## Table of Contents

41 relations: Antiparticle, B − L, Baryon number, Bottom quark, Charm quark, Conservation law, Down quark, Electromagnetism, Electron, Electron neutrino, Fermion, Gluon, Grand Unified Theory, Gravity, Helicity (particle physics), Higgs boson, Lepton number, Mathematical formulation of the Standard Model, Muon, Muon neutrino, Noether's theorem, Particle physics, Photon, Positron, Proton, Proton decay, Quantum number, Quark, Radioactive decay, SO(10), Standard Model, Strange quark, Strong interaction, Tau (particle), Tau neutrino, Top quark, Up quark, W and Z bosons, Weak hypercharge, Weak interaction, X and Y bosons.

- Standard Model

## Antiparticle

In particle physics, every type of particle of "ordinary" matter (as opposed to antimatter) is associated with an antiparticle with the same mass but with opposite physical charges (such as electric charge). X (charge) and antiparticle are particle physics.

See X (charge) and Antiparticle

## B − L

In particle physics, B − L (pronounced "bee minus ell") is a quantum number which is the difference between the baryon number and the lepton number of a quantum system. X (charge) and b − L are particle physics stubs.

## Baryon number

In particle physics, the baryon number is a strictly conserved additive quantum number of a system. X (charge) and baryon number are nuclear physics and Standard Model.

See X (charge) and Baryon number

## Bottom quark

The bottom quark, beauty quark, or b quark, is an elementary particle of the third generation.

See X (charge) and Bottom quark

## Charm quark

The charm quark, charmed quark, or c quark is an elementary particle found in composite subatomic particles called hadrons such as the J/psi meson and the charmed baryons created in particle accelerator collisions.

See X (charge) and Charm quark

## Conservation law

In physics, a conservation law states that a particular measurable property of an isolated physical system does not change as the system evolves over time.

See X (charge) and Conservation law

## Down quark

The down quark (symbol: d) is a type of elementary particle, and a major constituent of matter.

## Electromagnetism

In physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields.

See X (charge) and Electromagnetism

## Electron

The electron (or in nuclear reactions) is a subatomic particle with a negative one elementary electric charge.

## Electron neutrino

The electron neutrino is an elementary particle which has zero electric charge and a spin of.

See X (charge) and Electron neutrino

## Fermion

In particle physics, a fermion is a particle that follows Fermi–Dirac statistics.

## Gluon

A gluon is a type of massless elementary particle that mediates the strong interaction between quarks, acting as the exchange particle for the interaction.

## Grand Unified Theory

Grand Unified Theory (GUT) is any model in particle physics that merges the electromagnetic, weak, and strong forces (the three gauge interactions of the Standard Model) into a single force at high energies. X (charge) and Grand Unified Theory are particle physics.

See X (charge) and Grand Unified Theory

## Gravity

In physics, gravity is a fundamental interaction which causes mutual attraction between all things that have mass.

## Helicity (particle physics)

In physics, helicity is the projection of the spin onto the direction of momentum.

See X (charge) and Helicity (particle physics)

## Higgs boson

The Higgs boson, sometimes called the Higgs particle, is an elementary particle in the Standard Model of particle physics produced by the quantum excitation of the Higgs field, one of the fields in particle physics theory. X (charge) and Higgs boson are Standard Model.

See X (charge) and Higgs boson

## Lepton number

In particle physics, lepton number (historically also called lepton charge) is a conserved quantum number representing the difference between the number of leptons and the number of antileptons in an elementary particle reaction. X (charge) and lepton number are particle physics.

See X (charge) and Lepton number

## Mathematical formulation of the Standard Model

This article describes the mathematics of the Standard Model of particle physics, a gauge quantum field theory containing the internal symmetries of the unitary product group. X (charge) and Mathematical formulation of the Standard Model are Standard Model.

See X (charge) and Mathematical formulation of the Standard Model

## Muon

A muon (from the Greek letter mu (μ) used to represent it) is an elementary particle similar to the electron, with an electric charge of −1 e and spin-1/2, but with a much greater mass.

## Muon neutrino

The muon neutrino is an elementary particle which has the symbol and zero electric charge.

See X (charge) and Muon neutrino

## Noether's theorem

Noether's theorem states that every continuous symmetry of the action of a physical system with conservative forces has a corresponding conservation law.

See X (charge) and Noether's theorem

## Particle physics

Particle physics or high-energy physics is the study of fundamental particles and forces that constitute matter and radiation.

See X (charge) and Particle physics

## Photon

A photon is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force.

