two-loop large higgs mass contribution to vector boson anomalous
... collider are under intense study. Here V = γ, Z or W ± and f = e or νe . In order to demonstrate the potential importance of large Higgs mass corrections at high energies, we present in Fig. 3 the energy dependence of the Born and corrected cross section of vector boson scattering integrated ...
... collider are under intense study. Here V = γ, Z or W ± and f = e or νe . In order to demonstrate the potential importance of large Higgs mass corrections at high energies, we present in Fig. 3 the energy dependence of the Born and corrected cross section of vector boson scattering integrated ...
Slides
... If gravity is strong at 1 TeV particle collisions may form a mini-black hole – the formation rate is hard to compute without a quantum theory of gravity though! Presumably they will decay by Hawking radiation giving a thermal spectrum output. We would need a complete quantum theory of gravity! ...
... If gravity is strong at 1 TeV particle collisions may form a mini-black hole – the formation rate is hard to compute without a quantum theory of gravity though! Presumably they will decay by Hawking radiation giving a thermal spectrum output. We would need a complete quantum theory of gravity! ...
The Origin of Inertia
... The major objection raised against these concepts is that the ZPF must not be taken literally. According to General Relativity theory, the energy density of the ZPF would generate an enormous spacetime curvature -- akin to a huge cosmological constant. This is, of course, true in the standard interp ...
... The major objection raised against these concepts is that the ZPF must not be taken literally. According to General Relativity theory, the energy density of the ZPF would generate an enormous spacetime curvature -- akin to a huge cosmological constant. This is, of course, true in the standard interp ...
General formula of effective potential in 5D SU(N) - www
... We can also calculate general formulae for other representations.(See Ref.[3]) 4. Phase Structure of 5D SO(10) GUT As a more phenomenological application, let us consider a 5 dimensional SO(10) GUT, where boundary conditions break SO(10) into SU(3)×SU(2)×U(1)×U(1). It is known that zero-modes of A5 ...
... We can also calculate general formulae for other representations.(See Ref.[3]) 4. Phase Structure of 5D SO(10) GUT As a more phenomenological application, let us consider a 5 dimensional SO(10) GUT, where boundary conditions break SO(10) into SU(3)×SU(2)×U(1)×U(1). It is known that zero-modes of A5 ...
New breakthroughs in physics expected at CERN
... Razis said that beginning of March the experiments will offer scientists greater statistical knowledge. “The upgrading of the LHC and the larger statistical events will allow the discoveries of much more rare reactions in less time in an attempt to examine new models of physics like supersymmetry, n ...
... Razis said that beginning of March the experiments will offer scientists greater statistical knowledge. “The upgrading of the LHC and the larger statistical events will allow the discoveries of much more rare reactions in less time in an attempt to examine new models of physics like supersymmetry, n ...
PHY492: Nuclear & Particle Physics Lecture 22 Way Beyond the Standard Model
... • GUT scale was 1015 GeV (Did not include gravity) • Quantum Gravity – exchange spin 2, massless gravitons, gives an attractive force – scattering cross sections give infinities – gravitino (spin 3/2) helps to cancel these out – still lots of problems that are not solved April 4, 2007 ...
... • GUT scale was 1015 GeV (Did not include gravity) • Quantum Gravity – exchange spin 2, massless gravitons, gives an attractive force – scattering cross sections give infinities – gravitino (spin 3/2) helps to cancel these out – still lots of problems that are not solved April 4, 2007 ...
Particles & Strings - University of Southampton
... But…. we don’t know anything about gravity on length scales below 1mm… R could = 1mm… and we wouldn’t know it! If so we’ve miscalculated the strength of gravity (G) – it could become strong in our particle accelerators at any new energy!! ...
... But…. we don’t know anything about gravity on length scales below 1mm… R could = 1mm… and we wouldn’t know it! If so we’ve miscalculated the strength of gravity (G) – it could become strong in our particle accelerators at any new energy!! ...
