charmed antiquark

См. также в других словарях:

• charmed quark — Physics. the quark having electric charge 2/3 times the elementary charge and charm C = +1. It is more massive than the up, down, and strange quarks. Also called c quark. * * * charmed quark, a quark having an electric charge of + 2/3 and charm… …   Useful english dictionary

• Quark charmed — Quark charm Quark charm Propriétés générales Classification Fermion Composition Élémentaire Propriétés physiques Masse 1,3 GeV.c 2 Charge électrique ⅔ e Spin …   Wikipédia en Français

• J/psi particle — /jay suy , psuy /, Physics. the lightest of the psi particles, the first particle to be discovered that contains a charmed quark. [1975 80; see J PARTICLE, PSI PARTICLE] * * * ▪ subatomic particle       type of meson consisting of a charmed quark …   Universalium

• charmonium — /chahr moh nee euhm/, n. Physics. any meson composed of a charmed quark and a charmed antiquark. [1970 75; CHARM1 + onium, prob. extracted from POSITRONIUM] * * * …   Universalium

• psi particle — /suy, psuy/, Physics. 1. any of a family of mesons consisting of a charmed quark and a charmed antiquark. 2. an early name for the J/psi particle. [1970 75] * * * …   Universalium

• psi particle — noun a neutral meson with a large mass • Syn: ↑J particle • Hypernyms: ↑meson, ↑mesotron * * * noun see psi II * * * /suy, psuy/, Physics. 1. any of a family of mesons consisting of a charmed …   Useful english dictionary

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

• Charm quark — Composition Elementary particle Statistics Fermionic Generation Second Interactions Strong, Weak, Electromagnetic force, Gravity Symbol …   Wikipedia

• Baryon — Baryons are the family of subatomic particles with a baryon number of 1. The term baryon is usually used to refer to triquarks baryons made of three quarks. Exotic baryons made of four quarks and one antiquark are known as the pentaquarks, but… …   Wikipedia

• List of particles — This is a list of the different types of particles, known and hypothesized. For a chronological listing of subatomic particles by discovery date, see Timeline of particle discoveries. This is a list of the different types of particles found or… …   Wikipedia

• B meson — B mesons are mesons composed of a bottom quark or bottom antiquark and either an up (B+ ), down (B0 ), strange (B0 s) or …   Wikipedia