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Laser spectroscopy of antiprotonic helium and stringent constraint on the antiproton charge and mass
The antiprotonic helium atom-molecule (atomcule in short), pe/sup -/ He/sup 2+/=pHe/sup +/, first discovered at KEK and studied in detail at LEAR, is a unique metastable existence interfacing between matter and antimatter. Our recent high-resolution laser spectroscopy of pHe /sup +/ has reached a pr...
Autores principales: | , , , , , , , , , , , , , , , |
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Lenguaje: | eng |
Publicado: |
2000
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1016/S0375-9474(99)00806-4 http://cds.cern.ch/record/444979 |