Moving at a speed very close to the speed of light

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  • Ultrarelativistic limit — In physics, a particle is called ultrarelativistic when its speed is very close to the speed of light c, such that its total energy E^2 = m^2 c^4 + p^2 c^2 is almost completely due to its momentum (p c gg m c^2), and thus can be approximated by E …   Wikipedia

  • ultrarelativistic — adj. * * * …   Universalium

  • ultrarelativistic — adj. with speed that is extremely close to the speed of light …   English contemporary dictionary

  • ultrarelativistic — adj …   Useful english dictionary

  • Equation of state — In physics and thermodynamics, an equation of state is a relation between state variables.cite book | author=Perrot, Pierre | title=A to Z of Thermodynamics | publisher=Oxford University Press | year=1998 | id=ISBN 0 19 856552 6] More… …   Wikipedia

  • Synchrotron radiation — This article concerns the physical phenomenon of synchrotron radiation. For details on the production of this radiation and applications in laboratories, see Synchrotron light source. The electromagnetic radiation emitted when charged particles… …   Wikipedia

  • Dispersion relation — The refraction of a light in a prism is due to dispersion. In physics and electrical engineering, dispersion most often refers to frequency dependent effects in wave propagation. Note, however, that there are several other uses of the word… …   Wikipedia

  • Beta decay — Nuclear physics Radioactive decay Nuclear fission Nuclear fusion Classical decays …   Wikipedia

  • Neutrino — For other uses, see Neutrino (disambiguation). Neutrino/Antineutrino The first use of a hydrogen bubble chamber to detect neutrinos, on November 13, 1970. A neutrino hit a proton in a hydrogen atom. The collision occurred at the point where three …   Wikipedia

  • Hot dark matter — is a hypothetical form of dark matter which consists of particles that travel with ultrarelativistic velocities. The best candidate for the identity of hot dark matter is the neutrino. Neutrinos have very small masses, and do not partake in two… …   Wikipedia

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