TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

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Collective name for four pseudo-scalar mesons, having masses of about 495 MeV ... and decaying via weak interactions....  3, fiche 1, Anglais, - kaon

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Such high-energy cosmic ray collisions produce a shower of secondary particles, principally kaons (K mesons) and pions (pi-mesons), which in turn decay spontaneously into muons. [Sci. Amer. Oct. 42/3].  4, fiche 1, Anglais, - kaon

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... the superheated plasma will give rise to many more s quarks and antiquarks ... [that] will eventually decay, but the processes responsible for their decay are relatively slow, and many of them will escape the fireball. They will escape inside particles such as K mesons and lambda particles, which experimenters are eminently equipped to observe.  5, fiche 1, Anglais, - kaon

Fiche 1,  Justifications,  Français

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Méson neutre ou chargé d'étrangeté non nulle [...] c'est une particule étrange, qui ne peut être produite qu'en paire kaon-antikaon, ou associée avec un hypéron. C'est un méson lourd; sa masse est, en effet, environ quatre fois plus élevée que celle du méson pi.  1, fiche 1, Français, - kaon

Fiche 1,  Justifications,  Espagnol