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Advanced Photon Source

  1. The Advanced Photon Source is a national synchrotron radiation research facility located at Argonne National Laboratory near Chicago, Illinois.

Alpha Magnetic Spectrometer

  1. Alpha Magnetic Spectrometer is a particle detector being constructed for the International Space Station.


  1. Annihilation - an effect that occurs when a particle collides with an antiparticle.
  2. Annihilation is a Marvel Comics 2006 crossover event highlighting several relatively under-used outer space -related characters in the Marvel Universe.
  3. Annihilation is a fantasy novel by Philip Athans.
  4. Annihilation is a semi hard-core guild.
  5. Annihilation is a term often used to describe the energetic destruction of something.


  1. AntiMatter is a software game for Windows.
  2. AntiMatter is part of Loblaw.
  3. Antimatter is a band formed by Duncan Patterson (former bass player and songwriter of Anathema ) and Mick Moss.
  4. Antimatter is a collection of antiparticles, in particular antiprotons, antineutrons and positrons (anti-electrons) in a similar composition as matter.
  5. Antimatter is a collection of antiparticles, in particular antiprotons, antineutrons and positrons in a similar composition as matter.


  1. Antiparticles are also produced in any environment with a sufficiently high temperature (mean particle energy greater than the pair production threshold).
  2. Antiparticles are an essential tool of 21 st century physics.
  3. Antiparticles are created everywhere in the universe where high-energy particle collisions take place.
  4. Antiparticles are essestially identical to their ``normal'' partners with the exception that they have opposite charge.
  5. Antiparticles are just like regular subatomic particles except they have opposite charges.


  1. Antiquarks are either "anti-red", "anti-green" or "anti-blue".
  2. The antiquarks are also shown top left to illustrate their anti-colours.


  1. An atom is an extremely small particle of matter that retains its identity during chemical reactions.
  2. An atom is the basic unit of an element.
  3. An atom is the smallest part of an element that has the properties of that element.
  4. An atom is the smallest particle that comprises a chemical element.
  5. An atom is the smallest piece of an element that still retains all the properties of the element.

Atomic Nuclei

  1. Atomic nuclei are composed of protons and neutrons, only certain combinations of which can exist.
  2. Atomic nuclei are composed of two types of particles, protons and neutrons, which are collectively known as nucleons.
  3. Atomic nuclei are good candidates for systems for which electromagnetic field body is dark.


  1. Atoms - The smallest unit of matter that possesses chemical properties.
  2. Atoms are always internal (non-leaf) nodes as all atoms accept arguments.
  3. Atoms are classified into chemical elements by their atomic number Z, which corresponds to the number of protons in the atom.
  4. Atoms are composed of a core and one or more electrons that spin around the core in an electron cloud.
  5. Atoms are composed of a nucleus surrounded by a cloud of electrons (whose exact positions and velocities are not determinable).

Attenuation Length

  1. The secondary attenuation length is a direct function of the concentration of secondary dye in the scintillating fiber.
  2. In another embodiment, the scintillating fibers have the same secondary attenuation length.
  3. The primary attenuation length is usually very small compared to the secondary attenuation length.


  1. Baryon number (B) and lepton number (L) are not conserved, but the quantity B-L is conserved.
  2. This is the simplest extension of the minimal left-right model unifying QCD with B-L.


  1. Baryons are a subset of the hadrons (which are the particles made of quarks) and participate in the strong interaction.
  2. Baryons are a subset of the hadrons.
  3. Baryons are all hadrons with a baryon number of 1.
  4. Baryons are bound states of 3 quarks.
  5. Baryons are characterized by a baryon number, B, of 1.

Baryon Number

  1. Baryon number is a global U(1) symmetry of the standard model Lagrangian.
  2. Baryon number is a symmetry of the Yukawa Lagrangian, Eq.
  3. Baryon number is the total number of baryons present in a system minus the total number of antibaryons.
  4. Baryon number was a reasonable extension.


  1. A bradyon is a particle with rest mass m which moves.

Branching Ratio

  1. The branching ratio is a temperature sensitive function of the relative mode phases at the splitter.

Charged Leptons

  1. The charged leptons are the electron, the muon, the tau and their antiparticles.
  2. The charged leptons are the electrons, muons, and taus.

Charge Carrier

  1. The charge carrier is a special 5`` diameter, 5` long heavy-wall steel tube.

Chasman-Green Lattice

  1. For a synchrotron, the magnets are sequenced according to the Chasman-Green lattice.
  2. For this reason the Chasman-Green lattice is the lattice of choice for most of the premier synchrotron light source facilities worldwide [4].
  3. The basic lattice adopted for the storage ring is a hybrid FODO Chasman-Green lattice, making use of gradient in the dipoles.

Chemical Reactions

  1. Chemical reactions are governed by certain laws, which have become fundamental concepts in chemistry.
  2. Chemical reactions are invariably not possible unless the reactants surmount an energy barrier known as the activation energy.

