electroweak theory


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electroweak theory

n
(Atomic Physics) another name for quantum flavourdynamics
References in periodicals archive ?
One hundred papers from the August 2011 conference discuss neutrino and astroparticle physics, electroweak theory, fundamental symmetries, test of standard model, heavy quark physics, non-perturbative QCD, and quantum gravity effects.
A unification of gravity in some analogous fashion to electroweak theory would benefit from having a its field be of the same type.
Among the topics are neutral current, physics at Z resonance, precision tests of electroweak theory, deep inelastic scattering, jets and fragmentations, gluons, and jets in hadron reactions.
Pakistan already has an early connection to CERN through the late Abdus Salam, the sole Nobel laureate from Pakistan in science and one of the fathers of the electroweak theory.
Until the announcement of its discovery on July 4, 2012, the Higgs was the only missing element in the Standard Model of Physics, a model that Salam contributed to through his work on electroweak theory -- decays instantaneously, so scientists had to confirm its existence through particles formed by its decomposition.
Among the topics are Yoji Totsuka (1942-2008) and the discovery of neutrino mass, statistical methods for selecting and estimating cosmological parameters, the role of sterile neutrinos in cosmology and astrophysics, physics at the Cornell electron storage ring, muon colliders and neutrino factories, the physics of cosmic acceleration, and unanswered questions in the electroweak theory.
Now a pair of Dutch researchers has won the 1999 Nobel Prize in Physics for finding a way to sidestep the absurdities, which led to tests and acceptance of the so-called electroweak theory.
The electroweak theory (see 1968) made it seem necessary for the weak interaction to involve three exchange particles, one positive (W+), one negative (W-), and one neutral (Z[degrees]).
It played a vital role in the discovery of de Broglie's wave theory of matter, the so-called Klein-Gordon equation (first discovered by Schrodinger), the Dirac equation of the electron, quantum electrodynamics, quantum electroweak theory, and quantum chromodynamics.
although physical quark masses are notoriously hard to define [8]) and pretending as if we knew nothing of the electroweak theory (in order not to get entangled with the Higgs mechanism again), using the old Fermi theory for weak interactions (or quantum flavordynamics, QFD) as appropriate for the low energies where observations of physical masses are actually made, using the physical coupling derived from typical scattering cross sections or decay rates ([[tau].
of Geneva) covers Lorentz and Poincare symmetries in quantum field theory, classical field theory, quantization of free fields, perturbation theory and Feynman diagrams, cross-section and decay rates, quantum electrodynamics, the low-energy limit of the electroweak theory, path integral quantization, non- abelian gauge theories, and spontaneous symmetry breaking.
Quantum electrodynamics corrects non-relativistic quantum theory, and the Salam-Weinberg electroweak theory corrects quantum electrodynamics.