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46 relations: Action (physics), Chirality (physics), Complex conjugate, Determinant, Dirac spinor, Doublet state, Eigenvalues and eigenvectors, Electronvolt, Electroweak interaction, Electroweak scale, Gauge theory, Geometric mean, Grand unification energy, Grand Unified Theory, Higgs boson, Higgs mechanism, José W. F. Valle, Lepton, Lorentz covariance, Majorana equation, Majoron, Mass matrix, Matrix (mathematics), Murray Gell-Mann, Naturalness (physics), Neutrino, Neutrino oscillation, Particle physics, Perturbation theory (quantum mechanics), Pierre Ramond, Quadratic form, Quark, Rabindra Mohapatra, Renormalization, Richard Slansky, Seesaw, Singlet state, Spinor, Spontaneous symmetry breaking, Standard Model, Sterile neutrino, Vacuum expectation value, Weak hypercharge, Weak isospin, Weyl equation, Yukawa interaction.
Action (physics)
In physics, action is an attribute of the dynamics of a physical system from which the equations of motion of the system can be derived.
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Chirality (physics)
A chiral phenomenon is one that is not identical to its mirror image (see the article on mathematical chirality).
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Complex conjugate
In mathematics, the complex conjugate of a complex number is the number with an equal real part and an imaginary part equal in magnitude but opposite in sign.
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Determinant
In linear algebra, the determinant is a value that can be computed from the elements of a square matrix.
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Dirac spinor
In quantum field theory, the Dirac spinor is the bispinor in the plane-wave solution of the free Dirac equation, where (in the units \scriptstyle c \,.
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Doublet state
In quantum mechanics, a doublet is a mixed quantum state of a system with a spin of 1/2, such that there are two allowed values of the spin component, −1/2 and +1/2.
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Eigenvalues and eigenvectors
In linear algebra, an eigenvector or characteristic vector of a linear transformation is a non-zero vector that changes by only a scalar factor when that linear transformation is applied to it.
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Electronvolt
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).
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Electroweak interaction
In particle physics, the electroweak interaction is the unified description of two of the four known fundamental interactions of nature: electromagnetism and the weak interaction.
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Electroweak scale
In particle physics, the electroweak scale, also known as the Fermi scale, is the energy scale around 246 GeV, a typical energy of processes described by the electroweak theory.
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Gauge theory
In physics, a gauge theory is a type of field theory in which the Lagrangian is invariant under certain Lie groups of local transformations.
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Geometric mean
In mathematics, the geometric mean is a mean or average, which indicates the central tendency or typical value of a set of numbers by using the product of their values (as opposed to the arithmetic mean which uses their sum).
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Grand unification energy
The grand unification energy \Lambda_, or the GUT scale, is the energy level above which, it is believed, the electromagnetic force, weak force, and strong force become equal in strength and unify to one force governed by a simple Lie group.
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Grand Unified Theory
A Grand Unified Theory (GUT) is a model in particle physics in which, at high energy, the three gauge interactions of the Standard Model which define the electromagnetic, weak, and strong interactions, or forces, are merged into one single force.
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Higgs boson
The Higgs boson is an elementary particle in the Standard Model of particle physics.
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Higgs mechanism
In the Standard Model of particle physics, the Higgs mechanism is essential to explain the generation mechanism of the property "mass" for gauge bosons.
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José W. F. Valle
José W. F. Valle (born June 2, 1953) is a Brazilian-Spanish physicist and a Full Professor at the Spanish Council for Scientific Research CSIC.
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Lepton
In particle physics, a lepton is an elementary particle of half-integer spin (spin) that does not undergo strong interactions.
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Lorentz covariance
In relativistic physics, Lorentz symmetry, named for Hendrik Lorentz, is an equivalence of observation or observational symmetry due to special relativity implying that the laws of physics stay the same for all observers that are moving with respect to one another within an inertial frame.
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Majorana equation
The Majorana equation is a relativistic wave equation.
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Majoron
In particle physics, majorons (named after Ettore Majorana) are a hypothetical type of Goldstone boson that are theorized to mediate the neutrino mass violation of lepton number or ''B'' − ''L'' in certain high energy collisions such as Where two electrons collide to form two W bosons and the majoron J. The U(1)B–L symmetry is assumed to be global so that the majoron is not "eaten up" by the gauge boson and spontaneously broken.
