Experimental Approaches at Linear Colliders
... 205 GeV [19]. This bound is almost the same as the 95% upper limit from precision electroweak data, which of course is derived independently. The standard model must be embedded into a more fundamental theory valid at higher energies if an explanation of its many parameters is to be obtained. In suc ...
... 205 GeV [19]. This bound is almost the same as the 95% upper limit from precision electroweak data, which of course is derived independently. The standard model must be embedded into a more fundamental theory valid at higher energies if an explanation of its many parameters is to be obtained. In suc ...
ppt - Pierre-Hugues Beauchemin
... 2-jets and 3-jets events for which one of the jets is lost (dominate) ≥3-jets events for which two jets are lost (smaller) → obtained from MC To estimate the 2-jets contribution: 1- Select 2/3-jets events with ETmiss vector toward one jet ...
... 2-jets and 3-jets events for which one of the jets is lost (dominate) ≥3-jets events for which two jets are lost (smaller) → obtained from MC To estimate the 2-jets contribution: 1- Select 2/3-jets events with ETmiss vector toward one jet ...
The mathematization of the basic vision is based on
... TGD can be also seen as a generalization of the superstring approach and generalizes that basic symmetries of superstring model (the most important symmetry being so-called conformal symmetry). In superstring approach, conformal symmetry forces the basic objects to be 1dimensional strings. In TGD, i ...
... TGD can be also seen as a generalization of the superstring approach and generalizes that basic symmetries of superstring model (the most important symmetry being so-called conformal symmetry). In superstring approach, conformal symmetry forces the basic objects to be 1dimensional strings. In TGD, i ...
The Large Hadron Collider (LHC), the Higgs boson and
... requiring new and more advanced technologies: superconducting magnets capable of 1113 tesla, superconducting cables capable of 150 kA and special SCRF cavities able of beam manipulation on femtosecond scale. The upgraded machine, called High Luminosity LHC should be able to deliver ten times more co ...
... requiring new and more advanced technologies: superconducting magnets capable of 1113 tesla, superconducting cables capable of 150 kA and special SCRF cavities able of beam manipulation on femtosecond scale. The upgraded machine, called High Luminosity LHC should be able to deliver ten times more co ...
new physics and the mind paster
... smallest distance and a smallest time; the Planck length and the Planck time. Some physicists are skeptical that string theory can be a theory of everything if it attempts to unify the two entities by using the same concept to explain both background independent gravity and the other forces, which a ...
... smallest distance and a smallest time; the Planck length and the Planck time. Some physicists are skeptical that string theory can be a theory of everything if it attempts to unify the two entities by using the same concept to explain both background independent gravity and the other forces, which a ...
The renormalization of charge and temporality in - Philsci
... To solve inconsistencies of his electron theory related to the existence of negativeenergy solutions, Dirac proposed his hole theory. From this a new infinite problem popped out. In Dirac’s hole theory we have an infinite sea filled with negative-energy electrons. This made Dirac considers that the ...
... To solve inconsistencies of his electron theory related to the existence of negativeenergy solutions, Dirac proposed his hole theory. From this a new infinite problem popped out. In Dirac’s hole theory we have an infinite sea filled with negative-energy electrons. This made Dirac considers that the ...
MALE AFRICAN ELEPHANT (about 6,000 kilograms) and the
... about mass is a new kind of field that permeates all of reality, called the Higgs field. Elementary particle masses are thought to come about from the interaction with the Higgs field. If the Higgs field exists, theory demands that it have an associated particle, the Higgs boson. Using particle acce ...
... about mass is a new kind of field that permeates all of reality, called the Higgs field. Elementary particle masses are thought to come about from the interaction with the Higgs field. If the Higgs field exists, theory demands that it have an associated particle, the Higgs boson. Using particle acce ...
The Nobel Prize in Physics 2008
... It may well be that the explanation of broken CP-symmetry also provides a raison d’être for the second and third particle families. These resemble the first family in many respects, but are so short-lived that they cannot form anything lasting in our world. One possibility is that these capricious p ...
... It may well be that the explanation of broken CP-symmetry also provides a raison d’être for the second and third particle families. These resemble the first family in many respects, but are so short-lived that they cannot form anything lasting in our world. One possibility is that these capricious p ...
Extension of Lorentz Group Representations for Chiral Fermions
... (spin) and boost generators are extended by first grouping operators into left and right handed pairs and then defining ancillary spin-1/2 vacuum meters for the three space dimensions. The result is an explicit example of a recently-proposed theory, in which the extension of the Lorentz group to com ...
