eta particle
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eta meson — noun Etymology: eta (I) : an uncharged elementary particle with zero spin that has a mass 1074 times the mass of an electron and that decays rapidly especially into pions called also eta particle * * * Physics. a neutral meson with strangeness 0… … Useful english dictionary
Eta (letter) — Eta (uppercase Eta;, lowercase eta;; el. Ήτα) is the seventh letter of the Greek alphabet. In the system of Greek numerals it has a value of 8. Letters that arose from Eta include the Latin H and the Cyrillic letter И. In Modern Greek the letter … Wikipedia
ETA (disambiguation) — ETA ( eu. Euskadi Ta Askatasuna ) is a Basque separatist group. Eta (Η, η), is the seventh letter of the Greek alphabetETA may also refer to:* ETA SA, a Swiss watchmaking company * ETA Systems, defunct manufacturer of ETA10 supercomputers * ETA a … Wikipedia
Particle in a one-dimensional lattice (periodic potential) — In quantum mechanics, the particle in a one dimensional lattice is a problem that occurs in the model of a periodic crystal lattice. The problem can be simplified from the 3D infinite potential barrier (particle in a box) to a one dimensional… … Wikipedia
eta-mesons — Meson Mes on, n. [NL., fr. Gr. me son middle, neut. of me sos, a., middle.] 1. (Anat.) The mesial plane dividing the body of an animal into similar right and left halves. The line in which it meets the dorsal surface has been called the… … The Collaborative International Dictionary of English
eta-cparticle — e·ta c particle (āʹtə sēʹ, ēʹtə ) n. An electrically neutral meson having a mass 5,832 times that of the electron and a mean lifetime of approximately 3.1 × 10 22 seconds. * * * … Universalium
Méson êta — η0 Propriétés générales Classification Méson Composition Paire quark antiquark : Propriétés physiques Masse 547.75(12) MeV.c 2 … Wikipédia en Français
Meson eta — Méson êta Méson êta η0 Propriétés générales Classification Méson Composition Paire quark antiquark : Propriétés physiques Masse 547.75(12) MeV.c 2 … Wikipédia en Français
Méson eta — Méson êta Méson êta η0 Propriétés générales Classification Méson Composition Paire quark antiquark : Propriétés physiques Masse 547.75(12) MeV.c 2 … Wikipédia en Français
Méson Êta — η0 Propriétés générales Classification Méson Composition Paire quark antiquark : Propriétés physiques Masse 547.75(12) MeV.c 2 … Wikipédia en Français
