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1 Press release Brussels, 8 October 2013 Nobel Prize for
1 Press release Brussels, 8 October 2013 Nobel Prize for

Field Particles - X-ray and Observational Astronomy Group
Field Particles - X-ray and Observational Astronomy Group

Plain text version - FCC Week 2016
Plain text version - FCC Week 2016

... The Future Circular Collider study (FCC) explores different designs of circular colliders for the postLHC era. The FCC collaboration will deliver a conceptual design report by the end of 2018, together with preliminary cost estimates and feasibility assessments that will lay the foundations for the ...
The standard model of particle physics
The standard model of particle physics

... field permeating all space, called the Higgs field, is invoked to explain the observation that the symmetries of the electroweak theory are broken to the residual gauge symmetry of QED. Particles that interact with the Higgs field cannot propagate at the speed of light, and acquire masses, in analog ...
Lecture 5: Physics Beyond the Standard Model and Supersymmetry
Lecture 5: Physics Beyond the Standard Model and Supersymmetry

... physics through a finite number of parameters (19) • These parameters are the particle masses, interaction strengths, etc • A fundamental description of physics at all energy scales would determine the masses and interaction strengths from first principles. In the Standard Model these are parameters ...
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Intro to particle physics 1. Particles, Fields

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Supersymmetry

...  Susy theory assumes also that the super partner of the electron is a boson called the selectron: m (e)=m(se).  However, there is no experimental (or observational) indication about the existence of the selectron. Interpretation ! ...
The Accurate Mass Formulas of Leptons, Quarks, Gauge Bosons
The Accurate Mass Formulas of Leptons, Quarks, Gauge Bosons

ppt - Nikhef
ppt - Nikhef

... Why is gravity not a part of the Standard Model ? What is the origin of particle mass ? (Higgs mechanism) ...
Higgs Colliquium, U of South Carolina - Physics
Higgs Colliquium, U of South Carolina - Physics

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Accelerators and Detectors

... B-field and RF synchronised SpS at CERN with particle speed radius ρ stays constant Superconducting dipole magnets B-fields up to 8 Tesla Quadrupole magnets focus beam alternate focusing and defocusing in horizontal and vertical plane ...
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Studies of effective theories beyond the Standard Model

... us with knowledge about the largest scales of our Universe. A natural part of human societies has for many centuries been the building and organization of the systematic studies of the material world. Stemming from the latin word for knowledge, “scientia”, is the concept of science. Or, perhaps bett ...
Heuer.Coll - Farewell Colloquium for Rolf-Dieter Heuer
Heuer.Coll - Farewell Colloquium for Rolf-Dieter Heuer

... What are the forces ? Can quantum physics and general relativity be united? What happened in the very early universe ? ...
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Light neutrino mass spectrum with one or two right

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Particle Fever

... science is revealed in the film, its real topic is doing science, enjoying science, and the kinds of people who devote their careers to science. The film follows seven scientists and engineers for up to six years, leading up to the dramatic discovery in 2012 of a long-sought sub-atomic particle, the ...
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The Standard Model of Particle Physics

... coupling of four fermions to one another. In the ensuing years the search for renormalizable theories of strong and weak interactions, coupled with experimental discoveries and attempts to interpret available data, led to the formulation of the SM, which has been experimentally veri ed to a high deg ...
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SOME REMARKS ON THE BOSON MASS SPECTRUM IN A 3-3

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arXiv:1412.5987v1 [hep-ex] 18 Dec 2014

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Particle Physics - UW High Energy Physics

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Outline Solutions to Particle Physics Problem Sheet 1

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Lecture 23

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The Standard Model of Particle Physics: An - LAPTh

... non-Abelian SU (2)L , which besides τ ± has also “a neutral” generator τ 3 . There will therefore be 3 compensating gauge fields: Wµ± , Wµ3 . SU (2)L symmetry predicts the coupling of W 3 : ĒL γµ Wµ3 τ 3 EL = ν̄e γµ Wµ3 νe − ēL γµ Wµ3 eL . Unfortunately this neutral current does not correspond to ...
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Physics of the Large Hadron Collider Lecture 1: Fundamentals of the

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Uranium-238 Decay Series

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Particle Physics Experiments

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Search for the Higgs boson

The search for the Higgs boson was a 40-year effort by physicists to prove the existence or non-existence of the Higgs boson, first theorised in the 1960s. The Higgs boson is the last unobserved fundamental particle in the Standard Model of particle physics, and its discovery would be the ""ultimate verification"" of the Standard Model. In March 2013, the Higgs Boson was officially confirmed to exist.A confirmed answer would additionally prove or disprove the existence of the hypothetical Higgs field—a field of immense significance that is hypothesised as the source of electroweak symmetry breaking and the means by which elementary particles acquire mass. Symmetry breaking is considered proven but confirming exactly how this occurs in nature is a major unanswered question in physics. Proof of the Higgs field (by observing the associated particle), and evidence of its properties, is likely to greatly affect human understanding of the universe, validate the final unconfirmed part of the Standard Model as essentially correct, indicate which of several current particle physics theories are more likely correct, and open up ""new"" physics beyond current theories. If the Higgs boson were shown not to exist, other alternative sources for the Higgs mechanism would need to be considered and the same experimental equipment would be used for that purpose.Despite their importance, the search and any proof have been extremely difficult and taken decades, because direct production, detection and verification of the Higgs boson on the scale needed to confirm the discovery and learn its properties requires a very large experimental project and huge computing resources. For this reason, most experiments until around 2011 aimed to exclude ranges of masses that the Higgs could not have. Ultimately the search led to the construction of the Large Hadron Collider (LHC) in Geneva, Switzerland, the largest particle accelerator in the world, designed especially for this and other high-energy tests of the Standard Model.Experiments showed tentative positive signs were found at the end of 2011, and on 4 July 2012 CERN announced that two different experimental teams (the CMS and the ATLAS teams), working in isolation from each other, independently announced they had each confirmed the same result–a previously unknown boson of mass between 125 and 7002127000000000000♠127 GeV/c2 was proven to exist with a likelihood of error under one in a million in each experiment. The newly discovered particle's behaviour has so far been ""consistent with"" that of the theorized Higgs boson; however, as of August 2012 it has yet to be confirmed as a Higgs boson, nor are its properties fully known.
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