... (spin) and boost generators are extended by first grouping operators into left and right handed pairs and then defining ancillary spin-1/2 vacuum meters for the three space dimensions. The result is an explicit example of a recently-proposed theory, in which the extension of the Lorentz group to com ...
Operational Status and Power Upgrade Prospects of the
... The neutrino experimental facility at J-PARC was built to produce the world’s highest intensity neutrino beam and to facilitate leading research into neutrino physics. Its beam power is rated at 750 kW. In 2013, the facility was operated at 230 kW, which led to the first-ever definitive observation ...
... The neutrino experimental facility at J-PARC was built to produce the world’s highest intensity neutrino beam and to facilitate leading research into neutrino physics. Its beam power is rated at 750 kW. In 2013, the facility was operated at 230 kW, which led to the first-ever definitive observation ...
Antonio Policicchio
... • Dijet masses up to about 4.5 TeV are probed (down to 250 GeV using prescaled/delayed stream triggers) • No resonance-like features are observed in the dijet mass spectrum • Limits on σ × Acceptance for a simple Gaussian resonance or a Breit-Wigner narrow resonance decaying ...
... • Dijet masses up to about 4.5 TeV are probed (down to 250 GeV using prescaled/delayed stream triggers) • No resonance-like features are observed in the dijet mass spectrum • Limits on σ × Acceptance for a simple Gaussian resonance or a Breit-Wigner narrow resonance decaying ...
Integrable Lattice Models From Gauge Theory
... four-dimensional gauge theory.1 Arguably this perspective is in line with a vision relating theories in different dimensions that was offered many years ago by Michael Atiyah [4]. As we will see, Costello’s work is also a close cousin of the relationship [5] between Chern-Simons gauge theory in thre ...
... four-dimensional gauge theory.1 Arguably this perspective is in line with a vision relating theories in different dimensions that was offered many years ago by Michael Atiyah [4]. As we will see, Costello’s work is also a close cousin of the relationship [5] between Chern-Simons gauge theory in thre ...
Fine Structure Constant Variation from a Late Phase Transition
... overclosure. The amount of fine tuning involoved is similar to what is required in the conventional models with a rolling dilaton field [7]. It is tempting, however, to speculate that the difficulties of our scenario could be avoided without any fine tuning once the cosmological constant problem is ...
... overclosure. The amount of fine tuning involoved is similar to what is required in the conventional models with a rolling dilaton field [7]. It is tempting, however, to speculate that the difficulties of our scenario could be avoided without any fine tuning once the cosmological constant problem is ...
Document
... Nonthermal fixed points: • crucial for thermalization process from instabilities/overpopulation! • strongly nonlinear regime of stationary transport (dual cascade)! • Bose condensation for scalars from inverse particle cascade! • large amplification of quark production! ...
... Nonthermal fixed points: • crucial for thermalization process from instabilities/overpopulation! • strongly nonlinear regime of stationary transport (dual cascade)! • Bose condensation for scalars from inverse particle cascade! • large amplification of quark production! ...
The Elegant Universe: Part 2
... would explain the strong nuclear force, the extremely powerful glue that holds the nucleus of every atom together binding protons to neutrons. As the story goes, he happened on a dusty book on the history of mathematics, and in it he found a 200-year old equation, first written down by a Swiss mathe ...
... would explain the strong nuclear force, the extremely powerful glue that holds the nucleus of every atom together binding protons to neutrons. As the story goes, he happened on a dusty book on the history of mathematics, and in it he found a 200-year old equation, first written down by a Swiss mathe ...
Broken symmetry revisited - Homepages of UvA/FNWI staff
... or global) cosmic strings, on the other hand, are much more interesting. In contrast with magnetic monopoles, the presence of cosmic strings does not lead to cosmological disasters and according to an attractive but still speculative theory cosmic strings may even have acted as seeds for the formati ...
... or global) cosmic strings, on the other hand, are much more interesting. In contrast with magnetic monopoles, the presence of cosmic strings does not lead to cosmological disasters and according to an attractive but still speculative theory cosmic strings may even have acted as seeds for the formati ...
Option J: Particle physics
... dimensions? SOLUTION: Because the “unseen” dimensions are curved up into a very tiny space that is something like 10-30 inches in size! So spacetime is “smooth” at large-scale, and very “bumpy” at small-scale dimensions, where the remaining spatial dimensions become manifest. ●This is how the quantu ...
