Energy loss by a fast charged particle moving parallel to a surface
... of properties of the inelastic scattering of fast particles inter- effects can arise. An interesting fact which develops is that acting with matter. In addition to the fact that surface states the existence of a spatial dispersion of the permittivity of the medium makes possible the excitation of bu ...
... of properties of the inelastic scattering of fast particles inter- effects can arise. An interesting fact which develops is that acting with matter. In addition to the fact that surface states the existence of a spatial dispersion of the permittivity of the medium makes possible the excitation of bu ...
Dark Z boson and Parity Violation
... Dark Photon bounds (APEX, MAMI, etc) apply to Dark Z as well, in most parameter space of interest. (Around the bounds, |ε| >> |εZ|, where [Dark Z coupling] ≈ [Dark Photon coupling].) In addition, since Dark Z has “axial coupling”, it implies new features that Dark Photon does not show. (i) Parity Vi ...
... Dark Photon bounds (APEX, MAMI, etc) apply to Dark Z as well, in most parameter space of interest. (Around the bounds, |ε| >> |εZ|, where [Dark Z coupling] ≈ [Dark Photon coupling].) In addition, since Dark Z has “axial coupling”, it implies new features that Dark Photon does not show. (i) Parity Vi ...
Beam Dynamics in High Energy Colliders
... twist and turn so as to give an intended interpretation, "The President's spokesmen had to spin the story to make it less embarrassing" a distinctive interpretation (especially as used by politicians to sway public opinion), "the campaign put a favorable spin on the story" ...
... twist and turn so as to give an intended interpretation, "The President's spokesmen had to spin the story to make it less embarrassing" a distinctive interpretation (especially as used by politicians to sway public opinion), "the campaign put a favorable spin on the story" ...
High Shear Force Cleaning SPCC2017
... Physical cleaning method utilizing sonic waves: the liquid undergoes alternating compression (high pressure) and rarefraction (low pressure) in a sinusoidal pattern relative to location and time ...
... Physical cleaning method utilizing sonic waves: the liquid undergoes alternating compression (high pressure) and rarefraction (low pressure) in a sinusoidal pattern relative to location and time ...
The search for magnetic monopoles
... The mass of GUT monopoles is determined by the energy scale of grand unification and is thus very high, around 1017 GeV/c 2. (The mass of the proton is approximately 1 GeV/c 2.) That makes the monopoles far too heavy to be produced in experiments. The Large Hadron Collider (LHC), the world’s largest ...
... The mass of GUT monopoles is determined by the energy scale of grand unification and is thus very high, around 1017 GeV/c 2. (The mass of the proton is approximately 1 GeV/c 2.) That makes the monopoles far too heavy to be produced in experiments. The Large Hadron Collider (LHC), the world’s largest ...
The Nobel Prize in Physics 1901-2000
... be only one electron in each quantum state) already on the basis of Bohr's old quantum theory. This principle was later found to be associated with the symmetry of wave functions for particles of half-integer spins in general, distinguishing what is now called fermions from the bosonic particles who ...
... be only one electron in each quantum state) already on the basis of Bohr's old quantum theory. This principle was later found to be associated with the symmetry of wave functions for particles of half-integer spins in general, distinguishing what is now called fermions from the bosonic particles who ...
Detailed information may be found here
... will be sent to the student and the supervisor, warning that the course DP certificate (see Section 1.6) may be withheld. At the beginning of the second semester a informal 10’-presentation is to be given on the work done so far. The final project report, typically 30+ pages,2 is to be submitted by ...
... will be sent to the student and the supervisor, warning that the course DP certificate (see Section 1.6) may be withheld. At the beginning of the second semester a informal 10’-presentation is to be given on the work done so far. The final project report, typically 30+ pages,2 is to be submitted by ...
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... approximation, that visible mass of the Universe arises from QCD—not from the Higgs boson{. The Higgs boson and the mechanism of electroweak symmetry breaking are nevertheless of capital importance in shaping our world, accounting for the masses of the weak-interaction force particles and—at least i ...
... approximation, that visible mass of the Universe arises from QCD—not from the Higgs boson{. The Higgs boson and the mechanism of electroweak symmetry breaking are nevertheless of capital importance in shaping our world, accounting for the masses of the weak-interaction force particles and—at least i ...
