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Mass of the deuteron corrected
Sophisticated measurement technology for maximum precision
04-Sep-2020 - High-precision measurements of the mass of the deuteron, the nucleus of heavy hydrogen, provide new insights into the reliability of fundamental quantities in atomic and nuclear physics. This is reported in the journal "Nature" by a collaboration led by the Max Planck Institute for Nuclear ...
Weighing an ant on top of an elephant: Quantum jump tipping the balance
Tiny change in the mass of individual atoms for the first time measured
08-May-2020 - A new door to the quantum world: when an atom absorbs or releases energy via the quantum jump of an electron, it becomes heavier or lighter, according to Einstein’s theory of relativity (E = mc²). However, the effect is minuscule for a single atom. Nevertheless, the team of Klaus Blaum and Sergey ...
The proton precisely weighted
20-Jul-2017 - What is the mass of a proton? Scientists from Germany and Japan successfully did an important step towards the most exact knowledge of this fundamental constant. By means of precision measurements on a single proton, they could improve the precision by a factor of three and also correct the ...
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