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The 73 pages that link to Alpha decay, each with the reason it gives.

• Radioactive decayBroader topic: It ejects a compact cluster of two protons and two neutrons.

• Island of stabilityRelated: It competes with fission as a decay pathway that determines superheavy isotope lifetimes.

• Superheavy elementRelated: Many superheavy isotopes lose two protons and two neutrons through this pathway.

• Beta decayCompared with: Unlike beta decay, it ejects a cluster of nucleons rather than changing one nucleon's identity.

• Atomic nucleusBroader topic: The parent nucleus loses two protons and two neutrons.

• OganessonRelated: Observed alpha-decay chains provided evidence for the identity of produced element-118 nuclei.

• Alpha particleRelated: This is the nuclear process that releases an alpha particle.

• Superheavy element synthesisRelated: Sequential alpha decays provide characteristic evidence for the identity of many synthesized nuclei.

• HeliumRelated: Alpha particles acquire electrons and become helium-4 atoms.

• RadioactivityBroader topic: It is one of the principal ways heavy radioactive nuclei shed mass and energy.

• ActinideBroader topic: Alpha emission is a common decay route for heavy actinide isotopes.

• Uranium-238Related: Uranium-238 begins its decay chain by emitting an alpha particle.

• NihoniumRelated: Nihonium isotopes were traced through chains containing successive alpha decays.

• Nuclear transmutationBroader topic: Its loss of two protons directly produces an element two places earlier in the periodic table.

• George GamowBroader topic: Gamow’s 1928 theory explained alpha decay using quantum tunneling.

• Helium-4Related: It steadily supplies helium-4 to Earth’s crust and atmosphere.

• UnunenniumRelated: Alpha emissions are among the signals used to trace superheavy nuclei after production.

• Decay chainRelated: It lowers the parent’s proton number by two and mass number by four.

• Element discoveryRelated: Recognizable alpha-decay chains can link short-lived products to better-known nuclei.

• Transuranium elementRelated: Alpha emission is a common decay pathway among heavy transuranium nuclides.

• Spontaneous fissionCompared with: Alpha emission competes with spontaneous fission as a decay route for some heavy nuclides.

• Transactinide elementRelated: Sequential alpha decays can identify a newly produced transactinide through its daughter nuclei.

• IsobarCompared with: Unlike beta decay, it does not preserve mass number.

• MoscoviumRelated: Moscovium isotopes were identified in part through alpha-decay chains to lighter nuclei.

• Plutonium-239Related: Plutonium-239 decays chiefly by alpha emission, becoming uranium-235.

• TennessineBroader topic: Observed alpha emissions linked tennessine atoms to lighter daughter nuclei.

• UnbiniliumRelated: A newly formed element-120 nucleus could be identified through a characteristic sequence of alpha decays.

• RadiumNarrower topic: Radium isotopes commonly decay by emitting alpha particles.

• Gamma decayCompared with: Unlike gamma decay, alpha decay changes the parent nucleus’s proton and neutron counts.

• FleroviumBroader topic: Flerovium’s observed decay chains commonly begin with alpha emission to copernicium.

• ActiniumRelated: Actinium-225 initiates a chain of alpha emissions that supplies the therapy’s cytotoxic radiation.

• AmericiumRelated: Americium-241 emits alpha particles that ionize air inside smoke detectors.

• CoperniciumRelated: Alpha-decay chains helped identify newly produced copernicium isotopes.

• Frederick SoddyBroader topic: Soddy used alpha emission to explain shifts between elements in radioactive series.

• Thorium-232Related: Thorium-232 begins its decay chain by emitting an alpha particle.

• AstatineRelated: Some radioactive decay chains produce astatine through alpha-particle emission.

• CuriumRelated: Several curium isotopes decay this way, changing into elements with atomic numbers two lower.

• DarmstadtiumRelated: Alpha particles from darmstadtium’s decay chains helped identify the newly formed element.

• LawrenciumRelated: Alpha emissions help identify and trace short-lived lawrencium isotopes.

• PoloniumRelated: Polonium isotopes commonly decay through this process.

• Radiogenic heatBroader topic: Alpha particles deposit energy as they slow within surrounding rock.

• RadionuclideBroader topic: Heavy radionuclides can shed mass and charge through this emission.

• SeaborgiumBroader topic: Alpha-decay chains link short-lived seaborgium nuclei to identifiable daughter isotopes.

• FranciumRelated: Francium-223 decays predominantly by alpha emission to astatine-219.

• RutherfordiumBroader topic: Several rutherfordium isotopes are identified through characteristic alpha-decay chains.

• Superheavy element researchBroader topic: Linked alpha decays can reveal a superheavy parent nucleus and its successive daughter nuclei.

• DubniumRelated: Alpha-decay chains help identify dubnium atoms and their daughter nuclides.

• Geiger–Nuttall lawNarrower topic: The law describes how alpha-particle energy relates to the rate of this decay.

• LivermoriumRelated: Observed alpha-decay chains linked livermorium atoms to known daughter nuclei.

• MeitneriumRelated: Several meitnerium isotopes are traced through characteristic alpha-decay chains.