... dimensions? SOLUTION: Because the “unseen” dimensions are curved up into a very tiny space that is something like 10-30 inches in size! So spacetime is “smooth” at large-scale, and very “bumpy” at small-scale dimensions, where the remaining spatial dimensions become manifest. ●This is how the quantu ...
Four Big Questions With Pretty Good Answers
... running coupling of QCD grows with distance, and that tips the balance. The quarks finally get reined in, at distances where αs (r) becomes large. We need not rely on heuristic pictures, or wishful thinking, to speculate about the mass spectrum of QCD Lite. It has been calculated by direct numerical ...
... running coupling of QCD grows with distance, and that tips the balance. The quarks finally get reined in, at distances where αs (r) becomes large. We need not rely on heuristic pictures, or wishful thinking, to speculate about the mass spectrum of QCD Lite. It has been calculated by direct numerical ...
Desperately Seeking SUSY h (University of Cambridge) Please ask questions while I’m talking
... gluinos and squarks that have not yet been ruled out by searches. Same-sign dilepton searches without huge E 6 T cut will be interesting. It covers almost all possible cases of RPV operator. In case of Ui Dj Dk operators, current searches ⇒ mg̃ > 550 GeV. Anomalous AF B measurements can also be expl ...
... gluinos and squarks that have not yet been ruled out by searches. Same-sign dilepton searches without huge E 6 T cut will be interesting. It covers almost all possible cases of RPV operator. In case of Ui Dj Dk operators, current searches ⇒ mg̃ > 550 GeV. Anomalous AF B measurements can also be expl ...
Anomaly driven signatures of new invisible physics
... topological nature and are therefore scale independent. As a result, they are not suppressed even at energies much smaller than the masses of the particles producing these terms via loop effects. This gives hope to see some signatures at low energies generated by new high-energy physics. One possibi ...
... topological nature and are therefore scale independent. As a result, they are not suppressed even at energies much smaller than the masses of the particles producing these terms via loop effects. This gives hope to see some signatures at low energies generated by new high-energy physics. One possibi ...
The Standard Model and its Simple Extensions
... • The Standard Model describes a vast amount of data with very good precision • (The neutrino masses may be the first experimental hint beyond the SM) • However the SM is unnatural (hierarchy problem) • Dark matter definitely requires extensions of the SM • Any new theory has to contain the SM as a ...
... • The Standard Model describes a vast amount of data with very good precision • (The neutrino masses may be the first experimental hint beyond the SM) • However the SM is unnatural (hierarchy problem) • Dark matter definitely requires extensions of the SM • Any new theory has to contain the SM as a ...
CHAPTER 14: Elementary Particles
... This is a particularly useful way to classify elementary particles because all stable matter in the universe appears to be composed, at some level, of constituent fermions. ...
... This is a particularly useful way to classify elementary particles because all stable matter in the universe appears to be composed, at some level, of constituent fermions. ...
UNIVERSAL QUANTUM COMPUTING: ANTICIPATORY …
... Stern-Gerlach experiment for example where space quantization is produced along the z axis by continuous application of a non-uniform magnetic field to atomic spin structure. The simplistic solution is therefore ‘to do something else’. Here a putative protocol is delineated for surmounting the uncer ...
... Stern-Gerlach experiment for example where space quantization is produced along the z axis by continuous application of a non-uniform magnetic field to atomic spin structure. The simplistic solution is therefore ‘to do something else’. Here a putative protocol is delineated for surmounting the uncer ...
Broken Symmetries
... objects are so distinguished in the world around us that they have often been given special status. The obsession of the Greeks with symmetries led them to classify many noteworthy shapes, and many cultures have used symmetries and symmetric objects as symbols in their lives. Of course, most shapes ...
... objects are so distinguished in the world around us that they have often been given special status. The obsession of the Greeks with symmetries led them to classify many noteworthy shapes, and many cultures have used symmetries and symmetric objects as symbols in their lives. Of course, most shapes ...
Gravity Duals for Nonrelativistic Conformal Field
... systems is Ref. [5]. In this Letter, we set out to find a bulk dual of nonrelativistic CFTs, analogous to the AdS gravity description of relativistic CFTs, at strong coupling. We approach this question by considering the algebra of generators of the nonrelativistic conformal group, which appears in ...
... systems is Ref. [5]. In this Letter, we set out to find a bulk dual of nonrelativistic CFTs, analogous to the AdS gravity description of relativistic CFTs, at strong coupling. We approach this question by considering the algebra of generators of the nonrelativistic conformal group, which appears in ...