Cherenkov Radiation

  1. Cherenkov radiation is also used to characterize the remaining radioactivity of spent fuel rods.
  2. Cherenkov radiation is a type of radiation emitted by plutonium, such as in HORNET mines , when transitioning from Slipspace to real time space .
  3. Cherenkov radiation is commonly used in experimental particle physics for particle identification.
  4. Cherenkov radiation is the electromagnetic analogue of the sonic boom, though Cherenkov radiation is a shockwave set up in the electromagnetic field.
  5. Cherenkov radiation is the electromagnetic analogue of thesonic boom, though Cherenkov radiation is a shockwave set up inthe electromagnetic field.

Chiral Perturbation Theory

  1. Chiral Perturbation Theory - An online course in Postscript format on the modern methods of Chiral Perturbation Theory.

Ckm Matrix

  1. On the left is the CKM Matrix along with a vector of mass eigenstates of the quarks, and on the right is the weak force eigenstates of the quarks.
  2. Using data on B-B mixing and CP-violating K-K mixing, the author obtains regions of allowed parameters for elements of the CKM matrix.
  3. The question — "weak decay" — is one of the places where QCD calculations are crucial to determining CKM matrix elements.

Cockcroft-Walton Generator

  1. A magnetic field is applied by the Cockcroft-Walton generator, and the ions are accelerated out of the container.
  2. The first step in the whole process takes place in what is known as the Cockcroft-Walton generator.
  3. Image:Fermi Rings.gif The first stage in the acceleration process takes place in the Cockcroft-Walton generator.


  1. A collider is a type of a particle accelerator involving directed beams of particles.
  2. The collider is a successor of sorts to the Superconducting Supercollider, a high-energy collider that was to have been built in Texas.


  1. Color is a gauged SU(3) symmetry.
  2. Color is the most obvious and attractive feature of gemstones.


  1. Compounds are composed of two or more different elements chemically combined.
  2. Compounds are formed and interconverted by chemical reactions.

Cp Violation

  1. CP violation - a bit technical overview, with emphasis on B decays.
  2. CP violation is one of the necessary conditions for the generation of a baryon asymmetry in the universe.
  3. CP violation is one of the requirements for baryogenesis.
  4. CP violation was discovered in 1964, but it has been observed only in the decays of the neutral K mesons - and no EDM has yet been found.

Dimensional Deconstruction

  1. Little Higgs theories were an outgrowth of dimensional deconstruction.
  2. The spacetime interpretation of the quiver in dimensional deconstruction naively suggests the latter.
  3. Shortly after arriving at Harvard he worked with Howard Georgi and Andrew Cohen on idea of emergent extra dimensions, dubbed Dimensional deconstruction.

Doublet-Triplet Splitting Problem

  1. Most models which solve the doublet-triplet splitting problem are considered very contrived.
  2. In an SO(10) theory, there is potential solution to the doublet-triplet splitting problem known as the 'Dimopoulos-Wilczek' mechanism.
  3. So to solve thus doublet-triplet splitting problem requries a tuning of the two terms to within 1 part in 10 14.


  1. Efforts are being made to develop quantum cryptography, which will allow guaranteed secure transmission of information.
  2. Efforts are ongoing to verify these results.

Elastic Scattering

  1. The pomeron, used to explain the elastic scattering of hadrons and the location of Regge poles in Regge theory.
  2. The main results in this field were the observation of the structure in the elastic scattering process and the first observation of the charmed baryons.
  3. The interference from Rayleigh and other elastic scattering is a serious intrinsic problem of Raman spectroscopy.

Electron-Positron Annihilation

  1. Electron-positron annihilation is a fundamental process involving matter and antimatter.
  2. Electron-positron annihilation is a process by which electrons combine with positrons to produce radiant energy.

Electroweak Force

  1. Electroweak force is a component of the standard model.
  2. Electroweak force is a non-abelian gauge symmetry (i.e.
  3. The electroweak force is a unified force that manifests as an electromagnetic force and a weak force at "standard" conditions in the universe around us.

Electroweak Theory

  1. Electroweak theory is a quantum theory.
  2. Electroweak theory was a huge unification success.
  3. Electroweak theory was the first step in that direction, followed by the unifications possible through Quantum Chromodynamics.
  4. The electroweak theory is a different, more complex beast.
  5. The electroweak theory is a stunning conceptual achievement, but it is still incomplete.

Elementary Particles

  1. Elementary particles are also said to have internal symmetry; these symmetries are useful in classifying particles and in leading to selection rules.
  2. Elementary particles are black hole size for graviton interactions.
  3. Elementary particles are like very primitive and basic organisms and we all (our souls) were elementary particles billions of years ago.
  4. Elementary particles are particles with no measurable internal structure; that is, they are not composed of other particles.
  5. Elementary particles are the quanta of their underlying particle field.

