A new measurement of the exotic “atom” — consisting of an electron and its antiparticle, a positron — disagrees with theoretical calculations, scientists report in the Aug. 14 Physical Review Letters.
Physicists in Germany have carried out the most accurate measurement to date of the width of the proton. By examining a previously unexplored energy-level transition in the hydrogen atom, Lothar ...
Suggested Citation: "5. Physics Education." National Research Council. 2001. Physics in a New Era: An Overview. Washington, DC: The National Academies Press. doi: 10.17226/10118. Modern society ...
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