gauge theory - CERN Indico
... a postdoc to find that he had been studying this problem, and already published some ideas about it. We began collaborating, with another US visitor, Carl Richard Hagen. We (and others) solved problem. Electroweak symmetry breaking Jan 2014 ...
... a postdoc to find that he had been studying this problem, and already published some ideas about it. We began collaborating, with another US visitor, Carl Richard Hagen. We (and others) solved problem. Electroweak symmetry breaking Jan 2014 ...
Matrix model formulations of superstring theory
... but not quite realistic… (motivates Lorentzian version) ...
... but not quite realistic… (motivates Lorentzian version) ...
Introduction a la Physique des Saveur Lourdes
... • 1. What are the elementary constituents of matter? • 2. What holds them together? • 3. What is the correct mathematical framework to describe how the constituents are put together to form matter, how do they interact with each other and how can one predict its behavior under different condition ...
... • 1. What are the elementary constituents of matter? • 2. What holds them together? • 3. What is the correct mathematical framework to describe how the constituents are put together to form matter, how do they interact with each other and how can one predict its behavior under different condition ...
Phenomenological study of scalar and pseudo
... Promote high masses of electrically charged Higgs for values of tan(β) close to 1 Direct search for new spin 0 particles exclude all values of sin(β-α) not close to ±1 The ...
... Promote high masses of electrically charged Higgs for values of tan(β) close to 1 Direct search for new spin 0 particles exclude all values of sin(β-α) not close to ±1 The ...
Classical solutions of open string field theory
... ones are those for which F2(0) ≠ 1. Tachyon vacuum solutions are those for which F2(0) = 1 but the zero of 1-F2 is first order When the order of zero of 1-F2 at K=0 is of higher order the solution is not quite well defined, but it has been conjectured (Ellwood, M.S.) to correspond to multi-brane sol ...
... ones are those for which F2(0) ≠ 1. Tachyon vacuum solutions are those for which F2(0) = 1 but the zero of 1-F2 is first order When the order of zero of 1-F2 at K=0 is of higher order the solution is not quite well defined, but it has been conjectured (Ellwood, M.S.) to correspond to multi-brane sol ...
Non-Equilibrium Dynamics and Physics of the Terascale
... dynamics of individual components. In recent years the study of non-equilibrium dynamics in QFT has received a lot of attention. Out-of-equilibrium quantum fields are believed to play an essential role in inflationary cosmology, the “would be” composition of dark matter, non-perturbative quantum chr ...
... dynamics of individual components. In recent years the study of non-equilibrium dynamics in QFT has received a lot of attention. Out-of-equilibrium quantum fields are believed to play an essential role in inflationary cosmology, the “would be” composition of dark matter, non-perturbative quantum chr ...
Okada
... in supersymmetric model The Standard Model of elementary particle physics The best theory we know so far in describing elementary particle physics @ E=O(100 GeV) ...
... in supersymmetric model The Standard Model of elementary particle physics The best theory we know so far in describing elementary particle physics @ E=O(100 GeV) ...
The Higgs Boson - University of Surrey
... best introduction to the Langrangian in mathematical physics I know of is in Roger Penrose's magisterial "The Road to Reality" (2004). Joseph Lagrange was an Italian nobleman who succeeded Leonhard Euler as Director of Mathematics of the Prussian Academy in 1766. Euler discovered what Richard Feynma ...
... best introduction to the Langrangian in mathematical physics I know of is in Roger Penrose's magisterial "The Road to Reality" (2004). Joseph Lagrange was an Italian nobleman who succeeded Leonhard Euler as Director of Mathematics of the Prussian Academy in 1766. Euler discovered what Richard Feynma ...
120lec4 (WP)
... •classification according to interaction: hadrons, leptons, gauge bosons •classification according to spin: fermions, bosons; baryons, mesons •antiparticles Particle characteristics There are many types of elementary particles: several hundred unique particles have already been identified, and the t ...
