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The 80 pages that link to Neutron, each with the reason it gives.

• IsotopeBroader topic: Changing the number of these nuclear particles distinguishes isotopes.

• Neutron starBroader topic: Neutrons are the dominant constituents of the matter inside these stars.

• Nuclear binding energyBroader topic: Neutrons contribute to nuclear binding without adding electric repulsion.

• Atomic nucleusBroader topic: Neutron number distinguishes isotopes of the same element.

• GluonBroader topic: Its quarks are bound by the same gluon-mediated interaction as in protons.

• Nuclear physicsBroader topic: Neutrons contribute nuclear attraction without adding proton–proton electric repulsion.

• HadronBroader topic: The neutron shows how a hadron can be electrically neutral yet internally charged.

• Strong interactionBroader topic: Like the proton, it is a hadron held together by quark-level strong forces.

• Quark modelBroader topic: Comparing it with the proton tests how changing one constituent changes hadron properties.

• Atomic massBroader topic: Neutron number distinguishes isotopes and strongly affects nuclear mass.

• Cavendish LaboratoryBroader topic: Chadwick discovered it at the Cavendish, clarifying the composition of atomic nuclei.

• BaryonBroader topic: It is the other principal constituent of ordinary atomic nuclei.

• Nuclear chain reactionBroader topic: Neutrons are the main carriers of the chain from one fission event to another.

• Carbon-12Broader topic: Carbon-12 contains six neutrons alongside its six protons.

• NucleonBroader topic: The other kind of nucleon; its presence lets nuclei contain more protons without added electric repulsion.

• AtomBroader topic: Neutrons affect nuclear stability and distinguish isotopes of the same element.

• Radiation shieldingBroader topic: Neutrons interact differently from charged particles and need moderation as well as capture.

• James ChadwickBroader topic: This is the particle Chadwick identified through recoil measurements in 1932.

• Strong nuclear forceBroader topic: Neutrons contribute nuclear binding without adding electric repulsion between protons.

• Baryonic matterBroader topic: Neutrons join protons in the nuclei of most elements.

• Deuterium–tritium fusionBroader topic: This reaction’s 14.1-megaelectronvolt neutron carries most of its released energy.

• Leo SzilardBroader topic: Neutrons can trigger uranium fission without being repelled by the nucleus’s electric charge.

• Neutron degeneracy pressureBroader topic: Neutron degeneracy pressure arises from the collective state occupation of these particles.

• Robert HofstadterBroader topic: Scattering studies helped reveal that the neutron has a nonuniform internal charge distribution.

• Neutron radiationBroader topic: Free neutrons are the particles that constitute this radiation.

• Discovery of the neutronBroader topic: The particle Chadwick identified is now understood as a composite member of the baryon family.

• Clifford ShullBroader topic: Its neutrality allows it to penetrate materials, while its magnetic moment makes magnetic order measurable.

• Helium atomBroader topic: Neutron number distinguishes helium’s common isotopes without changing its element.

• Subatomic particleBroader topic: It shows that electrically neutral particles can still be composite and strongly interacting.

• Hadron eraBroader topic: Neutrons were part of the surviving baryonic matter as the universe entered later epochs.

• Henry Way KendallBroader topic: Scattering from neutrons showed that the internal structure was not unique to protons.

• History of subatomic physicsBroader topic: Its discovery explained nuclear mass and enabled a fuller account of isotopes.

• Jerome Isaac FriedmanBroader topic: The Nobel-recognized result established quark structure in neutrons as well as protons.

• Nucleon magnetic momentBroader topic: Its nonzero magnetic moment shows that electrical neutrality does not mean charge is absent internally.