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Further evidence for low-energy protonium production in vacuum
We describe an experiment performed in the ATHENA apparatus in which there is evidence that the antiproton-proton bound state, protonium, has been produced at very low energies in vacuum following the interaction of cold antiprotons with a trapped cloud of molecular hydrogen ions. The latter were co...
Autores principales: | , , , , , , , , , , , , , , , , , , , , , , |
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Publicado: |
2012
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1140/epjp/i2012-12124-9 http://cds.cern.ch/record/1559760 |