dataFormat | ROOT-based data files ⓘ |
| dataTakingStart | 2000 ⓘ |
| fullName | Solenoidal Tracker at RHIC NERFINISHED ⓘ |
| fundedBy | U.S. Department of Energy NERFINISHED ⓘ |
| geometry | cylindrical ⓘ |
| hasComponent |
electromagnetic calorimeter
ⓘ
forward meson spectrometer ⓘ forward time projection chambers ⓘ heavy flavor tracker ⓘ magnet system ⓘ silicon vertex tracker ⓘ time projection chamber ⓘ time-of-flight detector ⓘ zero degree calorimeters ⓘ |
| hostLaboratory | Brookhaven National Laboratory NERFINISHED ⓘ |
| locatedAt |
Brookhaven National Laboratory
NERFINISHED
ⓘ
Relativistic Heavy Ion Collider NERFINISHED ⓘ |
| locatedIn | Upton, New York, United States NERFINISHED ⓘ |
| magneticFieldStrength | 0.5 tesla ⓘ |
| magneticFieldType | solenoidal ⓘ |
| measures |
charged particle tracks
ⓘ
electrons ⓘ event-by-event fluctuations ⓘ hadrons ⓘ jets ⓘ photons ⓘ |
| numberOfCountries | over 10 countries ⓘ |
| numberOfInstitutions | over 50 institutions ⓘ |
| operatedBy | Brookhaven National Laboratory NERFINISHED ⓘ |
| participatesIn | RHIC Beam Energy Scan program NERFINISHED ⓘ |
| primaryObjective | study quark-gluon plasma ⓘ |
| publishesIn |
Nuclear Physics A
NERFINISHED
ⓘ
Physical Review C NERFINISHED ⓘ Physical Review Letters NERFINISHED ⓘ |
| researchFocus |
QCD phase diagram
NERFINISHED
ⓘ
behavior of nuclear matter at extreme energy densities ⓘ chiral magnetic effect ⓘ collective flow in heavy-ion collisions ⓘ fluctuations and correlations in heavy-ion collisions ⓘ heavy flavor production ⓘ hypernuclei production ⓘ jet quenching ⓘ properties of quark-gluon plasma ⓘ quarkonia suppression and regeneration ⓘ relativistic heavy-ion collisions ⓘ spin physics with polarized proton collisions ⓘ spin structure of the proton ⓘ strangeness production ⓘ |
| roleInBeamEnergyScan | mapping QCD phase diagram at different collision energies ⓘ |
| studies |
baryon transport
ⓘ
charge separation with respect to reaction plane ⓘ collective flow coefficients v1, v2, v3, ... ⓘ freeze-out conditions in heavy-ion collisions ⓘ |
| trackingCoverage | large solid angle ⓘ |
| trackingTechnology | time projection chamber ⓘ |
| uses | relativistic heavy-ion collisions ⓘ |
| website | https://www.star.bnl.gov/ ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: STAR Description of subject: STAR is a large-scale particle physics detector at the Relativistic Heavy Ion Collider designed to study the properties of quark-gluon plasma and the behavior of nuclear matter at extreme energy densities.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
STAR experiment