helium-3

E125209

Helium-3 is a rare, light, non-radioactive isotope of helium valued for its role in nuclear fusion research and as a tracer in astrophysics and low-temperature physics.

All labels observed (4)

Label Occurrences
Helium-3 9
Helium 3 3
Helium‑3 1

How this entity was disambiguated

Statements (52)

Predicate Object
instanceOf bosonic superfluid precursor ⓘ
chemical isotope ⓘ
helium isotope ⓘ
stable isotope ⓘ
atomicMass 3.0160293 u ⓘ
boilingPointAt1atm 3.19 K ⓘ
chemicalElement helium ⓘ
color colorless gas ⓘ
economicValue high market value ⓘ
fermionOrBoson fermion ⓘ
fusionReactionExample D + ³He → ⁴He + p + 18.3 MeV ⓘ
fusionReactionPartner deuterium ⓘ
fusionReactionType aneutronic fusion candidate ⓘ
magneticMoment nuclear magnetic moment used in NMR ⓘ
massNumber 3 ⓘ
meltingPointAt1atm 0.3 K (approximate, under pressure) ⓘ
naturalAbundanceInAtmosphere trace ⓘ
naturalAbundanceInTerrestrialHelium about 0.000137 ⓘ
neutronCaptureCrossSection very high for thermal neutrons ⓘ
neutronDetectionReaction n + ³He → ³H + p + 764 keV ⓘ
neutronNumber 1 ⓘ
occursIn Earth atmosphere ⓘ
lunar regolith ⓘ
natural gas deposits ⓘ
solar wind ⓘ
odor odorless ⓘ
phaseBehavior exhibits superfluid phases at ultra-low temperatures ⓘ
forms quantum fluids at millikelvin temperatures ⓘ
producedBy cosmic ray spallation ⓘ
nuclear reactors ⓘ
nuclear weapons programs ⓘ
tritium decay ⓘ
protonNumber 2 ⓘ
radioactivity non-radioactive ⓘ
rarity rare on Earth ⓘ
safety non-toxic ⓘ
spin 1/2 ⓘ
stability stable ⓘ
studiedIn cosmology ⓘ
stellar nucleosynthesis ⓘ
superfluidTransitionTemperature about 2.5 mK to 3 mK depending on pressure ⓘ
symbol ³He ⓘ
tracerRole tracer of primordial nucleosynthesis ⓘ
tracer of solar wind implantation in lunar soils ⓘ
usedFor astrophysical tracer ⓘ
cryogenics ⓘ
low-temperature physics experiments ⓘ
magnetic resonance imaging ⓘ
neutron detection ⓘ
neutron scattering instrumentation ⓘ
nuclear fusion research ⓘ
polarized gas targets ⓘ

How these facts were elicited

Referenced by (14)

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

Big Bang nucleosynthesis → produces → helium-3 ⓘ
subject linked to: big bang nucleosynthesis
Black Holes and Revelations → recordLabel → Helium 3 ⓘ
linked to: helium-3
The 2nd Law → recordLabel → Helium-3 ⓘ
linked to: helium-3
Simulation Theory → recordLabel → Helium‑3 ⓘ
linked to: helium-3
Will of the People → recordLabel → Helium-3 ⓘ
linked to: helium-3
Starlight → recordLabel → Helium-3 ⓘ
linked to: helium-3
Supermassive Black Hole → recordLabel → Helium 3 ⓘ
linked to: helium-3
Uprising → recordLabel → Helium-3 ⓘ
linked to: helium-3
Madness → recordLabel → Helium-3 ⓘ
linked to: helium-3
Knights of Cydonia → label → Helium 3 ⓘ
linked to: helium-3
Psycho → recordLabel → Helium-3 ⓘ
linked to: helium-3
Pressure → recordLabel → Helium-3 ⓘ
linked to: helium-3
Won’t Stand Down → recordLabel → Helium-3 ⓘ
linked to: helium-3
Drones → recordLabel → Helium-3 ⓘ
linked to: helium-3