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In particle physics, a hadron (ἁδρός, hadrós, "stout, thick") is a composite particle made of quarks held together by the strong force (in a similar way as molecules are held together by the electromagnetic force). [1]

73 relations: Antiparticle, Asymptotic freedom, Atomic nucleus, Baryon, Baryon number, Belle experiment, Boson, Bound state, C parity, Color charge, Color confinement, Coupling constant, Down quark, Electric charge, Electromagnetism, Electronvolt, Excited state, Exotic hadron, Exotic meson, Exponential decay, Fermion, Flavour (particle physics), Free particle, Glueball, Gluon, Ground state, Hadronization, Half-life, International Conference on High Energy Physics, Isospin, Kaon, Large Hadron Collider, Lepton, Lev Okun, LHCb, List of particles, Mass, Mass–energy equivalence, Matter, Meson, Molecule, Neutron, Nuclear force, Parity (physics), Particle Data Group, Particle decay, Particle physics, Particle physics experiments, Particle therapy, Pentaquark, ..., Phase (matter), Physical Review Letters, Physics Letters, Pion, Plenary session, Poincaré group, Proton, Quantum chromodynamics, Quantum number, Quark, Quark model, Representation theory, Resonance (particle physics), Second, Spin (physics), Standard Model, Strangeness, Strong interaction, Subatomic particle, Tetraquark, Up quark, Virtual particle, Z(4430). Expand index (23 more) »


Corresponding to most kinds of particles, there is an associated antimatter antiparticle with the same mass and opposite charge (including electric charge).

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Asymptotic freedom

In physics, asymptotic freedom is a property of some gauge theories that causes bonds between particles to become asymptotically weaker as energy increases and distance decreases.

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Atomic nucleus

The nucleus is the small, dense region consisting of protons and neutrons at the center of an atom.

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A baryon is a composite subatomic particle made up of three quarks (as distinct from mesons, which are composed of one quark and one antiquark).

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Baryon number

In particle physics, the baryon number is a strictly conserved additive quantum number of a system.

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Belle experiment

The Belle experiment is a particle physics experiment conducted by the Belle Collaboration, an international collaboration of more than 400 physicists and engineers investigating CP-violation effects at the High Energy Accelerator Research Organisation (KEK) in Tsukuba, Ibaraki Prefecture, Japan.

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In quantum mechanics, a boson is a particle that follows Bose–Einstein statistics.

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Bound state

In quantum physics, a bound state describes a system where a particle is subject to a potential such that the particle has a tendency to remain localised in one or more regions of space.

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C parity

In physics, the C parity or charge parity is a multiplicative quantum number of some particles that describes their behavior under the symmetry operation of charge conjugation.

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Color charge

Color charge is a property of quarks and gluons that is related to the particles' strong interactions in the theory of quantum chromodynamics (QCD).

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Color confinement

Color confinement, often simply called confinement, is the phenomenon that color charged particles (such as quarks) cannot be isolated singularly, and therefore cannot be directly observed.

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Coupling constant

In physics, a coupling constant or gauge coupling parameter is a number that determines the strength of the force exerted in an interaction.

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Down quark

The down quark or d quark (symbol: d) is the second-lightest of all quarks, a type of elementary particle, and a major constituent of matter.

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Electric charge

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.

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Electromagnetism is a branch of physics which involves the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.

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In physics, the electronvolt (symbol eV; also written electron volt) is a unit of energy equal to approximately 160 zeptojoules (symbol zJ) or joules (symbol J).

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Excited state

Excitation is an elevation in energy level above an arbitrary baseline energy state.

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Exotic hadron

Exotic hadrons are subatomic particles composed of quarks and gluons, but which do not fit into the usual scheme of hadrons.

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Exotic meson

Non-quark model mesons include.

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Exponential decay

A quantity is subject to exponential decay if it decreases at a rate proportional to its current value.

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In particle physics, a fermion (a name coined by Paul Dirac from the surname of Enrico Fermi) is any particle characterized by Fermi–Dirac statistics.

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Flavour (particle physics)

In particle physics, flavour or flavor refers to a species of an elementary particle.

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Free particle

In physics, a free particle is a particle that, in some sense, is not bound by an external force, or equivalently not in a region where its potential energy varies.

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In particle physics, a glueball is a hypothetical composite particle.

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No description.

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Ground state

The ground state of a quantum mechanical system is its lowest-energy state; the energy of the ground state is known as the zero-point energy of the system.

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In particle physics, hadronization (or hadronisation) is the process of the formation of hadrons out of quarks and gluons.

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Half-life (t1⁄2) is the amount of time required for the amount of something to fall to half its initial value.

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International Conference on High Energy Physics

ICHEP or International Conference on High Energy Physics is one of the most prestigious international scientific conferences in the field of particle physics, bringing together leading theorists and experimentalists of the world.

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In nuclear physics and particle physics, isospin (isotopic spin, isobaric spin) is a quantum number related to the strong interaction.

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In particle physics, a kaon, also called a K meson and denoted,The positively charged kaon used to be called τ+ and θ+, as it was supposed to be two different particles until the 1960s.

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Large Hadron Collider

The Large Hadron Collider (LHC) is the world's largest and most powerful particle collider, the largest, most complex experimental facility ever built, and the largest single machine in the world.

