weak interactions

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• Weak interaction — Standard model of particle physics …   Wikipedia

• Weak isospin — The weak isospin in particle physics is a quantum number relating to the weak interaction, and parallels the idea of isospin under the strong interaction. Weak isospin is usually given the symbol T or I with the third component written as T3 , Tz …   Wikipedia

• weak 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… …   Universalium

• weak force — noun (physics) an interaction between elementary particles involving neutrinos or antineutrinos that is responsible for certain kinds of radioactive decay; mediated by intermediate vector bosons • Syn: ↑weak interaction • Topics: ↑physics,… …   Useful english dictionary

• Weak hypercharge — The weak hypercharge in particle physics is a quantum number relating the electrical charge and the third component of weak isospin, and is similar to the Gell Mann–Nishijima formula of strong interactions. It is the generator of the U(1)… …   Wikipedia

• weak force — noun Date: 1968 a fundamental physical force that governs interactions between hadrons and leptons (as in the emission and absorption of neutrinos) and is responsible for particle decay processes (as beta decay) in radioactivity, that is 10 5… …   New Collegiate Dictionary

• weak interaction — (also weak force) noun Physics a short range interaction between particles which is very much weaker than the electromagnetic and the strong interactions and conserves neither strangeness, parity, nor isospin …   English new terms dictionary

• Methods to investigate protein–protein interactions — There are many methods to investigate protein–protein interactions. Each of the approaches has its own strengths and weaknesses, especially with regard to the sensitivity and specificity of the method. A high sensitivity means that many of the… …   Wikipedia

• e|lec|tro|weak — «ih LEHK troh WEEK», adjective. Physics. uniting weak and electromagnetic interactions, as in the Weinberg Salam theory: »Abdus Salam, one of the people who started the work on the unified field theory, has been going around calling it… …   Useful english dictionary

• Four-fermion interactions — In quantum field theory, fermions are described by anticommuting spinor fields. A four fermi interaction describes a local interaction between four fermionic fields at a point. Local here means that it all happens at the same spacetime point.… …   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