eta neutral meson

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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 meson — Physics. a neutral meson with strangeness 0 that is its own antiparticle. Symbolically represented by the small greek letter Eta. [1960 65] * * * …   Universalium

• 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

• eta — noun /ˈiːtə,ˈeɪtə/ a) The seventh letter of the Modern Greek alphabet, the eighth in Old Greek. b) A kind of electrically neutral meson having zero spin and isospin …   Wiktionary

• 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

• 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 dorsimeson, and …   The Collaborative International Dictionary of English

• mu meson — 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

• η-Meson — η Klassifikation Boson Hadron Meson Eigenschaften [1] Ladung neutral M …   Deutsch Wikipedia

• etaparticle — eta particle n. An electrically neutral meson having a mass 1,071 times that of the electron and a mean lifetime of approximately 3.5 × 10 8 seconds. * * * …   Universalium

• List of mesons — The decay of a kaon (K+ ) into three pions (2 π+ …   Wikipedia

• kaon — 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