CERN’s ALPHA collaboration pins down the ground-state hyperfine splitting of antihydrogen within four parts per million ...
Two experiment collaborations, the g2p and EG4 collaborations, combined their complementary data on the proton's inner structure to improve calculations of a phenomenon in atomic physics known as the ...
Hyperfine splitting is a familiar phenomenon in atomic physics in which magnetic interactions between the nucleus and the electrons split the electronic energy levels into sublevels. Eberhard Widmann ...
ALPHA has measured the ground-state hyperfine splitting of antihydrogen a hundred times more precisely than before, ...
Since the late 1960s, the Laboratoire Aimé Cotton (LAC) in Orsay, France, has made significant progress in the classification of complex atomic spectra. These advances have been driven both by the ...
The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...
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