annihilation radiation

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annihilation radiation [ə‚nī·ə′lā·shən ‚rād·ē′ā·shən]

(particle physics)

Electromagnetic radiation arising from the collision, and resulting annihilation, of an electron and a positron, or of any particle and its antiparticle.

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No references found			A year-long study with a GRO detector has for the first time mapped in detail the distribution of this emission along the plane of the galaxy To the astonishment of astronomers, it also recorded a broad distribution of the same annihilation radiation in a region some 3,000 light-years out from the disk of the Milky Way. Milky Way's heart gushes antimatter by Cowen, Ron / Science News Matter falling onto such a compact object would produce low-energy gamma rays, which in turn would generate the positrons needed to produce the annihilation radiation. Researchers probe the 'Great Annihilator.' (mysterious celestial ... by Cowen, Ron / Science News			Annenkov, Nikolai Ivanovich Annenkov, Pavel Annenkov, Pavel Vasilevich Annenskie Mineralnye Vody Annenskii, Innokentii Annenskii, Innokentii Fedorovich Annenskii, Nikolai Annenskii, Nikolai Fedorovich Annensky, Innokenty Feodorovich Annett Wayside Park Annette Von Droste-Hulshoff Annette Von Droste-Hülshoff annex annex point Annexation annexe Annfwn annidation Annie Besant Annie Jump Cannon Anniellidae Annigoni annihilation Annihilation and Creation of Particle-Antiparticle Pairs annihilation operator annihilation radiation Annihilation Rocket Engine annihilator Anniston anniversary clock Anniversary of Imam Ali's Martyrdom Anniversary of Imam Sadiq's Martyrdom Anniversary of the Bombing of Darwin Anniversary of the Khordad 15 Revolt Anniversary of the Stonewall Rebellion Annonaceae annotate ANNotated Ada annotated photograph annotation annotation overprint annotation text annoybot annoyware Annual annual aberration Annual Bottle Kicking and Hare Pie Scramble Annual Change Traffic annual cost comparison annual equation annual flood			Annigoni, Pietro Annigoni, Pietro Annihaltion Annihaltion Annihaltion Annihaltion annihilability annihilability annihilable annihilable annihilate annihilate annihilate annihilate Annihilate, Humiliate, Mutilate, Obliterate annihilated annihilated Annihilated Unrestricted Hartree-Fock Method Annihilated Unrestricted Moeller-Plesset annihilates annihilates annihilating annihilating annihilation annihilation annihilation annihilation Annihilation and Creation of Particle-Antiparticle Pairs Annihilation of the Wicked Annihilation operator annihilation radiation Annihilation Rocket Engine Annihilationism Annihilationist annihilative annihilative annihilator annihilator annihilator annihilators annihilators Annihilatory Annihiliation Annihiliation Annihiliation Annihiliation Annihiliationism Annika Sörenstam ANNIMAB Anning Anning Annis Water Resources Institute Annisquam River Marine Fisheries Station Anniston Anniston Army Depot Anniston Chemical Activity Anniston Chemical Agent Disposal Facility Anniston Defense Munitions Center Anniston Financial Management System Anniston Lincoln Mercury Dodge Anniston Material Routing Tool

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