particle creation

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• Creation — Cre*a tion (kr? A sh?n), n. [L. creatio: cf. F. cr?ation. See {Create}.] 1. The act of creating or causing to exist. Specifically, the act of bringing the universe or this world into existence. [1913 Webster] From the creation to the general doom …   The Collaborative International Dictionary of English

• Particle system — The term particle system refers to a computer graphics technique to simulate certain fuzzy phenomena, which are otherwise very hard to reproduce with conventional rendering techniques. Examples of such phenomena which are commonly replicated… …   Wikipedia

• Creation and annihilation operators — Quantum optics operators Ladder operators Creation and annihilation operators Displacement operator Rotation operator (quantum mechanics) Squeeze operator Anti symmetric operator Quantum corr …   Wikipedia

• particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …   Universalium

• Particle accelerator — Atom smasher redirects here. For other uses, see Atom smasher (disambiguation). A 1960s single stage 2 MeV linear Van de Graaff accelerator, here opened for maintenance A particle accelerator[1] is a device that uses electromagnetic fields to… …   Wikipedia

• Particle number operator — In quantum mechanics, for systems where the total number of particles may not be preserved, the number operator is the observable that counts the number of particles. The number operator acts on Fock space. Given a Fock state composed of single… …   Wikipedia

• Virtual particle — In physics, a virtual particle is a particle that exists for a limited time and space, introducing uncertainty in their energy and momentum due to the Heisenberg Uncertainty Principle. (Indeed, because energy and momentum in quantum mechanics are …   Wikipedia

• Self-creation cosmology — (SCC) theories are gravitational theories in which the mass of the universe is created out of its self contained gravitational and scalar fields, as opposed to the theory of continuous creation cosmology or the steady state theory which depend on …   Wikipedia

• Matter creation — is the process inverse to particle annihilation. It is the conversion of massless particles into one or more massive particles. This process is the time reversal of annihilation. Since all known massless particles are bosons and the most familiar …   Wikipedia

• Safety of particle collisions at the Large Hadron Collider — Concerns have been raised in the media, on the Internet and through the law courts about the safety of the particle physics experiments planned to take place at the Large Hadron Collider (LHC), the world s largest and most powerful particle… …   Wikipedia

• subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …   Universalium