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Cable Axion
Cable Axion is a cable television distributor and Internet service provider based at Magog, Quebec. Areas of operation *Estrie ** Austin ** Barnston ** Brome ** Brome Lake ** Bonsecours ** Bromptonville ** Chartierville ** Compton ** Cookshire-Eaton ** Dixville ** East Hereford ** Eastman ** Fitch Bay ** Georgeville ** Gould ** Island Brook ** Lac Lovering ** La Patrie ** Lawrenceville ** Lingwick ** Magog ** Mansonville ** Martinville ** Notre-Dame-des-Bois ** Racine ** Saint-Camille ** Saint-Adrien-de-Ham ** Sainte-Anne-de-la-Rochelle ** Saint-Denis-de-Brompton ** Sainte-Edwidge ** Saint-Étienne-de-Bolton ** Saint-François-Xavier ** Saint-Georges-de-Windsor ** Saint-Herménégilde ** Saint-Isidore-de-Clifton ** Saint-Malo ** Sainte-Marguerite-de-Lingwick ** Saint-Venant-de-Paquette ** Sawyerville ** Scotstown ** Stanhope ** Stanstead Township ** Stukely ** Val-Joli * Montérégie ** Bedford ** Frelighsburg ** Lacolle ** Napierville ** ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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An axion () is a hypothetical elementary particle postulated by the Peccei–Quinn theory in 1977 to resolve the strong CP problem in quantum chromodynamics (QCD). If axions exist and have low mass within a specific range, they are of interest as a possible component of cold dark matter. History Strong CP problem As shown by Gerard 't Hooft, strong interactions of the standard model, QCD, possess a non-trivial vacuum structure that in principle permits violation of the combined symmetries of C-symmetry, charge conjugation and parity (physics), parity, collectively known as CP. Together with effects generated by weak interactions, the effective periodic strong CP-violating term, , appears as a Standard Model input – its value is not predicted by the theory, but must be measured. However, large CP-violating interactions originating from QCD would induce a large Neutron electric dipole moment, electric dipole moment (EDM) for the neutron. Experimental constraints on the currently ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
