Particle Physics Matter, Energy, Space, Time
... We can eliminate many possibilities at LHC But new interpretations necessarily emerge Race will be on: – theorists coming up with new interpretations – experimentalists excluding new interpretations ...
... We can eliminate many possibilities at LHC But new interpretations necessarily emerge Race will be on: – theorists coming up with new interpretations – experimentalists excluding new interpretations ...
Topological search for the production of neutralinos and
... ah University of Victoria, Department of Physics, P 0 Box 3055, Victoria BC V8W 3P6. Canada a’ University of British Columbia, Department of Physics, Vancouver BC V6T 121, Canada ad University of Alberta, Department of Physics, Edmonton AB T6G 2J1, Canada ae Duke University, Department of Physics, D ...
... ah University of Victoria, Department of Physics, P 0 Box 3055, Victoria BC V8W 3P6. Canada a’ University of British Columbia, Department of Physics, Vancouver BC V6T 121, Canada ad University of Alberta, Department of Physics, Edmonton AB T6G 2J1, Canada ae Duke University, Department of Physics, D ...
or ppt
... • Muon colliders are the farthest reaching machines and furthest away from being built at this time: both statements support a strong R & D program. ...
... • Muon colliders are the farthest reaching machines and furthest away from being built at this time: both statements support a strong R & D program. ...
Report of PAC for Particle Physics
... Development of reconstruction and analysis software a few % momentum resolution of TeV muon and dimuon pairs high track (and dimuon) reconstruction efficiency Data pre-processing and analysis Calibration and analysis ...
... Development of reconstruction and analysis software a few % momentum resolution of TeV muon and dimuon pairs high track (and dimuon) reconstruction efficiency Data pre-processing and analysis Calibration and analysis ...
Beyond the Standard Model
... between 80 and 100 MeV, and the charm quark with a mass of about 1.5 GeV. The leptons in this family are the muon with roughly 105 MeV mass, and its associated neutrino, the muon neutrino. The final, third, family contains the bottom quark with a mass of about 4.5 GeV, and the extraordinary heavy to ...
... between 80 and 100 MeV, and the charm quark with a mass of about 1.5 GeV. The leptons in this family are the muon with roughly 105 MeV mass, and its associated neutrino, the muon neutrino. The final, third, family contains the bottom quark with a mass of about 4.5 GeV, and the extraordinary heavy to ...
Linear Collider - University of Victoria
... why 3 generations? why does electron charge = proton charge? why 3+1 space-time coordinates? why such wide variety of mass scales? why the particular gauge symmetries? how does gravity fit in? ...
... why 3 generations? why does electron charge = proton charge? why 3+1 space-time coordinates? why such wide variety of mass scales? why the particular gauge symmetries? how does gravity fit in? ...
Lecture notes
... these experiments search answers for open issues in particle physics (the state of matter at high temperature, the origin of mass, the mechanism behind missing antimatter) and hope to discover new phenomena (eg supersymmetry, extra dimensions). The LHC has started taking data in 2009 and the first L ...
... these experiments search answers for open issues in particle physics (the state of matter at high temperature, the origin of mass, the mechanism behind missing antimatter) and hope to discover new phenomena (eg supersymmetry, extra dimensions). The LHC has started taking data in 2009 and the first L ...
Document
... • The fundamental symmetries of the Standard Model provide a successful basis for explaining the microphysics of the present universe, but additional symmetries are needed to address important questions about earlier times Origin of matter, unification, size of the Fermi ...
... • The fundamental symmetries of the Standard Model provide a successful basis for explaining the microphysics of the present universe, but additional symmetries are needed to address important questions about earlier times Origin of matter, unification, size of the Fermi ...
No Slide Title - Webcast
... Particles and Forces are Quantum Fields filling every point of “Empty” Space (or the “Vacuum”). The Fields materialize as Particles when Energy is fed into this Vacuum. ...
... Particles and Forces are Quantum Fields filling every point of “Empty” Space (or the “Vacuum”). The Fields materialize as Particles when Energy is fed into this Vacuum. ...
