Which is it: Dark Matter or Modified Gravity?
... denote the non-diagonal mass terms that convert photons into dark Proca (massive) photons. The photon γ oscillates into the dark photon γ′ and, after the wall, back into the photon γ which can then be detected. Consider a U(1) neutral φμ hidden massive photon, in addition to the usual U(1)QED photon ...
... denote the non-diagonal mass terms that convert photons into dark Proca (massive) photons. The photon γ oscillates into the dark photon γ′ and, after the wall, back into the photon γ which can then be detected. Consider a U(1) neutral φμ hidden massive photon, in addition to the usual U(1)QED photon ...
Chapter 12: Rotation of Rigid Bodies
... Fr sin Fd lever arm: d r sin The moment arm, d, is the perpendicular distance from the axis of rotation to a line drawn along the direction of the force The horizontal component of F (F cos ) has no tendency to produce a rotation ...
... Fr sin Fd lever arm: d r sin The moment arm, d, is the perpendicular distance from the axis of rotation to a line drawn along the direction of the force The horizontal component of F (F cos ) has no tendency to produce a rotation ...
Electron and the Holographic Mass
... bare mass energy is cancelled by the electrostatic potential, where the greater the radius the lesser the need for fine tuning. In the solution presented here the electron is extended to a maximal radius of a0 and we are able to demonstrate that the mass of the electron is a function of the Planck v ...
... bare mass energy is cancelled by the electrostatic potential, where the greater the radius the lesser the need for fine tuning. In the solution presented here the electron is extended to a maximal radius of a0 and we are able to demonstrate that the mass of the electron is a function of the Planck v ...
An Electrostatic Quadrupole Doublet with an Integrated Steerer
... where g0 ist the gradient in the center of the quadrupole. In other words, one integrates over all gradients along the design orbit s through the quadrupole. The effective length corresponds to the length of an idealized quadrupole, i.e. box potential, with the same focusing effect. Fringe fields ca ...
... where g0 ist the gradient in the center of the quadrupole. In other words, one integrates over all gradients along the design orbit s through the quadrupole. The effective length corresponds to the length of an idealized quadrupole, i.e. box potential, with the same focusing effect. Fringe fields ca ...
The Concept of the Inert Mass in Macroscopic Physics and - if
... above: in principle it might be possible that during a finite time interval there exists a phase transition of the second kind (such as realized macroscopically and microscopically in many phenomena in physics, for example, in superdconductivity, magnetization, chiral phase transitions or colour sup ...
... above: in principle it might be possible that during a finite time interval there exists a phase transition of the second kind (such as realized macroscopically and microscopically in many phenomena in physics, for example, in superdconductivity, magnetization, chiral phase transitions or colour sup ...
text - Physics Department, Princeton University
... Astronomical black holes are not tiny and unstable, but very heavy, large and practically indestructible. Observations show that in the densely populated center of most galaxies, including ours, are monstrous black holes, which many hundreds of millions of times heavier than the sun. Why would such ...
... Astronomical black holes are not tiny and unstable, but very heavy, large and practically indestructible. Observations show that in the densely populated center of most galaxies, including ours, are monstrous black holes, which many hundreds of millions of times heavier than the sun. Why would such ...
On the Classical Coupling between Gravity and Electromagnetism
... It will be shown that the classical calculation of the self-force for the proposed system exhibits the well-known 4/3 problem associated with the classical model of the electron [14–25]. This is expected, given that our charge distribution is spherically symmetric [26]. In Section 5, a brief histori ...
... It will be shown that the classical calculation of the self-force for the proposed system exhibits the well-known 4/3 problem associated with the classical model of the electron [14–25]. This is expected, given that our charge distribution is spherically symmetric [26]. In Section 5, a brief histori ...
Physics 1252 Exam #2B Instructions:
... It does not have to be to scale, but all vectors must point into the correct quadrant or along the correct coordinate axis direction. ~ at P ; its strength, |E|; ~ and its angle, θ, measured from (b) Calculate the components of E ...
... It does not have to be to scale, but all vectors must point into the correct quadrant or along the correct coordinate axis direction. ~ at P ; its strength, |E|; ~ and its angle, θ, measured from (b) Calculate the components of E ...
Ch 32) Elementary Particles
... basic, that it has no internal structure† (is not made up of smaller subunits)—see Chapter-Opening Question 1. Today, the fundamental constituents of matter are considered to be quarks (they make up protons and neutrons as well as mesons) and leptons (a class that includes electrons, positrons, and ...
... basic, that it has no internal structure† (is not made up of smaller subunits)—see Chapter-Opening Question 1. Today, the fundamental constituents of matter are considered to be quarks (they make up protons and neutrons as well as mesons) and leptons (a class that includes electrons, positrons, and ...
