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Herrera, M.S.; Moreno, G.A.; Kreiner, A.J. "New method to evaluate the 7Li(p, n)7Be reaction near threshold" (2015) Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 349:64-71
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Abstract:

In this work a complete description of the 7Li(p, n)7Be reaction near threshold is given using center-of-mass and relative coordinates. It is shown that this standard approach, not used before in this context, leads to a simple mathematical representation which gives easy access to all relevant quantities in the reaction and allows a precise numerical implementation. It also allows in a simple way to include proton beam-energy spread affects. The method, implemented as a C++ code, was validated both with numerical and experimental data finding a good agreement. This tool is also used here to analyze scattered published measurements such as (p, n) cross sections, differential and total neutron yields for thick targets. Using these data we derive a consistent set of parameters to evaluate neutron production near threshold. Sensitivity of the results to data uncertainty and the possibility of incorporating new measurements are also discussed. © 2015 Elsevier B.V. All rights reserved.

Registro:

Documento: Artículo
Título:New method to evaluate the 7Li(p, n)7Be reaction near threshold
Autor:Herrera, M.S.; Moreno, G.A.; Kreiner, A.J.
Filiación:Comisión Nacional de Energía Atómica, Av. Gral. Paz 1499, Buenos Aires, B1650KNA, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Av. Rivadavia 1917, Ciudad Autónoma de Buenos Aires, C1033AAJ, Argentina
Escuela de Ciencia y Tecnología, UNSAM, 25 de Mayo y Francia, Buenos Aires, B1650KNA, Argentina
YPF Tecnología, Baradero S/N, Buenos Aires, 1925, Argentina
Departamento de Física J. J. Giambiagi, Facultad de Ciencias Exactas y Naturales, UBA, Ciudad Autónoma de Buenos Aires, 1428, Argentina
Palabras clave:7Li(p, n)7Be reaction near threshold; Accelerator-based neutron source; Boron Neutron Capture Therapy (BNCT); Cross section; Neutron yield; C++ (programming language); Lithium; Neutron sources; Neutrons; Uncertainty analysis; Accelerator-based neutron sources; Boron neutron capture therapy; Cross section; Near thresholds; Neutron yields; Numerical methods
Año:2015
Volumen:349
Página de inicio:64
Página de fin:71
DOI: http://dx.doi.org/10.1016/j.nimb.2015.01.080
Título revista:Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Título revista abreviado:Nucl Instrum Methods Phys Res Sect B
ISSN:0168583X
CODEN:NIMBE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0168583X_v349_n_p64_Herrera

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Citas:

---------- APA ----------
Herrera, M.S., Moreno, G.A. & Kreiner, A.J. (2015) . New method to evaluate the 7Li(p, n)7Be reaction near threshold. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 349, 64-71.
http://dx.doi.org/10.1016/j.nimb.2015.01.080
---------- CHICAGO ----------
Herrera, M.S., Moreno, G.A., Kreiner, A.J. "New method to evaluate the 7Li(p, n)7Be reaction near threshold" . Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms 349 (2015) : 64-71.
http://dx.doi.org/10.1016/j.nimb.2015.01.080
---------- MLA ----------
Herrera, M.S., Moreno, G.A., Kreiner, A.J. "New method to evaluate the 7Li(p, n)7Be reaction near threshold" . Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 349, 2015, pp. 64-71.
http://dx.doi.org/10.1016/j.nimb.2015.01.080
---------- VANCOUVER ----------
Herrera, M.S., Moreno, G.A., Kreiner, A.J. New method to evaluate the 7Li(p, n)7Be reaction near threshold. Nucl Instrum Methods Phys Res Sect B. 2015;349:64-71.
http://dx.doi.org/10.1016/j.nimb.2015.01.080