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Weak Interactions - University of Tennessee Physics
Weak Interactions - University of Tennessee Physics

Higgs-‐Englert boson and vacuity: A parallelism between the vision
Higgs-‐Englert boson and vacuity: A parallelism between the vision

Titles and Abstracts
Titles and Abstracts

... consisting of the class operators of the group. This approach had been successfully applied to all of the finite groups and compact Lie groups and various useful coefficients for physical application of group representation theory had been calculated and tabulated. Feng-Shou Zhang (Beijing Normal Un ...
FlerasLectures - University of Oklahoma
FlerasLectures - University of Oklahoma

Particle Physics Today 2
Particle Physics Today 2

... What is SUSY ? • Particles exist as (eg e, , q) – matter particles  Bosons (eg , Z, W) – force carriers  Fermions ...
A New Perspective on Chiral Gauge Theories
A New Perspective on Chiral Gauge Theories

How does one probe dense matter at 1012 K ?
How does one probe dense matter at 1012 K ?

... Do you believe it? This is an active area of current research. ...
Introduction to Renormalization Group Alex Kovner Valparaiso, December 12-14, 2013
Introduction to Renormalization Group Alex Kovner Valparaiso, December 12-14, 2013

Search for anomalous production of prompt same-sign
Search for anomalous production of prompt same-sign

... in a cone of size ∆R = 0.3 surrounding the electron track (the latter being excluded from the sum) is required to be less than 10% of the electron pT . The isolation selections were optimised using electron pairs with a mass compatible with the Z boson in the data, such that the application of both ...
Lectures on Quantum Chromodynamics
Lectures on Quantum Chromodynamics

... • The grade of the final exam by itself (i.e. without combining it with the grade from the hand-in exercises) and before applying the relevant weight of 0.8 needs to be above 5.5 (out of 10) or 55 (out of 100), • and the final grade which comes from the combination of both the final exam and the han ...
In Search of the God Particle
In Search of the God Particle

... became massive – that is to say, they acquired mass. It is because of this mass that we are here today. We started this journey with the question: How do elementary particles get their mass? According to the prevailing theory, this breaking of symmetry made it possible for the particles to have mass ...
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Document

... Strangeness production not described by leading order calculation (contrary to pion production). It needs multiple parton scattering (e.g. EPOS) or NLO corrections to describe strangeness production. Part of it is a mass effect (plus a baryon-meson effect) but in addition there is a strangeness ‘pen ...
Basics of Particle Physics - The University of Oklahoma
Basics of Particle Physics - The University of Oklahoma

... Particle physics is a branch of physics that studies the elementary constituents of matter and radiation, and the interactions between them. It is also called "high energy physics", because many elementary particles do not occur under normal circumstances in nature, but can be created and detected d ...
The Higgs Discovery as a Diagnostic Causal Inference
The Higgs Discovery as a Diagnostic Causal Inference

Trigger Studies with Minimum Bias data samples
Trigger Studies with Minimum Bias data samples

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QCD Factorization for Semi-Inclusive DIS
QCD Factorization for Semi-Inclusive DIS

A review of E infinity theory and the mass spectrum of high energy
A review of E infinity theory and the mass spectrum of high energy

... gravity of space–time is a hyperbolic fractal on a Klein modular group akin to what is shown in the figure. The relevance to high energy physics is more direct than one may suspect. For instance, the Weinberg mixing parameter sin2 hw at the electroweak scale is given by the cosine of the 3p=7 angle o ...
Infrared and ultraviolet cutoffs of quantum field theory
Infrared and ultraviolet cutoffs of quantum field theory

... to have a modification of Lorentz transformations compatible with the presence of an observer-independent scale of length has been only recently initiated to be explored [13]. In order for the dispersion relation Eq. (5) to be compatible with the very stringent limits on CPT violation [14] it is ne ...
Fermion-Fermion and Boson-Boson Interactions at low
Fermion-Fermion and Boson-Boson Interactions at low

1_CrivellinFPCP2017
1_CrivellinFPCP2017

... Avoid vector-like quarks by assigning charges to baryons as well  Same mechanism in the quark and lepton sector Lμ-Lτ in lepton sector  Good symmetry for the PMNS matrix ...
constitution of matter, the standard model
constitution of matter, the standard model

... but massive nucleus. Quantum Theory made sense of atomic spectra and electron orbitals. Scattering experiments probed the constitution of the atom. The discovery of the neutron by Chadwick explained the occurrence of the nuclear isotopes. Protons, neutrons, and electrons provided a model for the bui ...
Pion as a Nambu-Goldstone boson
Pion as a Nambu-Goldstone boson

Relativistic nucleus-nucleus collisions, Transverse mass, Effective
Relativistic nucleus-nucleus collisions, Transverse mass, Effective

Probing order beyond the Landau paradigm
Probing order beyond the Landau paradigm

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Technicolor (physics)

Technicolor theories are models of physics beyond the standard model that address electroweak gauge symmetry breaking, the mechanism through which W and Z bosons acquire masses. Early technicolor theories were modelled on quantum chromodynamics (QCD), the ""color"" theory of the strong nuclear force, which inspired their name.Instead of introducing elementary Higgs bosons to explain observed phenomena, technicolor models hide electroweak symmetry and generate masses for the W and Z bosons through the dynamics of new gauge interactions. Although asymptotically free at very high energies, these interactions must become strong and confining (and hence unobservable) at lower energies that have been experimentally probed. This dynamical approach is natural and avoids issues of Quantum triviality and the hierarchy problem of the Standard Model.In order to produce quark and lepton masses, technicolor has to be ""extended"" by additional gauge interactions. Particularly when modelled on QCD, extended technicolor is challenged by experimental constraints on flavor-changing neutral current and precision electroweak measurements. It is not known what is the extended technicolor dynamics.Much technicolor research focuses on exploring strongly interacting gauge theories other than QCD, in order to evade some of these challenges. A particularly active framework is ""walking"" technicolor, which exhibits nearly conformal behavior caused by an infrared fixed point with strength just above that necessary for spontaneous chiral symmetry breaking. Whether walking can occur and lead to agreement with precision electroweak measurements is being studied through non-perturbative lattice simulations.Experiments at the Large Hadron Collider are expected to discover the mechanism responsible for electroweak symmetry breaking, and will be critical for determining whether the technicolor framework provides the correct description of nature. In 2012 these experiments declared the discovery of a Higgs-like boson with mass approximately 7002125000000000000♠125 GeV/c2; such a particle is not generically predicted by technicolor models, but can be accommodated by them.
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