## Positron

The positron or antielectron is the particle with an electric charge of +1e, a spin of 1/2 (the same as the electron), and the same mass as an electron.

## Proton

A proton is a stable subatomic particle, symbol, H+, or 1H+ with a positive electric charge of +1 e (elementary charge).

## Proton decay

In particle physics, proton decay is a hypothetical form of particle decay in which the proton decays into lighter subatomic particles, such as a neutral pion and a positron. X (charge) and proton decay are nuclear physics.

See X (charge) and Proton decay

## Quantum number

In quantum physics and chemistry, quantum numbers are quantities that characterize the possible states of the system.

See X (charge) and Quantum number

## Quark

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

## Radioactive decay

Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation.

See X (charge) and Radioactive decay

## SO(10)

In particle physics, SO(10) refers to a grand unified theory (GUT) based on the spin group Spin(10).

## Standard Model

The Standard Model of particle physics is the theory describing three of the four known fundamental forces (electromagnetic, weak and strong interactions – excluding gravity) in the universe and classifying all known elementary particles. X (charge) and Standard Model are particle physics.

See X (charge) and Standard Model

## Strange quark

The strange quark or s quark (from its symbol, s) is the third lightest of all quarks, a type of elementary particle.

See X (charge) and Strange quark

## Strong interaction

In nuclear physics and particle physics, the strong interaction, also called the strong force or strong nuclear force, is a fundamental interaction that confines quarks into protons, neutrons, and other hadron particles. X (charge) and strong interaction are nuclear physics.

See X (charge) and Strong interaction

## Tau (particle)

The tau, also called the tau lepton, tau particle, tauon or tau electron, is an elementary particle similar to the electron, with negative electric charge and a 2.

See X (charge) and Tau (particle)

## Tau neutrino

The tau neutrino or tauon neutrino is an elementary particle which has the symbol and zero electric charge.

See X (charge) and Tau neutrino

## Top quark

The top quark, sometimes also referred to as the truth quark, (symbol: t) is the most massive of all observed elementary particles. X (charge) and top quark are Standard Model.

## Up quark

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

## W and Z bosons

In particle physics, the W and Z bosons are vector bosons that are together known as the weak bosons or more generally as the intermediate vector bosons. X (charge) and w and Z bosons are Standard Model.

See X (charge) and W and Z bosons

## Weak hypercharge

In the Standard Model of electroweak interactions of particle physics, the weak hypercharge is a quantum number relating the electric charge and the third component of weak isospin. X (charge) and weak hypercharge are nuclear physics and Standard Model.

See X (charge) and Weak hypercharge

## Weak interaction

In nuclear physics and particle physics, the weak interaction, also called the weak force, is one of the four known fundamental interactions, with the others being electromagnetism, the strong interaction, and gravitation. X (charge) and weak interaction are nuclear physics.

See X (charge) and Weak interaction

## X and Y bosons

In particle physics, the X and Y bosons (sometimes collectively called "X bosons") are hypothetical elementary particles analogous to the W and Z bosons, but corresponding to a unified force predicted by the Georgi–Glashow model, a grand unified theory (GUT).

See X (charge) and X and Y bosons

## See also

### Standard Model

- 1964 PRL symmetry breaking papers
- An Exceptionally Simple Theory of Everything
- Anomalous magnetic dipole moment
- Axial current
- B physics
- Baryon number
- Bimaximal mixing
- Cabibbo–Kobayashi–Maskawa matrix
- Chiral anomaly
- Electroweak theory
- Flavor-changing neutral current
- Flavour (particle physics)
- G-parity
- GIM mechanism
- Gell-Mann–Nishijima formula
- Helicity basis
- Hierarchy problem
- Higgs boson
- Higgs mechanism
- Higgs sector
- Hypercharge
- Kinoshita–Lee–Nauenberg theorem
- Mass generation
- Mathematical formulation of the Standard Model
- Meitner–Hupfeld effect
- Neutral particle oscillation
- Neutrino oscillation
- Neutrinoless double beta decay
- Nonoblique correction
- Nucleon spin structure
- Oblique correction
- Pontecorvo–Maki–Nakagawa–Sakata matrix
- Quantum chromodynamics
- Quantum electrodynamics
- Quark–lepton complementarity
- Search for the Higgs boson
- Spontaneous symmetry breaking
- Standard Model
- Top quark
- Tribimaximal mixing
- Trimaximal mixing
- Vacuum expectation value
- W and Z bosons
- Weak hypercharge
- Weak isospin
- X (charge)
- Yukawa interaction

## References

Also known as X charge, X-charge.