Beyond_Standard_Model_Physics
... • Any reasons why only superpartners are not light enough to have already been observed? • scalars such as sfermions, Higgs can have gauge-inv. mass terms of order of msoft • Higgsinos, gauginos are in real representation can also have gauge-inv. mass terms of order of msoft as well. ...
... • Any reasons why only superpartners are not light enough to have already been observed? • scalars such as sfermions, Higgs can have gauge-inv. mass terms of order of msoft • Higgsinos, gauginos are in real representation can also have gauge-inv. mass terms of order of msoft as well. ...
Beyond Standard Model Physics
... • Any reasons why only superpartners are not light enough to have already been observed? • scalars such as sfermions, Higgs can have gauge-inv. mass terms of order of msoft • Higgsinos, gauginos are in real representation can also have gauge-inv. mass terms of order of msoft as well. ...
... • Any reasons why only superpartners are not light enough to have already been observed? • scalars such as sfermions, Higgs can have gauge-inv. mass terms of order of msoft • Higgsinos, gauginos are in real representation can also have gauge-inv. mass terms of order of msoft as well. ...
Beyond Standard Model Physics
... • Any reasons why only superpartners are not light enough to have already been observed? • scalars such as sfermions, Higgs can have gauge-inv. mass terms of order of msoft • Higgsinos, gauginos are in real representation can also have gauge-inv. mass terms of order of msoft as well. ...
... • Any reasons why only superpartners are not light enough to have already been observed? • scalars such as sfermions, Higgs can have gauge-inv. mass terms of order of msoft • Higgsinos, gauginos are in real representation can also have gauge-inv. mass terms of order of msoft as well. ...
Slide 1
... Phenomenology of a well motivated SU(3)xSU(2)xU(1) singlet scalar The 4+2 Standard Model has 2Tgauge symmetry which forbids quadratic mass terms in the scalar potential. Only quartic interactions are permitted Scale invariance in 3+1 ! Quantum effects break scale inv. (maybe in 2T?), give insuffic ...
... Phenomenology of a well motivated SU(3)xSU(2)xU(1) singlet scalar The 4+2 Standard Model has 2Tgauge symmetry which forbids quadratic mass terms in the scalar potential. Only quartic interactions are permitted Scale invariance in 3+1 ! Quantum effects break scale inv. (maybe in 2T?), give insuffic ...
Summer_Talk_new - University of Toronto, Particle Physics and
... Higgs Boson • Electromagnetism on its own can be made to give finite results for all calculations. ...
... Higgs Boson • Electromagnetism on its own can be made to give finite results for all calculations. ...
Departament de Física Grup de Física Teòrica processes beyond the Standard Model
... existence of new physics{ is oered by probing transitions which are either suppressed or forbidden in the SM. In this respect the low energy B meson phenomenology plays an important role as well, and will be taken into account. In this Thesis we will deal mainly with the Higgs sector and their inte ...
... existence of new physics{ is oered by probing transitions which are either suppressed or forbidden in the SM. In this respect the low energy B meson phenomenology plays an important role as well, and will be taken into account. In this Thesis we will deal mainly with the Higgs sector and their inte ...
y 1
... The origin of mass Higgs Mechanism: A field fills all of space because of a mechanism called spontaneous symmetry breaking. It ‘sticks’ to particles, making it ‘harder for them to move’. This is what gives quarks and leptons their mass. ...
... The origin of mass Higgs Mechanism: A field fills all of space because of a mechanism called spontaneous symmetry breaking. It ‘sticks’ to particles, making it ‘harder for them to move’. This is what gives quarks and leptons their mass. ...
neeman.pdf
... Squaring to make the Hamiltonian thus yields a quartic term for the Higgs potential, with a coupling scaled by the algebra in terms of the SU (2) × U (1) couplings. If one adopts one normalization for the h-even part, the system also scales the two couplings, namely the value of the Weinberg angle, ...
