mass-energy


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Related to mass-energy: E=mc2

mass-energy

n
(General Physics) mass and energy considered as equivalent and interconvertible, according to the theory of relativity
References in periodicals archive ?
Even as scientists try to solve the mystery of dark matter - by looking for hypothetical particles that could be the constituents of this mysterious substance which cannot be directly observed and yet accounts for over a quarter of all the mass-energy in the known universe - there is a bigger, related mystery always looming.
The gravitational redshift from mass-energy equivalence, which stems from special relativity, is derived as follows.
The prevailing standard model of cosmology indicates that total mass-energy of the universal contains 4.
An unknown form of energy, so-called "dark energy," appears to uniformly fill the universe, accounting for about 70 percent of its mass-energy content and apparently causing its acceleration.
6 percent of the total mass-energy is ordinary matter, which comes to a little less than 17 percent of the total amount of matter.
Modern cosmology says that for the universe to behave as it does, the mass-energy of the universe must be dominated by dark matter and dark energy.
A sampling of topics: a brief history of dosimetry, calibration protocols, and the need for accuracy; cavity theory, stopping-power ratios, and correction factors; ionization chamber instrumentation; review of TG-51 protocol; kilovoltage x-ray dosimetry; clinical electron beam dosimetry, thermoluminescent detector and Monte Carlo techniques for reference-quality brachytherapy dosimetry; dosimetry for small photo beams used for stereotactic radiosurgery/radiotherapy; hadron dosimetry; radiochronic film; diamond detector; gel dosimetry; Fricke and alanine dosimeters; and stopping-power ratios, rations of mass-energy coefficients, and CSDA ranges of electrons.
In today's standard model of cosmology, dark energy accounts for 74 percent of the total mass-energy of the universe, Frieman said.
The basic exchange is termed as a trade and consists of mass-energy for mass-energy--of goods-services for goods-services.
NO, WE'RE NOT TALKING ABOUT MASS-energy equivalence, but the formula offered by enrollment management consultant John Maguire (president of Maguire Associates) suggests a new way to took at the forces driving cortege choice.
Studies from a variety of independent techniques suggest that the energy responsible for this acceleration comprises about 73% of the universe's mass-energy budget.
The problem was that the drop in energy of nuclei during Beta decay was more than the combined mass-energy and kinetic energy of the emitted electron.