Slide 1
... End of Presentation Things to really remember: 1) The definition of E including its units. 2) The name for E. 3) The direction of E. 4) The charge (in Coulomb) on a single electron. 5) The unit of force in an electrostatic field. ...
... End of Presentation Things to really remember: 1) The definition of E including its units. 2) The name for E. 3) The direction of E. 4) The charge (in Coulomb) on a single electron. 5) The unit of force in an electrostatic field. ...
see presentation slides
... Are Particles Really Quasiparticles? Quasiparticles are “particles” whose mass is affected/determined by their interaction with a “background field.” An early concept of a quasiparticle is a charged particle in a strong electromagnetic wave (Volkow,1937), where m m 1 2 , with eE / mc. eff ...
... Are Particles Really Quasiparticles? Quasiparticles are “particles” whose mass is affected/determined by their interaction with a “background field.” An early concept of a quasiparticle is a charged particle in a strong electromagnetic wave (Volkow,1937), where m m 1 2 , with eE / mc. eff ...
Gonzalez-MestresUHECR
... OTHER FUNDAMENTAL PRINCIPLES AND LAWS (QDRK and superbradyons are just tools) QUANTUM MECHANICS - There has already been important work on possible departures from standard quantum mechanics : f.i. Julius Wess, q-Deformed Heisenberg Algebras, arXiv:math-ph/9910013 (see also the references given in ...
... OTHER FUNDAMENTAL PRINCIPLES AND LAWS (QDRK and superbradyons are just tools) QUANTUM MECHANICS - There has already been important work on possible departures from standard quantum mechanics : f.i. Julius Wess, q-Deformed Heisenberg Algebras, arXiv:math-ph/9910013 (see also the references given in ...
Part 1: CERN`s Big European Bubble Chamber 1970`s
... hydrogen only provides electrons and protons as targets – not a). (Normal water has a tiny amount deuterium which could provide neutrons, but it has been removed from this water. There is also the negligible possibility of an interaction with a neutral particle created in an interaction elsewhere.) ...
... hydrogen only provides electrons and protons as targets – not a). (Normal water has a tiny amount deuterium which could provide neutrons, but it has been removed from this water. There is also the negligible possibility of an interaction with a neutral particle created in an interaction elsewhere.) ...
The Spinning Electron - University of the Basque Country
... classical viewpoint, that the charge of the electron is a point, but at the same time this point is never at rest and it is affected by an oscillating motion in a confined region of size λC . This motion is known in the literature as zitterbewegung. This is the basic structure of spinning particle m ...
... classical viewpoint, that the charge of the electron is a point, but at the same time this point is never at rest and it is affected by an oscillating motion in a confined region of size λC . This motion is known in the literature as zitterbewegung. This is the basic structure of spinning particle m ...
Excitons in parabolic quantum dots in 1 electric and magnetic fields
... respectively. These effects on the properties of the excitons can be classified with regard to the two intrinsic lengths: the dimension of the parabolic quantum dot R, and the excitonic Bohr radius a,D (the 3D Bohr radius = 140 8, for GaAs). In this work we consider only quantum dots with radii betw ...
... respectively. These effects on the properties of the excitons can be classified with regard to the two intrinsic lengths: the dimension of the parabolic quantum dot R, and the excitonic Bohr radius a,D (the 3D Bohr radius = 140 8, for GaAs). In this work we consider only quantum dots with radii betw ...
Nucleon-Nucleon Interaction, Deuteron
... Protons and neutrons are the lowest-energy bound states of quarks and gluons. When we put two or more of these particles together, they interact, scatter and sometimes form bound states due to the strong interactions. If one is interested in the low-energy region where the nucleons hardly get excite ...
... Protons and neutrons are the lowest-energy bound states of quarks and gluons. When we put two or more of these particles together, they interact, scatter and sometimes form bound states due to the strong interactions. If one is interested in the low-energy region where the nucleons hardly get excite ...
χSR - MENU 2013
... • It should be stressed that such a dibaryon mechanism with σ loops can be effective only if the mass of intermediate dibaryon dressed with the σmeson cloud is rather low (MD ~ 2.3 – 2.5 GeV), otherwise the coupling constant λNN→D(E) will be small and the probability of dibaryon generation will be ...
... • It should be stressed that such a dibaryon mechanism with σ loops can be effective only if the mass of intermediate dibaryon dressed with the σmeson cloud is rather low (MD ~ 2.3 – 2.5 GeV), otherwise the coupling constant λNN→D(E) will be small and the probability of dibaryon generation will be ...