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Artículo

Classical description of H ( 1 s ) and H * ( n = 2 ) for cross-section calculations relevant to charge-exchange diagnostics

Cariatore, Nelson DanielIcon ; Otranto, SebastiánIcon ; Olson, R. E.
Fecha de publicación: 04/2015
Editorial: American Physical Society
Revista: Physical Review A: Atomic, Molecular and Optical Physics
ISSN: 1050-2947
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Astronomía

Resumen

In this work, we introduce a classical trajectory Monte Carlo (CTMC) methodology, specially conceived to provide a more accurate representation of charge-exchange processes between highly charged ions and H(1s) and H∗ (n = 2). These processes are of particular relevance in power fusion reactor programs, for which chargeexchange spectroscopy has become a useful plasma diagnostics tool. To test the methodology, electron-capture reactions from these targets by C6+, N7+, and O8+ are studied at impact energies in the 10–150 keV/amu range. State-selective cross sections are contrasted with those predicted by the standard microcanonical formulation of the CTMC method, the CTMC method with an energy variation of initial binding energies that produces an improved radial electron density, and the atomic orbital close-coupling method. The present results are found in to be much better agreement with the quantum-mechanical results than the results of former formulations of the CTMC method.
Palabras clave: Ctmc , Cross Section , Charge-Exchange , Plasma Diagnostics
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/48073
DOI: https://dx.doi.org/10.1103/PhysRevA.91.042709
URL: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.91.042709
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Articulos(IFISUR)
Articulos de INSTITUTO DE FISICA DEL SUR
Citación
Cariatore, Nelson Daniel; Otranto, Sebastián; Olson, R. E.; Classical description of H ( 1 s ) and H * ( n = 2 ) for cross-section calculations relevant to charge-exchange diagnostics; American Physical Society; Physical Review A: Atomic, Molecular and Optical Physics; 91; 4; 4-2015; 427091-4270910
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