Lecture 1
... Just as for J/ψ, decay involves coupling to virtual photon. The φ is ssbar: electric charge factor (-1/3)2 Both ρ and ω are mixtures of u.ubar and d.dbar, but there’s a factor of ~10 difference in leptonic width… The u and d quarks play a special role in the strong interactions because their masses ...
... Just as for J/ψ, decay involves coupling to virtual photon. The φ is ssbar: electric charge factor (-1/3)2 Both ρ and ω are mixtures of u.ubar and d.dbar, but there’s a factor of ~10 difference in leptonic width… The u and d quarks play a special role in the strong interactions because their masses ...
Search for Scalar Top Quark Partners and Parton Shower Tuning in
... The quantum number that governs the weakly interacting particles is the weak isospin. It is the third component, T3 , that becomes relevant because it is conserved between initial and final states. The left-handed fermions have non-zero T3 : the up-type fermions, have T3 = + 21 and all down-type fer ...
... The quantum number that governs the weakly interacting particles is the weak isospin. It is the third component, T3 , that becomes relevant because it is conserved between initial and final states. The left-handed fermions have non-zero T3 : the up-type fermions, have T3 = + 21 and all down-type fer ...
Strong Electroweak Symmetry Breaking
... answers exist but none has been shown to be true in experiment. One possibility in the Standard Model is that particles obtain mass through spontaneous symmetry breaking at the scale of the electroweak force. Spontaneous symmetry breaking can be understood with a “Mexican hat” depicting a potential ...
... answers exist but none has been shown to be true in experiment. One possibility in the Standard Model is that particles obtain mass through spontaneous symmetry breaking at the scale of the electroweak force. Spontaneous symmetry breaking can be understood with a “Mexican hat” depicting a potential ...
DOC - UF Physics - University of Florida
... resulting from proton-proton collisions at the Large Hadron Collider (LHC). Fig. 1 shows a cutout view of the CMS. CMS is presently being constructed at the European Center for Nuclear Research (CERN). Currently, the Tevatron collider at Fermilab in Illinois is the highest energy collider in the wor ...
... resulting from proton-proton collisions at the Large Hadron Collider (LHC). Fig. 1 shows a cutout view of the CMS. CMS is presently being constructed at the European Center for Nuclear Research (CERN). Currently, the Tevatron collider at Fermilab in Illinois is the highest energy collider in the wor ...
e - Instituto de Física Facultad de Ciencias
... SYMMETRIES AND GAUGE THEORIES Relativistic quantum field theory (as QED) is not enough, we need a GAUGE THEORY WHY? Nice features about GAUGE THEORIES: ...
... SYMMETRIES AND GAUGE THEORIES Relativistic quantum field theory (as QED) is not enough, we need a GAUGE THEORY WHY? Nice features about GAUGE THEORIES: ...
arXiv:1008.1839v2 [hep-th] 12 Aug 2010
... for studying power-law corrections to the SM Higgs sector and derive modified triviality bound on the Higgs boson mass [13], as will be summarized in the last part of this paper. The power-law running originates from the quadratical divergences associated with graviton loop with overall couplings pr ...
... for studying power-law corrections to the SM Higgs sector and derive modified triviality bound on the Higgs boson mass [13], as will be summarized in the last part of this paper. The power-law running originates from the quadratical divergences associated with graviton loop with overall couplings pr ...
Hidden Valley
... reconstruction, as well as opportunities Perusal of existing ATLAS studies (and CMS and CDF/D0 etc) shows gaps, due perhaps to rather few theoretical examples with this phenomenology The absence of examples in the theoretical literature is due to prejudice, not principles New trigger studies are now ...
... reconstruction, as well as opportunities Perusal of existing ATLAS studies (and CMS and CDF/D0 etc) shows gaps, due perhaps to rather few theoretical examples with this phenomenology The absence of examples in the theoretical literature is due to prejudice, not principles New trigger studies are now ...
