activity
19972015
most citedMeasurements of 0.2 to 20 GeV/n cosmic-ray proton and helium spectra from 1997 through 2002 with the BESS spectrometer

203 citations · 451 across the 9 of their papers we have counts for

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hep-ex2009

Precise measurement of HFS of positronium

A. Ishida, G. Akimoto, K. Kato +11

The ground state hyperfine splitting in positronium, , is sensitive to high order corrections of QED. A new calculation up to has revealed a disc…