'Gauge bosons' diaporamas de présentation

Gauge Theories

-. Gauge Theories. quantum electrodynamics. QED. -. Lagrangian of a free Dirac field. -. -. field strength. -. Lagrangian of QED:. interaction. gauge theory. e. -. fine-structure constant. =0.00729735253. ~1 / 137. Feynman diagram. Quantum Field Theory:

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Measurement of the Top Quark Pair Production Cross Section in pp collisions at ? s = 1.96 TeV

Measurement of the Top Quark Pair Production Cross Section in pp collisions at ? s = 1.96 TeV. Introduction Experimental Apparatus Event Reconstruction and Object Identification Event Trigger and Data Sample Analysis Overview Sample Preselection Jet Tagging Efficiencies

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Particle Physics

Particle Physics. Why do particle physics? Standard model particle physics is high energy physics accelerators detectors triggers, data recording analysis interpretation Webpages of interest http://www-d0.fnal.gov (Fermilab homepage)

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Boson Production at Hadron Colliders

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Discovery of the Higgs Boson

Discovery of the Higgs Boson. Gavin Lawes Department of Physics and Astronomy. Acknowledgements. Includes slides and images from: Robert Harr, Paul Karchin, and Sean Gavin (Wayne State University) LHC (CMS Collaboration)

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The Mysterious Standard Model of Elementary Particles

Paul Grannis Univ. Illinois/Chicago 3/8/00. The Mysterious Standard Model of Elementary Particles. The Standard Model of particle physics successfully explains and predicts many observed phenomena. But we believe it is fundamentally flawed, and will be replaced by a more complete theory.

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New Physics at TeV Scale & Precision EW Studies

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Irakli Chakaberia Final Examination April 28, 2014

First Measurement of Helicity Distributions from Proton-Proton Collisions at the CERN Large Hadron Collider using the CMS Detector. Irakli Chakaberia Final Examination April 28, 2014.

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Overview of Particle Physics -- the path to the Standard Model

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T. Lari INFN and Universita` degli studi, Milano ATLAS Collaboration

T. Lari INFN and Universita` degli studi, Milano ATLAS Collaboration. Searches for New Physics at the LHC. Introduction. Many extensions of the Standard Model are motivated by the hierarchy problem The Planck scale (10 19 GeV) >> EW scale (10 2 GeV)

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Physics 222 UCSD/225b UCSB

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Physics 222 UCSD/225b UCSB

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Discovery Potential of ATLAS for Extended Gauge Symmetries

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Physics Program at KEK-Tsukuba

Physics Program at KEK-Tsukuba. KEK, High Energy Accelerator Research Organization. October 21, 2010 Masa Yamauchi IPNS, KEK. Accelerators at KEK. J-PARC. Tokai. Tsukuba. KEKB. ATF. Synch. light facilities. Quest for Birth-Evolution o f Universe . Quest for Unifying

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CMS New Fermions and Gauge Interactions

CMS New Fermions and Gauge Interactions Sam Harper (RAL/STFC) on behalf of the CMS Collaboration Implications of LHC results for TeV -scale Physics: WG3, CERN, 30/8/11. Introduction. covered in top-like session.

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Search for new neutral gauge bosons and leptoquarks at the Tevatron

Search for new neutral gauge bosons and leptoquarks at the Tevatron. Alexei Safonov (Texas A&M University) For CDF and D0 Collaborations. Outline. New gauge boson searches: Motivation Status Of bread & butter dilepton searches More elaborate signatures with di-jets, di-bosons and top

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Ricerche extra-SUSY a LHC

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Himali Kalakhety , Marcus Hohlmann Department of Physics and Space Sciences

76th Annual Meeting , March 16-17, 2012. Search for a Z? boson in the dimuon channel in p-p collisions at ?s = 7TeV with CMS experiment at the Large Hadron Collider. Himali Kalakhety , Marcus Hohlmann Department of Physics and Space Sciences Florida Institute of Technology Melbourne, FL .

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SM Higgs in the 160-250 GeV Mass range

SM Higgs in the 160-250 GeV Mass range. Paul Derwent FNAL/Beams Division/Pbar/CDF 4 May 2001. Standard Model Higgs above WW Threshold. Dominated by WW Depends on weak coupling constant g and kinematic constraints for on-shell W bosons Above 2M Z significant contributions from ZZ

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Calvin S. Kalman

Why Quarks Cannot be Fundamental Particles. Calvin S. Kalman . Why Preons?. The standard model contains 18 undetermined parameters 48 particles. I. A. D'Souza & C. S.Kalman PREONS Models of Leptons, Quarks and Gauge Bosons as Composite Objects World Scientific 1992. Atomism.

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