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Cantero, E.D.; Montanari, C.C.; Behar, M.; Fadanelli, R.C.; Lantschner, G.H.; Miraglia, J.E.; Arista, N.R. "Experimental and theoretical study of the energy loss of C and O in Zn" (2011) Physical Review A - Atomic, Molecular, and Optical Physics. 84(1)
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Abstract:

We present a combined experimental-theoretical study of the energy loss of C and O ions in Zn in the energy range 50-1000 keV/amu. This contribution has a double purpose, experimental and theoretical. On the experimental side, we present stopping power measurements that fill a gap in the literature for these projectile-target combinations and cover an extended energy range, including the stopping maximum. On the theoretical side, we make a quantitative test on the applicability of various theoretical approaches to calculate the energy loss of heavy swift ions in solids. The description is performed using different models for valence and inner-shell electrons: a nonperturbative scattering calculation based on the transport cross section formalism to describe the Zn valence electron contribution, and two different models for the inner-shell contribution: the shellwise local plasma approximation (SLPA) and the convolution approximation for swift particles (CasP). The experimental results indicate that C is the limit for the applicability of the SLPA approach, which previously was successfully applied to projectiles from H to B. We find that this model clearly overestimates the stopping data for O ions. The origin of these discrepancies is related to the perturbative approximation involved in the SLPA. This shortcoming has been solved by using the nonperturbative CasP results to describe the inner-shell contribution, which yields a very good agreement with the experiments for both C and O ions. © 2011 American Physical Society.

Registro:

Documento: Artículo
Título:Experimental and theoretical study of the energy loss of C and O in Zn
Autor:Cantero, E.D.; Montanari, C.C.; Behar, M.; Fadanelli, R.C.; Lantschner, G.H.; Miraglia, J.E.; Arista, N.R.
Filiación:Centro Atómico Bariloche and Instituto Balseiro, Comisión Nacional de Energía Atómica, 8400 San Carlos de Bariloche, Argentina
Instituto de Astronomía y Física Del Espacio (CONICET-UBA), Buenos Aires, Argentina
Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Instituto de Física, Universidade Federal Do Rio Grande Do sul, Avenida Bento Goncalves 9500, Porto Alegre-RS, Brazil
Palabras clave:Energy loss; Energy ranges; Inner-shell electrons; Nonperturbative; Quantitative tests; Scattering calculations; Stopping power; Swift ions; Theoretical approach; Theoretical study; Transport cross-section; Valence electron; Electron energy loss spectroscopy; Ions; Projectiles; Zinc; Energy dissipation
Año:2011
Volumen:84
Número:1
DOI: http://dx.doi.org/10.1103/PhysRevA.84.014902
Título revista:Physical Review A - Atomic, Molecular, and Optical Physics
Título revista abreviado:Phys Rev A
ISSN:10502947
CODEN:PLRAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v84_n1_p_Cantero

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Citas:

---------- APA ----------
Cantero, E.D., Montanari, C.C., Behar, M., Fadanelli, R.C., Lantschner, G.H., Miraglia, J.E. & Arista, N.R. (2011) . Experimental and theoretical study of the energy loss of C and O in Zn. Physical Review A - Atomic, Molecular, and Optical Physics, 84(1).
http://dx.doi.org/10.1103/PhysRevA.84.014902
---------- CHICAGO ----------
Cantero, E.D., Montanari, C.C., Behar, M., Fadanelli, R.C., Lantschner, G.H., Miraglia, J.E., et al. "Experimental and theoretical study of the energy loss of C and O in Zn" . Physical Review A - Atomic, Molecular, and Optical Physics 84, no. 1 (2011).
http://dx.doi.org/10.1103/PhysRevA.84.014902
---------- MLA ----------
Cantero, E.D., Montanari, C.C., Behar, M., Fadanelli, R.C., Lantschner, G.H., Miraglia, J.E., et al. "Experimental and theoretical study of the energy loss of C and O in Zn" . Physical Review A - Atomic, Molecular, and Optical Physics, vol. 84, no. 1, 2011.
http://dx.doi.org/10.1103/PhysRevA.84.014902
---------- VANCOUVER ----------
Cantero, E.D., Montanari, C.C., Behar, M., Fadanelli, R.C., Lantschner, G.H., Miraglia, J.E., et al. Experimental and theoretical study of the energy loss of C and O in Zn. Phys Rev A. 2011;84(1).
http://dx.doi.org/10.1103/PhysRevA.84.014902