PPT - The Center for High Energy Physics
... • Measure its quantum numbers, e.g. spin, parity, CP, … • Measure its self interactions (if relevant) ...
... • Measure its quantum numbers, e.g. spin, parity, CP, … • Measure its self interactions (if relevant) ...
Syllabus PHYS 441
... A survey of concepts in particle and nuclear physics. We will learn about particles and forces that make up this universe, modern theories about these forces, culminating into an "almost theory of everything" known as the standard model of particle physics. We will learn about the Higgs boson and, t ...
... A survey of concepts in particle and nuclear physics. We will learn about particles and forces that make up this universe, modern theories about these forces, culminating into an "almost theory of everything" known as the standard model of particle physics. We will learn about the Higgs boson and, t ...
UNVEILING THE ULTIMATE LAWS OF NATURE
... years invented myths – no myth considered idea that science has led us to: the universe and life could arise in an extremely simple form and evolve over a long time into a beautiful and complex system Myths are satisfying -- science testable, and right or wrong -- and satisfying too! – understanding ...
... years invented myths – no myth considered idea that science has led us to: the universe and life could arise in an extremely simple form and evolve over a long time into a beautiful and complex system Myths are satisfying -- science testable, and right or wrong -- and satisfying too! – understanding ...
Slides - Antimatter
... strong force = quark force (QCD) em + weak force = electroweak matter particles:fermions (spin ½) (quarks and leptons) ...
... strong force = quark force (QCD) em + weak force = electroweak matter particles:fermions (spin ½) (quarks and leptons) ...
Modern view of matter and the universe
... When special relativity is combined with quantum field theory, the form of physical law is pretty much fixed. Besides Gauge Symmetry, it allows only 1 more symmetry Supersymmetry ...
... When special relativity is combined with quantum field theory, the form of physical law is pretty much fixed. Besides Gauge Symmetry, it allows only 1 more symmetry Supersymmetry ...
THE BIG BANG - SCIPP - University of California, Santa Cruz
... least what we can hope to see of it) is 15 billion years old; its history is well understood from three minutes until the present. We have some evidence of phenomena at much earlier times (10-25 sec after the big bang). 2. The universe consists of about 5% baryons ...
... least what we can hope to see of it) is 15 billion years old; its history is well understood from three minutes until the present. We have some evidence of phenomena at much earlier times (10-25 sec after the big bang). 2. The universe consists of about 5% baryons ...
Dark Matter and Dark Energy - Hitoshi Murayama Home Page
... • Theory of weak force made consistent with unification of gravity and quantum mechanics ...
... • Theory of weak force made consistent with unification of gravity and quantum mechanics ...
Physics Beyond the Standard Model
... Why Supersymmetry (SUSY)? It’s believers think it is a beautiful symmetry between fermions and bosons, and should be a part of nature. If the sparticles are at about 1 TeV, then the running coupling constants actually do meet at a GUT scale of 1017 GeV. GUT scale (mass) Higgs’s would normally c ...
... Why Supersymmetry (SUSY)? It’s believers think it is a beautiful symmetry between fermions and bosons, and should be a part of nature. If the sparticles are at about 1 TeV, then the running coupling constants actually do meet at a GUT scale of 1017 GeV. GUT scale (mass) Higgs’s would normally c ...
Introduction to Supersymmetry
... supersymmetry—that relates fermions to bosons: for every fermion, there is a boson of equal mass and vice versa. Now, compute the self-energy of an elementary scalar. Supersymmetry relates it to the self-energy of a fermion, which is only logarithmically logarithmically sensitive to the fundamental ...
... supersymmetry—that relates fermions to bosons: for every fermion, there is a boson of equal mass and vice versa. Now, compute the self-energy of an elementary scalar. Supersymmetry relates it to the self-energy of a fermion, which is only logarithmically logarithmically sensitive to the fundamental ...
Slide 1
... nor of the fundamental particles, nor did we know the universe and the earth had histories! • The Standard Model(s) of particle physics and cosmology are wonderful, amazing – based on many remarkable experiments, and powerful innovative theory – achieve historical goals of physics, in a full theory ...
... nor of the fundamental particles, nor did we know the universe and the earth had histories! • The Standard Model(s) of particle physics and cosmology are wonderful, amazing – based on many remarkable experiments, and powerful innovative theory – achieve historical goals of physics, in a full theory ...
Zerwas_PASCOSMerida
... • vertex reco for mass resolution • CMS: use of BDT based on the reconstructed photons (higher sensitivity) ...
... • vertex reco for mass resolution • CMS: use of BDT based on the reconstructed photons (higher sensitivity) ...
125 GeV higgs in supersymmetry
... INDEED, IN SPITE OF NO HINT FOR NP AT THE LHC, DONT RUSH TO A TOO QUICK CONCLUSION ON THE VALIDITY OF THE SM TO PLANCK SCALE BECAUSE: HIGGS COUPLINGS VERSUS NEW SCALES: ...
... INDEED, IN SPITE OF NO HINT FOR NP AT THE LHC, DONT RUSH TO A TOO QUICK CONCLUSION ON THE VALIDITY OF THE SM TO PLANCK SCALE BECAUSE: HIGGS COUPLINGS VERSUS NEW SCALES: ...
Future Directions in Particle Physics
... •Origin of the baryons: again, can be understood if supersymmetry (Dine). •Dark matter: we know that this is some new type of elementary particle. In supersymmetry, automatically a particle which plays this role (Primack; Banks, Dine, Haber). Another candidate: axions (Dine). Both subject of experim ...
