pion state

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• Pion — This article is about the subatomic particles. For the self propelled gun, see 2S7 Pion. Pion The quark structure of the pion. Composition π …   Wikipedia

• subatomic particle — or elementary particle Any of various self contained units of matter or energy. Discovery of the electron in 1897 and of the atomic nucleus in 1911 established that the atom is actually a composite of a cloud of electrons surrounding a tiny but… …   Universalium

• Parity (physics) — Flavour in particle physics Flavour quantum numbers: Isospin: I or I3 Charm: C Strangeness: S Topness: T Bottomness: B′ Related quantum numbers: Baryon number: B Lepton number: L Weak isospin: T or T3 Electric charge: Q …   Wikipedia

• QCD vacuum — The QCD vacuum is the vacuum state of quantum chromodynamics (QCD). It is an example of a non perturbative vacuum state, characterized by many non vanishing condensates such as the gluon condensate or the quark condensate. These condensates… …   Wikipedia

• Meson — Mesons Mesons of spin 0 form a nonet Composition Composite Quarks and antiquarks Statistics Bosonic …   Wikipedia

• Charmed baryons — are a category of composite particles comprising all baryons made of at least one charm quark. Since their first observation in the 1970s, a large number of distinct charmed baryon states have been identified. Observed charmed baryons have masses …   Wikipedia

• physical science, principles of — Introduction       the procedures and concepts employed by those who study the inorganic world.        physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …   Universalium

• V. K. Samaranayake — Infobox Scientist honorific prefix = Professor name = V. K. Samaranayake image width = caption = birth date = May 22, 1939 birth place = Colombo, Sri Lankaflagicon|Sri Lanka death date = June 6, 2007 death place = Stockholm, Swedenflagicon|Sweden …   Wikipedia

• Nucleon — For the Ford concept car, see Ford Nucleon. For the fictional power source in the Transformers universe, see Nucleon (Transformers). An atomic nucleus is a compact bundle of the two types of nucleons: Protons (red) and neutrons (blue). In this… …   Wikipedia

• Kaon — For other uses, see Kaon (disambiguation). Kaon Composition K+ : us K …   Wikipedia

• Roper resonance — The Roper resonance, also known as P11(1440), is an unstable baryon state/particle with a mass of about 1,440 MeV/c2 and with a relatively wide full Breit Wigner width Gamma;≈300 MeV/c2. It contains three quarks (up (u) or down (d)) with total… …   Wikipedia