beam of particles

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• beam of particles — dalelių pluoštas statusas T sritis radioelektronika atitikmenys: angl. beam of particles vok. Teilchenbündel, n rus. пучок частиц, m pranc. faisceau des particules, m …   Radioelektronikos terminų žodynas

• Beam-powered propulsion — is a class of spacecraft propulsion mechanisms that use energy beamed to the spacecraft from a remote power plant. Most designs are rocket engines where the energy is provided by the beam, and is used to superheat propellant that then provides… …   Wikipedia

• Beam — may refer to: *Beam (structure), a construction element *Beam (nautical), the most extreme width (or breadth) of a nautical vessel, or a point alongside the ship at the mid point of its length *A narrow, propagating stream of particles or energy …   Wikipedia

• beam — ► NOUN 1) a long piece of timber or metal used as a support in building. 2) a narrow horizontal length of timber for balancing on in gymnastics. 3) a ray or shaft of light or particles. 4) a radiant smile. 5) a ship s breadth at its widest point …   English terms dictionary

• beam — [bēm] n. [ME < OE, a tree, piece of wood, column; akin to Ger baum, Du boom, tree] 1. Obs. the squared off trunk of a tree 2. a) a long, thick piece of wood, metal, or stone, used in building b) such a piece used as a horizontal support for a… …   English World dictionary

• Beam dump — A beam dump is a device that absorbs a beam. This may be a beam of photons ( light ) such as a laser beam, or a beam of electrically charged particles.Optical beam dumpsAn optical beam dump is an optical element used to absorb a beam of light.… …   Wikipedia

• Beam emittance — The beam emittance of a particle accelerator is the extent occupied by the particles of the beam in space and momentum phase space as it travels. A low emittance particle beam is a beam where the particles are confined to a small distance and… …   Wikipedia

• Beam crossing — A beam crossing in a particle collider occurs when two packets of particles, going in opposite directions, reach the same point in space. Most of the particles in each packet cross each other, but a few may collide, producing other particles that …   Wikipedia

• beam — n. & v. n. 1 a long sturdy piece of squared timber or metal spanning an opening or room, usu. to support the structure above. 2 a a ray or shaft of light. b a directional flow of particles or radiation. 3 a bright look or smile. 4 a a series of… …   Useful english dictionary

• beam — noun 1》 a long sturdy piece of squared timber or metal used horizontally in building to support a load above.     ↘a narrow horizontal length of squared timber used for balancing exercises in gymnastics. 2》 a horizontal beam supporting the deck… …   English new terms dictionary

• beam — I. noun Etymology: Middle English beem, from Old English bēam tree, beam; akin to Old High German boum tree Date: before 12th century 1. a. a long piece of heavy often squared timber suitable for use in construction b. a wood or metal cylinder in …   New Collegiate Dictionary