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| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Sociedade Brasileira de Física
2004
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| Accesso online: | https://www.redalyc.org/articulo.oa?id=46434530 |
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Sommario:
- Collisional Electron Detachment of Atomic Anions by Noble Gases: Universal Behavior at Intermediate Velocities F. Zappa L.F.S. Coelho Ginette Jalbert A. B. Rocha S.D. Magalhães N.V. Faria de Castro Física, Astronomía y Matemáticas Anions with atomic number lower than 18 had their total electron detachment cross sections measured in the0.3-1.5 a:u: velocity range (40 keV-1.4 MeV) for He, Ne, and Ar targets with a experimental method developedin our laboratory. Several universal trends were observed: (a) each cross section can be described as the productof a target-dependent curve by a projectile-dependent constant; (b) for a given target all cross sections presenta maximum at almost the same velocity; (c) the cross section ratios taken between different periods in a givencolumn are target-independent. 2004 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46434530 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3A Vol.34