... •Origin of the baryons: again, can be understood if supersymmetry (Dine). •Dark matter: we know that this is some new type of elementary particle. In supersymmetry, automatically a particle which plays this role (Primack; Banks, Dine, Haber). Another candidate: axions (Dine). Both subject of experim ...
Prospects For LHC Physics
... There is also, in “split supersymmetry,” an “unnatural” version of this in which one keeps the supersymmetric calculation of but drops the attempt to use supersymmetry to explain the electroweak scale. In this version, possibly, the LHC might strongly disfavor the concept of naturalness, while supp ...
... There is also, in “split supersymmetry,” an “unnatural” version of this in which one keeps the supersymmetric calculation of but drops the attempt to use supersymmetry to explain the electroweak scale. In this version, possibly, the LHC might strongly disfavor the concept of naturalness, while supp ...
pdf file - UC Davis Particle Theory
... o 1982 Explain Higgs physics o 1983 Explain why the forces look different to us in strength and properties, but become the same at high energies, so we can make sense of the idea of unifying their description 1983 Provide a dark matter candidate (the lightest superpartner) o 1991 Allow an explanatio ...
... o 1982 Explain Higgs physics o 1983 Explain why the forces look different to us in strength and properties, but become the same at high energies, so we can make sense of the idea of unifying their description 1983 Provide a dark matter candidate (the lightest superpartner) o 1991 Allow an explanatio ...
Elements of a Physics Case for HE LHC
... Scalar superpartners are unlikely to be directly produced at LHC in this framework. In general, scalars are heavier than fermion superpartners across many variants of susy model building. Generic prospect. Need high energy to produce directly these heavy squarks. Perhaps best bet is gaugino + squark ...
... Scalar superpartners are unlikely to be directly produced at LHC in this framework. In general, scalars are heavier than fermion superpartners across many variants of susy model building. Generic prospect. Need high energy to produce directly these heavy squarks. Perhaps best bet is gaugino + squark ...
Beyong the Higgs
... Would the discovery of the Higgs boson at CERN complete the Standard Model and close the chapter on particle physics, as well as on its implications in cosmology? Not in the very least! The Standard Model is itself incomplete with regards to a theory to describe all the forces (‘The Theory of Everyt ...
... Would the discovery of the Higgs boson at CERN complete the Standard Model and close the chapter on particle physics, as well as on its implications in cosmology? Not in the very least! The Standard Model is itself incomplete with regards to a theory to describe all the forces (‘The Theory of Everyt ...
T
... observables whose SM predictions are well known and that are expected to be extremely sensitive to a wide range of beyond the SM theories, e.g., supersymmetry. The magic of quantum mechanics permits particles that are too massive to be produced in the lab, even at the LHC, to make significant contri ...
... observables whose SM predictions are well known and that are expected to be extremely sensitive to a wide range of beyond the SM theories, e.g., supersymmetry. The magic of quantum mechanics permits particles that are too massive to be produced in the lab, even at the LHC, to make significant contri ...
Supersymmetry and Lorentz Invariance as Low-Energy
... The present program is thus more ambitious than, e.g., superstring theory, which simply postulates most of these aspects of Nature. At the same time, the present picture involves the familiar concepts of grand unification, supersymmetry, higher dimensions, and topological defects. APS-DPF2006, JPS20 ...
... The present program is thus more ambitious than, e.g., superstring theory, which simply postulates most of these aspects of Nature. At the same time, the present picture involves the familiar concepts of grand unification, supersymmetry, higher dimensions, and topological defects. APS-DPF2006, JPS20 ...
Beyond Einstein: SuSy, String Theory, Cosmology
... now, the Higgs field presents a deeper puzzle. It may be too heavy to see without an LHC but the real puzzle is that it is so light. Problem is one of dimensional analysis. We know there are large energy scales in nature. Biggest is the “Planck mass”, Mpg = GN1/2= 1019 GeV Why isn’t MH = C Mp, where ...
... now, the Higgs field presents a deeper puzzle. It may be too heavy to see without an LHC but the real puzzle is that it is so light. Problem is one of dimensional analysis. We know there are large energy scales in nature. Biggest is the “Planck mass”, Mpg = GN1/2= 1019 GeV Why isn’t MH = C Mp, where ...
String Theory
... Supersymmetry is a special type of symmetry in which every boson, a particle that transmits a force, there is a corresponding fermion, a particle that makes up matter. Supersymmetry is required for String Theory to be correct. ...
... Supersymmetry is a special type of symmetry in which every boson, a particle that transmits a force, there is a corresponding fermion, a particle that makes up matter. Supersymmetry is required for String Theory to be correct. ...
What breaks electroweak symmetry
... Fermi scale calculated in terms of the soft supersymmetry breaking parameters; generated by quantum corrections to the Higgs potential due to the large top quark mass ...
... Fermi scale calculated in terms of the soft supersymmetry breaking parameters; generated by quantum corrections to the Higgs potential due to the large top quark mass ...
New Frontiers in Particle Physics.
... The Higgs Boson That’s almost the whole story…. But the gauge symmetries of the Standard Model do not permit particles to carry mass! Q. How is mass generated? A. By the non-trivial action of the vacuum! It grabs hold of things! ...
... The Higgs Boson That’s almost the whole story…. But the gauge symmetries of the Standard Model do not permit particles to carry mass! Q. How is mass generated? A. By the non-trivial action of the vacuum! It grabs hold of things! ...