Broken Symmetries
... theory be invariant under local phase rotations of the electron wave function, the full theory follows and the electromagnetic field is introduced as a gauge field. The gauge group is U(1), which is an abelian group, meaning that transformations commute with each other. Hence electromagnetism is cal ...
... theory be invariant under local phase rotations of the electron wave function, the full theory follows and the electromagnetic field is introduced as a gauge field. The gauge group is U(1), which is an abelian group, meaning that transformations commute with each other. Hence electromagnetism is cal ...
Requirements for ion sources
... As ion sources are the driver of other processes or experiments, it is clear that high reliability is desirable. In general, there will be a trade-off between the other performance factors of the source. For example, high-intensity sources (in particular, if they run at a high duty factor) can suffe ...
... As ion sources are the driver of other processes or experiments, it is clear that high reliability is desirable. In general, there will be a trade-off between the other performance factors of the source. For example, high-intensity sources (in particular, if they run at a high duty factor) can suffe ...
Enrichment and Coupling of the Finite Element and
... do not require to generate a mesh (a connectivity matrix) and thus, they are specially suited for certain problems, for instance adaptive re nement computations or discontinuous eld problems (i.e. crack propagation problems5 ). Moreover, the interpolation functions in meshless methods are particula ...
... do not require to generate a mesh (a connectivity matrix) and thus, they are specially suited for certain problems, for instance adaptive re nement computations or discontinuous eld problems (i.e. crack propagation problems5 ). Moreover, the interpolation functions in meshless methods are particula ...
lori_stevens_0507
... Works from outside inward (VXDCheater.java has already removed hits from “prompt” tracks originating within 20mm of the origin) ABTF1 begins by using all sets of isolated hits in 3 layers to find circles that pass within 10cm of the interaction point (original version had 1cm) When 3 seed track is f ...
... Works from outside inward (VXDCheater.java has already removed hits from “prompt” tracks originating within 20mm of the origin) ABTF1 begins by using all sets of isolated hits in 3 layers to find circles that pass within 10cm of the interaction point (original version had 1cm) When 3 seed track is f ...
One Force of Nature
... the early universe got converted into matter. Now, electrons and positrons were created in equal numbers i.e. there's no matter-antimatter asymmetry. So stop looking for it at the expense of the taxpayers. The reason why lay people accept the matter-antimatter asymmetry is because scientist like St ...
... the early universe got converted into matter. Now, electrons and positrons were created in equal numbers i.e. there's no matter-antimatter asymmetry. So stop looking for it at the expense of the taxpayers. The reason why lay people accept the matter-antimatter asymmetry is because scientist like St ...
Exotic Acceleration Mechanisms Mark Trodden U.Penn/Syracuse University
... - Backreaction from finite thickness of string - Microphysical forces counteract cusp formation with particle emission - Region of false vacuum, unsupported by any winding, being expelled from the network at high (but less than c) speed. ...
... - Backreaction from finite thickness of string - Microphysical forces counteract cusp formation with particle emission - Region of false vacuum, unsupported by any winding, being expelled from the network at high (but less than c) speed. ...
ATLAS experiment
ATLAS (A Toroidal LHC ApparatuS) is one of the seven particle detector experiments (ALICE, ATLAS, CMS, TOTEM, LHCb, LHCf and MoEDAL) constructed at the Large Hadron Collider (LHC), a particle accelerator at CERN (the European Organization for Nuclear Research) in Switzerland. The experiment is designed to take advantage of the unprecedented energy available at the LHC and observe phenomena that involve highly massive particles which were not observable using earlier lower-energy accelerators. It is hoped that it will shed light on new theories of particle physics beyond the Standard Model.ATLAS is 46 metres long, 25 metres in diameter, and weighs about 7,000 tonnes; it contains some 3000 km of cable. The experiment is a collaboration involving roughly 3,000 physicists from over 175 institutions in 38 countries. The project was led for the first 15 years by Peter Jenni and between 2009 and 2013 was headed by Fabiola Gianotti. Since 2013 it has been headed by David Charlton. It was one of the two LHC experiments involved in the discovery of a particle consistent with the Higgs boson in July 2012.