- Neutron, one up quark (u) and two down quarks
- Physics: UDD (d)
Универсальный русско-английский словарь. Академик.ру. 2011.
Neutron, one up quark (u) and two down quarks
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Down quark — Composition Elementary particle Statistics Fermionic Generation First Interactions Strong, Weak, Electromagnetic force, Gravity Symbol … Wikipedia
Quark — In physics, a quark (IPAEng|kwɔrk, IPAEng|kwɑːk or IPAEng|kwɑːrk) is a type of subatomic particle. [cite web |title=Fundamental Particles |publisher=Oxford Physics |url=http://www.physics.ox.ac.uk/documents/pUS/dIS/fundam.htm |accessdate=2008 06… … Wikipedia
Neutron — This article is about the subatomic particle. For other uses, see Neutron (disambiguation). Neutron The quark structure of the neutron. (The color assignment of individual quarks is not important, only that all three colors are present.)… … Wikipedia
Neutron star — redirects here. For the story by Larry Niven, see Neutron Star (short story). Neutron stars crush half a million times more mass than Earth into a sphere no larger than Manhattan. A neutron star is a type of stellar remnant that can result from… … Wikipedia
Up quark — Infobox Particle bgcolour = name = Up Quark caption = num types = composition = Elementary particle family = Fermion group = Quark generation = First interaction = particle = antiparticle = theorized = discovered = symbol = mass = 1.5 3.3 MeV/c2… … Wikipedia
UDD — Urban Development Department (Academic & Science » Universities) Urban Development Department (Community) **** Ultra DigiDrive (Computing » Hardware) * User Defined Datatype (Computing » Databases) * User Defined Device (Computing » Hardware) *… … Abbreviations dictionary
Quark star — A quark star or strange star is a hypothetical type of exotic star composed of quark matter, or strange matter. These are ultra dense phases of degenerate matter theorized to form inside particularly massive neutron stars. It is theorized that… … Wikipedia
quark — /kwawrk, kwahrk/, n. Physics. any of the hypothetical particles with spin 1/2, baryon number 1/3, and electric charge 1/3 or 2/3 that, together with their antiparticles, are believed to constitute all the elementary particles classed as baryons… … Universalium
neutron — /nooh tron, nyooh /, n. Physics. an elementary particle having no charge, mass slightly greater than that of a proton, and spin of 1/2: a constituent of the nuclei of all atoms except those of hydrogen. Symbol: n [1920 25; NEUTR(O) + ON1] * * *… … Universalium
Free neutron — Elementbox name=neutron number=0 symbol=n0 left= right=hydrogen above= below=helium series=noble gas group=18 period=0 block= appearance=colourless atomic mass= [1] electron configuration=0s0 electrons per shell=0 phase=gas density gplstp=… … Wikipedia
W and Z bosons — Infobox Particle bgcolour = name = SubatomicParticle|W boson+ and Z Bosons caption = num types = composition = Elementary particle family = Boson group = Gauge boson generation = interaction = Weak interaction theorized = Glashow, Weinberg, Salam … Wikipedia