... •classification according to interaction: hadrons, leptons, gauge bosons •classification according to spin: fermions, bosons; baryons, mesons •antiparticles Particle characteristics There are many types of elementary particles: several hundred unique particles have already been identified, and the t ...
mc2007_ATLAS_Neil
... Muons are the only charged particles which can pass through the calorimeters. The muon system therefore acts like the inner tracker but outside the calorimeters to measure the muon properties ...
... Muons are the only charged particles which can pass through the calorimeters. The muon system therefore acts like the inner tracker but outside the calorimeters to measure the muon properties ...
The Royal Society of Edinburgh The Large Hadron Collider – What It
... analysis requires around a million programs to be run each day, which requires the use of 400,000 computers all around the world. Professor Clarke explained that the LHC makes new particles by accelerating matter and anti-matter protons and then colliding them. The resulting annihilation effectivel ...
... analysis requires around a million programs to be run each day, which requires the use of 400,000 computers all around the world. Professor Clarke explained that the LHC makes new particles by accelerating matter and anti-matter protons and then colliding them. The resulting annihilation effectivel ...
Flipped SU(5) - cosmology - Arizona State University
... Our primary numerical tools are the programs SUSPECT (Djouadi, Kneur, Moultaka), and micrOMEGAs (Belanger, Boudjema, Pukhov, Semenov), each customized for flipped unification with vectorlike fields by James Maxin • Minimization of the scalar Higgs potential with respect to both the up-type and down- ...
... Our primary numerical tools are the programs SUSPECT (Djouadi, Kneur, Moultaka), and micrOMEGAs (Belanger, Boudjema, Pukhov, Semenov), each customized for flipped unification with vectorlike fields by James Maxin • Minimization of the scalar Higgs potential with respect to both the up-type and down- ...
ppt - Desy
... • In the last case, SUSY effects from light s-leptons, charginos and neutralinos, with moderately large tanb mH problem and lead to a better fit of the data G. Altarelli ...
... • In the last case, SUSY effects from light s-leptons, charginos and neutralinos, with moderately large tanb mH problem and lead to a better fit of the data G. Altarelli ...
leading quantum correction to the newtonian potential
... low energy Lagrangian when it is integrated out of a theory, yielding contributions to the parameters α, β, γ of the Lagrangian in Eq.2 . In contrast, non-analytic contributions come from long distance propagation, which at low energy is only possible for massless particles. Similarly, to determine ...
... low energy Lagrangian when it is integrated out of a theory, yielding contributions to the parameters α, β, γ of the Lagrangian in Eq.2 . In contrast, non-analytic contributions come from long distance propagation, which at low energy is only possible for massless particles. Similarly, to determine ...
Slide 1
... Right now, the theorists are in the driver’s seat, but in thirty years, to make any progress at all in particle physics, we absolutely need input from experiments. ...
... Right now, the theorists are in the driver’s seat, but in thirty years, to make any progress at all in particle physics, we absolutely need input from experiments. ...
From Wormholes to the Warp Drive: Using theoretical physics to
... tiny differences provide valuable experimental tests of GR, since we don’t have any black holes in our near neighborhood that we can study in detail; but understanding the full range of behavior allowed by the theory is best enhanced by examining the nature of its predictions for situations that are ...
... tiny differences provide valuable experimental tests of GR, since we don’t have any black holes in our near neighborhood that we can study in detail; but understanding the full range of behavior allowed by the theory is best enhanced by examining the nature of its predictions for situations that are ...
THE STANDARD MODEL AND BEYOND: A descriptive account of
... isospin triplets —the W bosons— and the electroweak singlet—the photon, must have equal mass. Since the photon has zero mass, this would mean the W bosons will be required to have zero masses as well. However, it was clear from the outset that the weak interaction has an extremely short range R ' 10 ...
... isospin triplets —the W bosons— and the electroweak singlet—the photon, must have equal mass. Since the photon has zero mass, this would mean the W bosons will be required to have zero masses as well. However, it was clear from the outset that the weak interaction has an extremely short range R ' 10 ...