... Squaring to make the Hamiltonian thus yields a quartic term for the Higgs potential, with a coupling scaled by the algebra in terms of the SU (2) × U (1) couplings. If one adopts one normalization for the h-even part, the system also scales the two couplings, namely the value of the Weinberg angle, ...
200 GeV
... We have a convincing scientific case and a world consensus on the importance of a Linear Collider and on its timing w.r.t. the LHC LC and LHC offer complementary view of Nature at energy frontier We have the technology/ies for the LC at hand We are developing detector technologies to do the physics ...
... We have a convincing scientific case and a world consensus on the importance of a Linear Collider and on its timing w.r.t. the LHC LC and LHC offer complementary view of Nature at energy frontier We have the technology/ies for the LC at hand We are developing detector technologies to do the physics ...
Unparticle_Dark_Matter_(GUT07)
... • Unparticle is a hidden conformal sector which couples to the SM particles only through the higher dimensional operators. • Spectral function of the unparticle has very unusual behavior! Because of the conformal invariance in the unparticle sector, unparticle propagator and the phase space are comp ...
... • Unparticle is a hidden conformal sector which couples to the SM particles only through the higher dimensional operators. • Spectral function of the unparticle has very unusual behavior! Because of the conformal invariance in the unparticle sector, unparticle propagator and the phase space are comp ...
Heavy gravitons on-shell decay of the Higgs boson at high
... gravitons and calculate the ratios of partial widths and couplings for the Higgs decays into heavy gravitons and W vector bosons. This proposition may reveal Higgs and graviton properties for new physics Beyond Standard Model (BSM). ...
... gravitons and calculate the ratios of partial widths and couplings for the Higgs decays into heavy gravitons and W vector bosons. This proposition may reveal Higgs and graviton properties for new physics Beyond Standard Model (BSM). ...
Introduction and Theoretical Background
... A fermion mass term in the Lagrangian would couple these different fields, and thus break gauge invariance. A gauge invariant left-handed weak interaction implies that the fermion fields should not have mass terms, and that the quarks and leptons which appear in nature should be mass-less particles. Th ...
... A fermion mass term in the Lagrangian would couple these different fields, and thus break gauge invariance. A gauge invariant left-handed weak interaction implies that the fermion fields should not have mass terms, and that the quarks and leptons which appear in nature should be mass-less particles. Th ...
How to Determine the Probability of the Higgs Boson Detection
... Public interest. The amount of research funds spent for the Higgs detection is extraordinary. A Superconducting Super Collider project was cancelled in 1993 in the US, but also the three billion dollar LHC construction has raised criticism on high energy physics receiving unproportional funding. Th ...
... Public interest. The amount of research funds spent for the Higgs detection is extraordinary. A Superconducting Super Collider project was cancelled in 1993 in the US, but also the three billion dollar LHC construction has raised criticism on high energy physics receiving unproportional funding. Th ...
The Second Century of Particle Physics
... How can a particle decay into other particles that weren’t component parts of it in the first place? Example: β decay is a common form of radioactivity, in which a nucleus produces an electron and a neutrino that were not present inside of it beforehand. It is an example of the weak interaction ...
... How can a particle decay into other particles that weren’t component parts of it in the first place? Example: β decay is a common form of radioactivity, in which a nucleus produces an electron and a neutrino that were not present inside of it beforehand. It is an example of the weak interaction ...
GCOE13_5
... In order to change the shape of the function λ(Λ) , we introduce an extra scalar field that can be identified with dark matter: ...
... In order to change the shape of the function λ(Λ) , we introduce an extra scalar field that can be identified with dark matter: ...
Byond Particle Physics
... The history of supersymmetry is exceptional. In the past, virtually all major conceptual breakthroughs have occurred because physicists were trying to understand some established aspect of nature. In contrast, the discovery of supersymmetry in the early 1970s was a purely intellectual achievement, d ...
... The history of supersymmetry is exceptional. In the past, virtually all major conceptual breakthroughs have occurred because physicists were trying to understand some established aspect of nature. In contrast, the discovery of supersymmetry in the early 1970s was a purely intellectual achievement, d ...