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Effects of impurity molecules on the lifetime of antiprotonic helium atoms
Quenching of metastable antiprotonic helium atoms in collisions with hydrogen and deuterium molecules has been studied using laser spectroscopy at CERN's antiproton decelerator. The temperature dependence of the quenching cross sections of the antiprotonic states (n, l) = (37, 34), (38, 35) and...
Autores principales: | , , , , , , , , , |
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Lenguaje: | eng |
Publicado: |
2004
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1016/S0168-583X(03)01769-5 http://cds.cern.ch/record/818503 |