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High-resolution laser resonances of antiprotonic helium in superfluid $^{4}$He
When atoms are placed into liquids, their optical spectral lines corresponding to the electronic transitions are greatly broadened compared to those of single, isolated atoms. This linewidth increase can often reach a factor of more than a million, obscuring spectroscopic structures and preventing h...
| Autores principales: | , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2022
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1038/s41586-022-04440-7 http://cds.cern.ch/record/2806094 |