beta-decay interaction
31Pion — This article is about the subatomic particles. For the self propelled gun, see 2S7 Pion. Pion The quark structure of the pion. Composition π …
32Neptunium — uranium ← neptunium → plutonium Pm ↑ Np ↓ (Uqt) …
33Wu, Chien-Shiung — ▪ 1998 Chinese born American experimental physicist (b. May 29, 1912, Liuhe, Jiangsu province, China d. Feb. 16, 1997, New York, N.Y.), gained international acclaim for her research in nuclear and particle physics, especially on the process …
34Cowan–Reines neutrino experiment — The neutrino experiment, also called the Cowan and Reines neutrino experiment, was performed by Clyde L. Cowan and Frederick Reines in 1956. This experiment confirmed the existence of the antineutrino a neutrally charged subatomic particle with… …
35Yrast — (Swedish pronunciation: IPA| [y:ɾɐst] , English: IPA| [ˈɪrast] ) is a technical term in nuclear physics that refers to a state of a nucleus with a minimum of energy (when it is least excited) for a given angular momentum. Yr is a Swedish… …
36Scintillator — Scintillation crystal surrounded by various scintillation detector assemblies …
37Parity (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 …
38weak force — Physics. a force between elementary particles that causes certain processes that take place with low probability, as radioactive beta decay and collisions between neutrinos and other particles. Also called weak interaction force. Cf. weak… …
39Atomic nucleus — A figurative depiction of the helium 4 atom with the electron cloud in shades of gray. In the nucleus, the two protons and two neutrons are depicted in red and blue. This depiction shows the particles as separate, whereas in an actual helium atom …
40physics — /fiz iks/, n. (used with a sing. v.) the science that deals with matter, energy, motion, and force. [1580 90; see PHYSIC, ICS] * * * I Science that deals with the structure of matter and the interactions between the fundamental constituents of… …
