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Particle physics

Quantum numbers

Subatomic particles

Process that occurs when a subatomic particle collides with its respective antiparticle to produce other particles

Exotic particle made of an antiproton and positron

Material composed of antiparticles of the corresponding particles of ordinary matter

Antiparticle of the neutron

Small localized object; a rare type of matter

Antiparticle of the proton

Hadron (subatomic particle) that is composed of three quarks

Baryon asymmetry

Abundance of matter (baryons) and lack of antimatter (antibaryons) in our Observable Universe

One third of the difference between the number of quarks and antiquarks in a system

Class of subatomic particle

Airborne computer built by IBM in the 1950s for the B-52 strategic bomber

Calorimeter (particle physics)

Experimental apparatus that measures the energy of particles

Charge conservation

Fundamental physical law – electric charge is continuously conserved in space and time

Chirality (physics)

Phenomenon applied in physics

Particle detector for visualizing ionizing radiation

Type of particle accelerator

Quantum number related to the strong force

Violation of charge-parity symmetry in particle physics and cosmology

Invariance under simultaneous charge conjugation, parity transformation and time reversal

Discovery of the neutron

Scientific background leading to the discovery of subatomic particles

Elastic scattering

Type of particle scattering in which kinetic energy is conserved but direction is modified

Subatomic particle with negative electric charge (−1)

Electron neutrino

Neutral subatomic elementary particle of first generation of leptons

Electroweak interaction

Unified description of electromagnetism and the weak interaction

Elementary particle

Subatomic particle having no known substructure

One of two classes of elementary particles

Feynman diagram

Pictorial representation of the behavior of subatomic particles

Flavour (particle physics)

Type of elementary particles occurring in the Standard Model

Particles (quanta of a field) that give rise to forces between other particles

Free neutron decay

Decay of a neutron when outside a nucleus

Force carrier, a bosonic particle

Generation (particle physics)

Division of elementary particles

Elementary particle that mediates the strong force

Grand Unified Theory

Particle physics model

Hypothetical elementary particle that mediates gravitation

Composite subatomic particle

Hierarchy problem

Why is gravity weaker, compared to other fundamental forces

Elementary particle involved with rest mass

Higgs mechanism

Mechanism that explains the generation of mass for gauge bosons

Quantum number conserved under the strong interaction; a single charge operator that accounts for properties of isospin, electric charge, and flavour

Type of strange baryon

Inelastic scattering

Particle scattering in which kinetic energy is not conserved

Quantum number related to the weak interaction

Neutral meson having charm quark and charm anti quark

Infrastructure for managing OWL-DL, SWRL, and F-Logic ontologies

Large Hadron Collider

Particle accelerator at CERN, Switzerland

Class of elementary particles that do not undergo strong interactions

Conserved quantum number representing the number of leptons minus the number of antileptons in an elementary particle reaction

Linear particle accelerator

Type of particle accelerator

List of particles

Massless particle

Quantum particle having zero rest mass (zero invariant or intrinsic mass)

Subatomic particle; made of equal numbers of quarks and antiquarks

Minimal Supersymmetric Standard Model

Supersymmetric extension to the Standard Model

Framework of superstring theory

Subatomic particle

Neutral subatomic elementary particle

Elementary particle with extremely low mass

Neutrino oscillation

Phenomenon in which a neutrino changes lepton flavor as it travels

Subatomic particle with no charge

Noether's theorem

Statement relating differentiable symmetries to conserved quantities

Pair production

Interaction of photon with matter resulting into ejection of electron-positron pair

Small localized object considered in physical sciences

Particle accelerator

Device to propel charged particles to high speeds

Spontaneous process of one unstable subatomic particle transforming into multiple other particles

Particle detector

Device used to detect, track, and/or identify ionising particles

Particle physics

Branch of physics

Exotic baryon consisting of five quarks

Particle nature of light

Physics beyond the Standard Model

Theories trying to extend known physics

Subatomic particle with positive charge

Protein pigeon homolog

Protein-coding gene in the species Homo sapiens

Proton (disambiguation)

Topics referred to by the same term

Hypothetical particle decay process of a proton

Theorized phases of matter whose degrees of freedom include quarks and gluons

Quake Army Knife

3D asset developing program

Classification scheme of hadrons

Relativistic Heavy Ion Collider

Heavy-ion collider at Brookhaven National Laboratory

Scalar field theory

Field theory of scalar fields

General physical process where waves are forced to deviate from a straight trajectory due to localized non-uniformities in the medium through which they pass

Semiconductor detector

Device using a semiconductor (silicon or germanium) to measure radiations

Intrinsic form of angular momentum as a property of quantum particles

Spontaneous symmetry breaking

Physical process

Theory of forces and subatomic particles

Property of subatomic particles; the number of strange antiquarks minus strange quarks

String (physics)

Hypothetical physical entity in string theory

Theoretical framework in physics

Subatomic particle

Particle whose size or mass is less than that of the atom, or of which the atom is composed; small quantum particle

Combination of the principles of supersymmetry and general relativity

Superstring theory

Theory of strings with supersymmetry

Symmetry between bosons and fermions

Symmetry breaking

Physical process transitioning a system from a symmetric state to a more ordered state

Hypothetical faster-than-light particle

Elementary subatomic particle with negative electric charge

Neutral subatomic elementary particle

Exotic meson composed of four valence quarks

Particle accelerator

Theory of everything

Hypothetical single, all-encompassing, coherent theoretical framework of physics

Thomson scattering

Scattering of electromagnetic radiation by a free charged particle

Unified field theory

Type of physical field theory unifying fundamental forces

Background energy existing in space

Virtual particle

Transient quantum fluctuation (physics)

Elementary particles; gauge bosons that mediate the weak interaction

Weak hypercharge

Quantum number relating the electric charge and the third component of weak isospin

Quantum number of elementary particles

Yang–Mills theory

Physical theory unifying the electromagnetic, weak and strong interactions