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Mass matrix
In analytical mechanics, the mass matrix is a symmetric matrix M that expresses the connection between the time derivative \dot q of the generalized coordinate vector q of a system and the kinetic energy T of that system, by the equation where \dot q^\mathrm denotes the transpose of the vector \dot q. This equation is analogous to the formula for the kinetic energy of a particle with mass m and velocity v, namely and can be derived from it, by expressing the position of each particle of the system in terms of q. In general, the mass matrix M depends on the state q, and therefore varies with time.
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Matrix (mathematics)
In mathematics, a matrix (plural: matrices) is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns.
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Murray Gell-Mann
Murray Gell-Mann (born September 15, 1929) is an American physicist who received the 1969 Nobel Prize in physics for his work on the theory of elementary particles.
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Naturalness (physics)
In physics, naturalness is the property that the dimensionless ratios between free parameters or physical constants appearing in a physical theory should take values "of order 1" and that free parameters are not fine-tuned.
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Neutrino
A neutrino (denoted by the Greek letter ν) is a fermion (an elementary particle with half-integer spin) that interacts only via the weak subatomic force and gravity.
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Neutrino oscillation
Neutrino oscillation is a quantum mechanical phenomenon whereby a neutrino created with a specific lepton flavor (electron, muon, or tau) can later be measured to have a different flavor.
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Particle physics
Particle physics (also high energy physics) is the branch of physics that studies the nature of the particles that constitute matter and radiation.
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Perturbation theory (quantum mechanics)
In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one.
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Pierre Ramond
Pierre Ramond (born 31 January 1943) is distinguished professor of physics at University of Florida in Gainesville, Florida.
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Quadratic form
In mathematics, a quadratic form is a homogeneous polynomial of degree two in a number of variables.
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Quark
A quark is a type of elementary particle and a fundamental constituent of matter.
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Rabindra Mohapatra
Rabindra Nath Mohapatra (born 1 September 1944) is an Indian theoretical physicist, known for his work on the seesaw mechanism in neutrino physics.
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Renormalization
Renormalization is a collection of techniques in quantum field theory, the statistical mechanics of fields, and the theory of self-similar geometric structures, that are used to treat infinities arising in calculated quantities by altering values of quantities to compensate for effects of their self-interactions.
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Richard Slansky
Richard C. Slansky (3 April 1940 – 16 January 1998) was an American theoretical physicist.
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Seesaw
A seesaw (also known as a teeter-totter or teeterboard) is a long, narrow board supported by a single pivot point, most commonly located at the midpoint between both ends; as one end goes up, the other goes down.
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Singlet state
In quantum mechanics, a singlet state usually refers to a system in which all electrons are paired.
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Spinor
In geometry and physics, spinors are elements of a (complex) vector space that can be associated with Euclidean space.
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Spontaneous symmetry breaking
Spontaneous symmetry breaking is a spontaneous process of symmetry breaking, by which a physical system in a symmetric state ends up in an asymmetric state.
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Standard Model
The Standard Model of particle physics is the theory describing three of the four known fundamental forces (the electromagnetic, weak, and strong interactions, and not including the gravitational force) in the universe, as well as classifying all known elementary particles.
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Sterile neutrino
Sterile neutrinos (or inert neutrinos) are a hypothetical particle (neutral leptons – neutrinos) that interact only via gravity and do not interact via any of the fundamental interactions of the Standard Model.
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Vacuum expectation value
In quantum field theory the vacuum expectation value (also called condensate or simply VEV) of an operator is its average, expected value in the vacuum.
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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.
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Weak isospin
In particle physics, weak isospin is a quantum number relating to the weak interaction, and parallels the idea of isospin under the strong interaction.
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Weyl equation
In physics, particularly quantum field theory, the Weyl equation is a relativistic wave equation for describing massless spin-1/2 particles called Weyl fermions.
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Yukawa interaction
In particle physics, Yukawa's interaction or Yukawa coupling, named after Hideki Yukawa, is an interaction between a scalar field ϕ and a Dirac field ψ of the type The Yukawa interaction can be used to describe the nuclear force between nucleons (which are fermions), mediated by pions (which are pseudoscalar mesons).
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Redirects here:
See-saw mechanism, See-saw model, Seesaw model.
References
[1] https://en.wikipedia.org/wiki/Seesaw_mechanism
