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Rare $ B $ Decays as Tests of the Standard Model
Rare $ B $ Decays as Tests of the Standard Model

institut de física corpuscular - Instituto de Física Corpuscular
institut de física corpuscular - Instituto de Física Corpuscular

The Oscillating Neutrino
The Oscillating Neutrino

Departamento de Fısica Te´orica Calibration of the Electromagnetic
Departamento de Fısica Te´orica Calibration of the Electromagnetic

Fundamental Concepts of Particle Accelerators
Fundamental Concepts of Particle Accelerators

Title of slide - Centre for Particle Physics
Title of slide - Centre for Particle Physics

Particle Physics 2011
Particle Physics 2011

... The year 2011 marks a record year for the Large Hadron Collider (LHC) at CERN in Geneva. The accelerator crew increased the luminosity beyond even the most optimistic expectations, by a factor of approximately 100 compared to 2010. The collected luminosity provides the basis for a multitude of very ...
Astroparticle physics at LHC - Institute of Physics (IoP)
Astroparticle physics at LHC - Institute of Physics (IoP)

... weak force. Such a Weakly Interacting Massive Particle (WIMP) is often predicted in theories beyond the standard model and is ought to be produced in particle collider experiments with sufficient available energy. Important evidence could be found in the analysis of high energy collisions in the Lar ...
pdf book - Lowndes County Historical Society Museum
pdf book - Lowndes County Historical Society Museum

JHEP07(2007)083 - IHEP Diffractive Group
JHEP07(2007)083 - IHEP Diffractive Group

... As was argued in [31] this must have observable effects. However, in this paper we do not take this requirement into account, considering such effects as a kind of “fine structure” which is beyond the accuracy level we adopted. It is shown in [32] that the assumption of the linearity of Regge trajec ...
COSMIC RAY SHOWERs
COSMIC RAY SHOWERs

... Particle ID with transition radiation possible (π,K,p) … interesting challenge to improve. Bent crystal channeling to extend xF – coverage possible … interesting challenge to improve. Open & accessible & small so evolution of techniques natural. How and where? Want many months of running with low pi ...
The Large Hadron Collider - the World`s Largest Microscope
The Large Hadron Collider - the World`s Largest Microscope

Introduction to Spontaneous Symmetry Breaking
Introduction to Spontaneous Symmetry Breaking

... group G . As a consequence, the particles will form multiplets of symm group H . For example, if symmetry SU (2 ) SU (2 ) is spontaneously broken to SU (2 ) , particles will form SU (2 ) multiplets Ling-Fong Li (Carnegie Mellon University) Introduction to Spontaneous Symmetry Breaking 2011 BCVSPIN, ...
Lecture 1
Lecture 1

Beyond the Standard Model
Beyond the Standard Model

... physics beyond the Standard Model. Although such ideas often have a finite life-time, there are many that have been around for a decade or more, and are likely to play an important rôle in particle physics at least for another decade. The emphasis is on those ideas that are likely to survive for a ...
Monday, Nov. 27, 2006 - UTA High Energy Physics page.
Monday, Nov. 27, 2006 - UTA High Energy Physics page.

LHC the guide
LHC the guide

15. GRAND UNIFIED THEORIES 15. Grand Unified Theories 15.1. Grand Unification 1
15. GRAND UNIFIED THEORIES 15. Grand Unified Theories 15.1. Grand Unification 1

Overview of Neutrino Physics Issues and Opportunities Andr´ e de Gouvˆ
Overview of Neutrino Physics Issues and Opportunities Andr´ e de Gouvˆ

Reconstruction of ttZ Events Using Kinematic Likelihood Fits at the
Reconstruction of ttZ Events Using Kinematic Likelihood Fits at the

Coupling measurement of the Higgs boson and search for heavy
Coupling measurement of the Higgs boson and search for heavy

Grand Unified Models and Cosmology
Grand Unified Models and Cosmology

... The hot big-bang cosmology predicts the expansion of the universe and the present abundances of the light-elements. Its best recent success is the predicted perfect black-body spectrum of the cosmic background radiation (CBR) measured by COBE (Cosmic Background Explorer Satellite) [15]. But in spite ...
Ecole Doctorale de Physique et de Chimie Physique
Ecole Doctorale de Physique et de Chimie Physique

Task A - MIT CMS Tier-2 Facility
Task A - MIT CMS Tier-2 Facility

Multi-Majoron Modes for Neutrinoless Double
Multi-Majoron Modes for Neutrinoless Double

1 2 3 4 5 ... 21 >

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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