grand unification energy
51Particle physics — is a branch of physics that studies the elementary constituents of matter and radiation, and the interactions between them. It is also called high energy physics, because many elementary particles do not occur under normal circumstances in nature …
52Top quark — Infobox Particle bgcolour = name = Top Quark caption = num types = composition = Elementary particle family = Fermion group = Quark generation = Third interaction = particle = antiparticle = theorized = discovered = CDF and D0 collaborations,… …
53John Ellis (physicist) — Infobox Scientist name = John Ellis imagesize =250px caption = John Ellis at the University of Heidelberg in February 2008 birth date = 1946 birth place = London nationality = Great Britain field = Physics prizes = Maxwell Medal (1982), Dirac… …
54Neutral heavy lepton — Neutral Heavy Leptons (NHL) arise in some extensions to the Standard Model (called SM from here on). NHLs are also referred to in the literature as heavy neutrinos, righthanded neutrinos, or sterile neutrinos.Neutral Heavy Lepton is a possible… …
55Infrared fixed point — In physics, an infrared fixed point is a set ofcoupling constants, or other parameters that evolve from initial values at very high energies (short distance), to fixed stable values,usually predictable, at low energies (large distance). This… …
56Baryogenesis — Unsolved problems in physics Why does the observable universe have more matter than antimatter? …
57Ontology — This article concerns ontology in philosophy. For the concept in information science, see Ontology (information science). Not to be confused with the medical concepts of oncology and odontology, or indeed ontogeny. Parmenides was among the first… …
58Omega Point (Tipler) — The Omega Point is a term used by Tulane University professor of mathematics and physics Frank J. Tipler to describe what he maintains is a necessary cosmological state in the far future of the universe. According to his Omega Point Theory, as… …
59Antony Garrett Lisi — Infobox Scientist name = Antony Garrett Lisi image width = 250px caption = Antony Garrett Lisi in Iceland, for the 2007 FQXI conference. birth date = January 24, 1968 nationality = American field = Theoretical physics alma mater = UCLA UCSD work… …
60Einstein's accomplishments — Light and general relativityIn 1906, the patent office promoted Einstein to Technical Examiner Second Class, but he had not given up on academia. In 1908, he became a privatdozent at the University of Bern. [Citation | last = Pais | first =… …