Energy Amplifier

  1. Energy Amplifier is a stunning skin for WinAmp 2 .
  2. Energy amplifier is a type of Transformer technology that is capable of tricking scanners into believing a region contains dangerous levels of energy.
  3. The Energy amplifier is a concept I just heard of.

Exotic Matter

  1. Exotic Matter is the material that Theoretical Physicists believe is needed to stabilize a worm hole and keep it from collapsing upon itself.
  2. Exotic matter is a hypothetical concept of particle physics .
  3. Exotic matter is a term that covers any material which violates one or more classical laws of physics or is made from unknown particles.

Experimental Particle Physics

  1. Experimental particle physics is a fast moving field that often outpaces the formal curriculum.
  2. Experimental particle physics is a very social endeavor.


  1. Fermions are named for the Fermi-Dirac statistics that describe their behaviour.
  2. Fermions are particles with "half integer" spin, i.e.
  3. Fermions are produced and undergo annihilation in particle-antiparticle pairs.
  4. Fermions are the basic building blocks of all matter .
  5. The fermions were chiral to begin with.

Field Equations

  1. The field equations are a 4D wave.
  2. The field equations are derived by minimizing the " Action '' , which is related to the Lagrangian density.
  3. The field equations are generated in the standard way, by varying the action with respect to the potential.
  4. The field equations were classified as those that determine ematics From issue 2625 of New Scientist magazine, 13 October 2007, page 36-39 References 15.


  1. Flavor: The name used for the different quark types ( up, down, strange, charm, bottom, top) and for the different lepton types ( electron, muon, tau).
  2. The term "flavor" was first coined for use in the quark model of hadrons in 1968.


  1. The term "flavour" was first coined for use in the Quark Model of Hadron s in 1968 .
  2. The term "flavour" was first coined for use in the quark model of hadrons in 1968.

Force Carrier

  1. The force carrier particle of electromagnetic interactions.
  2. The graviton is the only force carrier not yet observed in an experiment.
  3. These force carrier particles are strings with endpoints that confine them to their p-branes.

Fundamental Forces

  1. Fundamental forces are found in irreducible tensors.
  2. The fundamental forces are caused by bosons (b), which are organized according to three closely related symmetries.

Gauge Boson

  1. A gauge boson is any particle whose existence is demanded by a principle of gauge invariance.

Gauge Bosons

  1. Gauge bosons are bosonic particles which act as carriers of the fundamental forces of Nature.
  2. Gauge bosons are described mathematically for reasons such as gauge invariance by field equations for massless particles.
  3. Gauge bosons are described mathematically, for technical reasons such as gauge invariance, by field equations for massless particles.
  4. Gauge bosons are elementary particles which act as the carriers of the fundamental forces.
  5. Gauge bosons are used as a way of explaining how all forces of nature vary inversely with the square of the distance between the two objects.

Related Keywords

    * Gell-Mann * Georgi-Glashow Model * Ghost Condensate * Glueballs * Gluons * Goldberger-Wise Mechanism * Goldstino * Grand Unification Energy * Grand Unification Theory * Graviton * Hadrons * Harari Rishon Model * Hera * Hierarchy Problem * Higgs Boson * Hypercharge * Identical Particles * Inelastic Collision * Inflaton * Instanton * Isospin * Isospin Symmetry * Isotopes * Kaluza-Klein Theory * Lattice Field Theory * Left-Right Symmetry * Length Scale * Leptons * Lepton Number * Leptoquark * List of Particles * Little Higgs * Luxon * Maki-Nakagawa-Sakata Matrix * Mesons * Messenger Particle * Minimal Supersymmetric Standard Model * Mirror Matter * Molecule * Molecules * Multiplicative Quantum Number * Name * Neutrinos * Neutrino Experiment * Neutrons * Nuclear Physics * Nucleons * Oh-My-God Particle * Pair Production * Parity * Particle Physicists * Particle Physics * Particle Zoo * Parton * Pati-Salam Model * Peccei-Quinn Theory * Phonons * Pion * Pions * Pomeron * Positronium * Positrons * Preon * Protons * Proton Decay * Quantum Chromodynamics * Quantum Field Theory * Quantum Numbers * Quark * Quarks * Quark Masses * Radion * Regge Theory * Renormalization * Rest Mass * Scattering * Seesaw Mechanism * Skyrmion * Solar Neutrino Problem * Spallation * Spin * Standard Model * Stochastic Electrodynamics * Strangeness * Strong Cp Problem * Strong Interaction * Subatomic Particle * Subatomic Particles * Subcritical Reactor * Synchrotron Light * Synchrotron Radiation * T-Symmetry * Tachyon * Tests * Theories * Three-Jet Event * Top Quark * Total Conversion * Transition Radiation * Trinification * Two-Photon Physics * Unified Field Theory * Virtual Particle * Warped Geometry * Weak Hypercharge * Weak Interaction * Weak Interactions * Wimp * W And Z Bosons
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