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A lepton is an elementary, half-integer spin (spin) particle that does not undergo strong interactions, but is subject to the Pauli exclusion principle.

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Lev Okun

Lev Borisovich Okun (Лев Борисович Окунь) is a Russian theoretical physicist.

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The LHCb (standing for "Large Hadron Collider beauty") experiment is one of seven particle physics detector experiments collecting data at the Large Hadron Collider accelerator at CERN.

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List of particles

This is a list of the different types of particles found or believed to exist in the whole of the universe.

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In physics, mass is a property of a physical body which determines the strength of its mutual gravitational attraction to other bodies, its resistance to being accelerated by a force, and in the theory of relativity gives the mass–energy content of a system.

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Mass–energy equivalence

In physics, mass–energy equivalence is the concept that the mass of an object or system is a measure of its energy content.

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Before the 20th century, the term matter included ordinary matter composed of atoms and excluded other energy phenomena such as light or sound.

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In particle physics, mesons are hadronic subatomic particles composed of one quark and one antiquark, bound together by the strong interaction.

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A molecule (from Latin moles "mass") is an electrically neutral group of two or more atoms held together by chemical bonds.

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The neutron is a subatomic particle, symbol or, with no net electric charge and a mass slightly larger than that of a proton.

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Nuclear force

The nuclear force (or nucleon–nucleon interaction or residual strong force) is the force between protons and neutrons, subatomic particles that are collectively called nucleons.

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Parity (physics)

In quantum physics, a parity transformation (also called parity inversion) is the flip in the sign of one spatial coordinate.

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Particle Data Group

The Particle Data Group (or PDG) is an international collaboration of particle physicists that compiles and reanalyzes published results related to the properties of particles and fundamental interactions.

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Particle decay

Particle decay is the spontaneous process of one elementary particle transforming into other elementary particles.

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Particle physics

Particle physics is the branch of physics that studies the nature of the particles that constitute matter (particles with mass) and radiation (massless particles).

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Particle physics experiments

Particle physics experiments briefly discusses a number of past, present, and proposed experiments with particle accelerators, throughout the world.

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Particle therapy

Particle therapy is a form of external beam radiotherapy using beams of energetic protons, neutrons, or positive ions for cancer treatment.

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A pentaquark is a subatomic particle consisting of four quarks and one antiquark bound together.

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Phase (matter)

In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform.

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Physical Review Letters

Physical Review Letters (PRL), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society.

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Physics Letters

Physics Letters was a scientific journal published from 1962 to 1966, when it split in two series now published by Elsevier.

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In particle physics, a pion (or a pi meson, denoted with the Greek letter pi) is any of three subatomic particles:,, and.

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Plenary session

A plenary session (with a plenary speech or plenary talk) is derived from the Latin root plenarius meaning "full" or "absolute".

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Poincaré group

The Poincaré group, named after Henri Poincaré, is the group of Minkowski spacetime isometries.

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| magnetic_moment.

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Quantum chromodynamics

In theoretical physics, quantum chromodynamics (QCD) is the theory of strong interactions, a fundamental force describing the interactions between quarks and gluons which make up hadrons such as the proton, neutron and pion.

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Quantum number

Quantum numbers describe values of conserved quantities in the dynamics of a quantum system.

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A quark is an elementary particle and a fundamental constituent of matter.

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Quark model

In particle physics, the quark model is a classification scheme for hadrons in terms of their valence quarks—the quarks and antiquarks which give rise to the quantum numbers of the hadrons.

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Representation theory

Representation theory is a branch of mathematics that studies abstract algebraic structures by representing their elements as linear transformations of vector spaces, and studies modules over these abstract algebraic structures.

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Resonance (particle physics)

In particle physics, a resonance is the peak located around a certain energy found in differential cross sections of scattering experiments.

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The second (symbol: s) (abbreviated s or sec) is the base unit of time in the International System of Units (SI).

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Spin (physics)

In quantum mechanics and particle physics, spin is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.

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Standard Model

The Standard Model of particle physics is a theory concerning the electromagnetic, weak, and strong nuclear interactions, as well as classifying all the subatomic particles known.

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In particle physics, strangeness ("S") is a property of particles, expressed as a quantum number, for describing decay of particles in strong and electromagnetic reactions, which occur in a short period of time.

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Strong interaction

In particle physics, the strong interaction is the mechanism responsible for the strong nuclear force (also called the strong force, nuclear strong force or colour force), one of the four fundamental interactions of nature, the others being electromagnetism, the weak interaction and gravitation.

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Subatomic particle

In the physical sciences, subatomic particles are particles much smaller than atoms.

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A tetraquark, in particle physics, is an exotic meson composed of four valence quarks.

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Up quark

The up quark or u quark (symbol: u) is the lightest of all quarks, a type of elementary particle, and a major constituent of matter.

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Virtual particle

In physics, a virtual particle is an explanatory conceptual entity that is found in mathematical calculations about quantum field theory.

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Z(4430) is a mesonic resonance discovered by the Belle experiment.

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Hadron (subatomic particle), Hadron physics, Hadronic, Hadronics, Hadrons.


[1] https://en.wikipedia.org/wiki/Hadron

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