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  2. Subatomic particle - Wikipedia

    en.wikipedia.org/wiki/Subatomic_particle

    Any subatomic particle, like any particle in the three-dimensional space that obeys the laws of quantum mechanics, can be either a boson (with integer spin) or a fermion (with odd half-integer spin). In the Standard Model, all the elementary fermions have spin 1/2, and are divided into the quarks which carry color charge and therefore feel the ...

  3. Proton - Wikipedia

    en.wikipedia.org/wiki/Proton

    A proton is a stable subatomic particle, symbol p, H +, or 1 H + with a positive electric charge of +1 e (elementary charge).Its mass is slightly less than the mass of a neutron and approximately 1836 times the mass of an electron (the proton-to-electron mass ratio).

  4. List of particles - Wikipedia

    en.wikipedia.org/wiki/List_of_particles

    Odderon, a particle composed of an odd number of gluons, detected in 2021. A counterpart to pomerons. Minicharged particle are hypothetical subatomic particles charged with a tiny fraction of the electron charge. Continuous spin particle are hypothetical massless particles related to the classification of the representations of the Poincaré group.

  5. Electron - Wikipedia

    en.wikipedia.org/wiki/Electron

    In the Standard Model of particle physics, electrons belong to the group of subatomic particles called leptons, which are believed to be fundamental or elementary particles. Electrons have the lowest mass of any charged lepton (or electrically charged particle of any type) and belong to the first generation of fundamental particles. [78]

  6. Neutron - Wikipedia

    en.wikipedia.org/wiki/Neutron

    The neutron is a subatomic particle, symbol n or n 0, that has no electric charge, and a mass slightly greater than that of a proton. Protons and neutrons constitute the nuclei of atoms. Since protons and neutrons behave similarly within the nucleus, they are both referred to as nucleons.

  7. Elementary particle - Wikipedia

    en.wikipedia.org/wiki/Elementary_particle

    In particle physics, an elementary particle or fundamental particle is a subatomic particle that is not composed of other particles. [1] The Standard Model presently recognizes seventeen distinct particles—twelve fermions and five bosons .

  8. Electric charge - Wikipedia

    en.wikipedia.org/wiki/Electric_charge

    Electric charge is a conserved property: the net charge of an isolated system, the quantity of positive charge minus the amount of negative charge, cannot change. Electric charge is carried by subatomic particles. In ordinary matter, negative charge is carried by electrons, and positive charge is carried by the protons in the nuclei of atoms ...

  9. Particle physics - Wikipedia

    en.wikipedia.org/wiki/Particle_physics

    Modern particle physics research is focused on subatomic particles, including atomic constituents, such as electrons, protons, and neutrons (protons and neutrons are composite particles called baryons, made of quarks), that are produced by radioactive and scattering processes; such particles are photons, neutrinos, and muons, as well as a wide ...