X-rays reveal more about exotic atoms (Jun 10)
http://physicsweb.org/article/news/9/6/7
Particle physicists have made the most accurate ever measurements of the
properties of an exotic atom known as kaonic hydrogen. In this atom a
negative kaon orbits around a proton, similar to the way an electron
orbits around a proton in a hydrogen atom (Phys. Rev. Lett. 94 212302).
The results will help physicists learn more about the symmetry breaking
processes that generate the masses of particles, and also about the
strong force that holds protons, neutrons and other particles together.
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