Search for Signatures of New Heavy Top Quark of the Fourth
... Z bosons decays, and 2 hadrons are produced from decaying the W boson and two b jets. We searched for the t ′ by analyzing Monte Carlo data generated by MadGraph5, CalcHEP and Pythia8. The discoveries of the top quark at the Tevatron have been many searches for a possible new generation of fermions. ...
... Z bosons decays, and 2 hadrons are produced from decaying the W boson and two b jets. We searched for the t ′ by analyzing Monte Carlo data generated by MadGraph5, CalcHEP and Pythia8. The discoveries of the top quark at the Tevatron have been many searches for a possible new generation of fermions. ...
Elementary particles and the exasperating Higgs boson: the ideas
... Why the Higgs boson is so special? 1. We do not know how to write a theory in which the particles are massive. The Higgs particle solves this problem. 2. It permeates all space. We have never seen such an effect before. 3. It is the first elementary particle with spin 0 ever found. It is therefor ...
... Why the Higgs boson is so special? 1. We do not know how to write a theory in which the particles are massive. The Higgs particle solves this problem. 2. It permeates all space. We have never seen such an effect before. 3. It is the first elementary particle with spin 0 ever found. It is therefor ...
Flavour from accidental symmetries
... chirality with respect to the SM group, while additional degrees of freedom are allowed to be much heavier because they come in vectorlike representations of the SM group. As anticipated in the introduction, the pattern of fermion masses arises in our model from the existence of a single relatively ...
... chirality with respect to the SM group, while additional degrees of freedom are allowed to be much heavier because they come in vectorlike representations of the SM group. As anticipated in the introduction, the pattern of fermion masses arises in our model from the existence of a single relatively ...
Lecture Notes for the 2014 HEP Summer School for Experimental
... QFT. There is currently no observational evidence to suggest that QFT is insufficient in describing particle behaviour, and indeed many theories for beyond the Standard Model physics (e.g. supersymmetry, extra dimensions) are QFTs. There are some theoretical reasons, however, for believing that QFT ...
... QFT. There is currently no observational evidence to suggest that QFT is insufficient in describing particle behaviour, and indeed many theories for beyond the Standard Model physics (e.g. supersymmetry, extra dimensions) are QFTs. There are some theoretical reasons, however, for believing that QFT ...
ATLAS and CMS
... combined with the future version of the Grand Unified Theory. Then the gravitational interaction would be thought of as quantized, like the other forces, so that the gravitational force is transmitted by particles called gravitons. This poses a formidable problem. Einstein showed us that the gravita ...
... combined with the future version of the Grand Unified Theory. Then the gravitational interaction would be thought of as quantized, like the other forces, so that the gravitational force is transmitted by particles called gravitons. This poses a formidable problem. Einstein showed us that the gravita ...
Duality Theory of Weak Interaction
... cannot be broken at both levels of (2.15) and (2.16). However, the physical implication of the gauge symmetry is different at the two levels (2.15) and (2.16): (1) The gauge invariance of the Lagrangian action, (2.15), amounts to saying that the energy contributions of particles in a physical system ...
... cannot be broken at both levels of (2.15) and (2.16). However, the physical implication of the gauge symmetry is different at the two levels (2.15) and (2.16): (1) The gauge invariance of the Lagrangian action, (2.15), amounts to saying that the energy contributions of particles in a physical system ...
Ten Lectures on the ElectroWeak Interactions
... it must be possible and is probably useful to introduce the students and the interested readers to the entire subject in a compact way. This is the main aim of these Lectures. The Standard Model is the reference theory for particle physics, including the fact that one often explicitly refers to Beyo ...
... it must be possible and is probably useful to introduce the students and the interested readers to the entire subject in a compact way. This is the main aim of these Lectures. The Standard Model is the reference theory for particle physics, including the fact that one often explicitly refers to Beyo ...
Document
... EDMS in SUSY II • E.G. MSSM: In general, the MSSM contains many new parameters, including multiple new CP-violating phases, e.g. ...
... EDMS in SUSY II • E.G. MSSM: In general, the MSSM contains many new parameters, including multiple new CP-violating phases, e.g. ...