XMASS
E716228
XMASS is a Japanese underground physics experiment that uses a large liquid xenon detector to search for dark matter and study rare particle interactions.
All labels observed (1)
| Label | Occurrences |
|---|---|
| XMASS canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8174905 — 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: XMASS Context triple: [Institute for Cosmic Ray Research, notableProject, XMASS]
-
A.
XENON
XENON is a series of underground dark matter detection experiments using liquid xenon time projection chambers to search for weakly interacting massive particles (WIMPs).
-
B.
MoEDAL
MoEDAL is a dedicated particle physics experiment at CERN designed to search for highly ionizing particles such as magnetic monopoles and other exotic, long-lived states beyond the Standard Model.
-
C.
Setonix
Setonix is a genus of small marsupials best known for including the quokka, a short-tailed wallaby native to southwestern Australia.
-
D.
MINOS
MINOS is a long-baseline neutrino oscillation experiment that studied muon neutrino disappearance using a beam from Fermilab to a far detector in Minnesota.
-
E.
Snowflake
Snowflake is a cloud-based data warehousing platform known for its scalable, high-performance analytics and separation of storage and compute.
- 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: XMASS Target entity description: XMASS is a Japanese underground physics experiment that uses a large liquid xenon detector to search for dark matter and study rare particle interactions.
-
A.
XENON
XENON is a series of underground dark matter detection experiments using liquid xenon time projection chambers to search for weakly interacting massive particles (WIMPs).
-
B.
MoEDAL
MoEDAL is a dedicated particle physics experiment at CERN designed to search for highly ionizing particles such as magnetic monopoles and other exotic, long-lived states beyond the Standard Model.
-
C.
Setonix
Setonix is a genus of small marsupials best known for including the quokka, a short-tailed wallaby native to southwestern Australia.
-
D.
MINOS
MINOS is a long-baseline neutrino oscillation experiment that studied muon neutrino disappearance using a beam from Fermilab to a far detector in Minnesota.
-
E.
Snowflake
Snowflake is a cloud-based data warehousing platform known for its scalable, high-performance analytics and separation of storage and compute.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
dark matter experiment
ⓘ
liquid xenon detector experiment ⓘ physics experiment ⓘ underground experiment ⓘ |
| aimsTo |
measure low-background rare events
ⓘ
set limits on dark matter interaction cross sections ⓘ |
| collaborationType | international collaboration ⓘ |
| country | Japan ⓘ |
| dataTakingStarted | 2010 ⓘ |
| detectionMedium | single-phase liquid xenon ⓘ |
| detectionMethod | scintillation light detection ⓘ |
| detectorType | single-phase liquid xenon scintillation detector ⓘ |
| environment | low-background environment ⓘ |
| hostInstitution |
Institute for Cosmic Ray Research, University of Tokyo
NERFINISHED
ⓘ
University of Tokyo NERFINISHED ⓘ |
| locatedIn |
Gifu Prefecture
NERFINISHED
ⓘ
Japan ⓘ Kamioka NERFINISHED ⓘ Kamioka Observatory NERFINISHED ⓘ |
| locatedInFacility | Kamioka underground laboratory NERFINISHED ⓘ |
| locatedUnderground | true ⓘ |
| primaryGoal | search for dark matter ⓘ |
| relatedTo |
KamLAND
NERFINISHED
ⓘ
LUX experiment NERFINISHED ⓘ PandaX experiment NERFINISHED ⓘ Super-Kamiokande NERFINISHED ⓘ XENON experiment NERFINISHED ⓘ |
| researchField |
astroparticle physics
ⓘ
cosmology ⓘ particle physics ⓘ |
| researchObjective |
search for WIMP dark matter
ⓘ
search for bosonic superweakly interacting massive particles ⓘ search for dark matter annual modulation ⓘ search for inelastic dark matter scattering ⓘ search for neutrinoless double electron capture ⓘ search for solar axions ⓘ search for solar neutrinos ⓘ search for super-WIMP dark matter ⓘ search for supernova neutrinos ⓘ search for two-neutrino double electron capture ⓘ search for weakly interacting massive particles ⓘ study rare particle interactions ⓘ |
| searchesFor |
bosonic dark matter
ⓘ
dark matter-nucleus scattering ⓘ electron-coupled dark matter ⓘ neutrino physics beyond the Standard Model ⓘ solar axion-like particles ⓘ |
| shielding |
underground rock overburden
ⓘ
water Cherenkov shield ⓘ |
| targetMaterial | xenon ⓘ |
| usesDetectorMaterial | liquid xenon ⓘ |
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: XMASS Description of subject: XMASS is a Japanese underground physics experiment that uses a large liquid xenon detector to search for dark matter and study rare particle interactions.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Kamioka Observatory