The Excitement of Scattering Amplitudes
... 2) Adapt lessons from N=4 SYM to phenomenologically relevant theories and invent new methods. Goals: application to analysis of data from LHC, Fermilab. New physics insights? 3) Use new methods to explore perturbative quantum gravity. Goals: Point-particle quantum gravity perturbatively sensible? Gr ...
... 2) Adapt lessons from N=4 SYM to phenomenologically relevant theories and invent new methods. Goals: application to analysis of data from LHC, Fermilab. New physics insights? 3) Use new methods to explore perturbative quantum gravity. Goals: Point-particle quantum gravity perturbatively sensible? Gr ...
The String Theory
... Quantum Mechanics: Two new forces, strong and weak nuclear force coupled with electro-magnetic described phenomena of subatomic particles. General Relativity (Gravitational force) was used to describe phenomena of large objects (planets, ...
... Quantum Mechanics: Two new forces, strong and weak nuclear force coupled with electro-magnetic described phenomena of subatomic particles. General Relativity (Gravitational force) was used to describe phenomena of large objects (planets, ...
Computing at the Large Hadron Collider in the CMS
... but not their mass ! (+ many other parameters) § accessible at LHC ? ...
... but not their mass ! (+ many other parameters) § accessible at LHC ? ...
ATLAS experiment at the CERN Large Hadron Collider
... One key objective of the LHC is to understand the origin of mass – is it due to a universal Higgs field? (A Higgs field everywhere with the Higgs boson as the force carrier?). Massless particles are not impeded by the Higgs field and, thus, travel at the speed of light. Analogy: Downhill skier exper ...
... One key objective of the LHC is to understand the origin of mass – is it due to a universal Higgs field? (A Higgs field everywhere with the Higgs boson as the force carrier?). Massless particles are not impeded by the Higgs field and, thus, travel at the speed of light. Analogy: Downhill skier exper ...
history of particle physics (PowerPoint 13.93MB)
... In a quantum description of matter and the laws of interaction between them still do not know how to incorporate gravitation, but the rest of interactions are well described by a mathematical theory, the Standard Model, able to make predictions that have been confirmed in experiments. ...
... In a quantum description of matter and the laws of interaction between them still do not know how to incorporate gravitation, but the rest of interactions are well described by a mathematical theory, the Standard Model, able to make predictions that have been confirmed in experiments. ...
Higgs - Transcript - the Cassiopeia Project
... But Quantum Mechanics rejects the notion of continuous. And so… fields became distributions of tiny field particles. And the strength of the field at any given point was nothing but the density or quantity of field particles at that point. These particles are called virtual particles, because they v ...
... But Quantum Mechanics rejects the notion of continuous. And so… fields became distributions of tiny field particles. And the strength of the field at any given point was nothing but the density or quantity of field particles at that point. These particles are called virtual particles, because they v ...
Unified Field Theory
... Beyond the standard model, theories called ‘Grand Unified Theories’ have been proposed to unify the electroweak force with the strong force. The theory of super symmetry requires a whole new set of particles beyond the standard model complements; a heavy partner of each quark, lepton and gauge boson ...
... Beyond the standard model, theories called ‘Grand Unified Theories’ have been proposed to unify the electroweak force with the strong force. The theory of super symmetry requires a whole new set of particles beyond the standard model complements; a heavy partner of each quark, lepton and gauge boson ...
ppt - Experimental Subatomic Physics
... A: By exploiting the fact that the weak force is the only force with parity-violating asymmetry. Parity violation: when an interaction between particles does not have the same strength as its mirror-image interaction. For example: electrons that are mirror-images of each other (below) do not interac ...
... A: By exploiting the fact that the weak force is the only force with parity-violating asymmetry. Parity violation: when an interaction between particles does not have the same strength as its mirror-image interaction. For example: electrons that are mirror-images of each other (below) do not interac ...