Projectile focusing near the recoil-ion threshold

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The post-collisional interactions in ion-atom ionization collisions are studied around the electron capture to the continuum (ECC) process. For this purpose, a suitable double differential cross section is introduced, involving the longitudinal recoil-ion momentum and the projectile transverse momen...

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Autores principales: Rodríguez, V.D., Macri, P.A., Barrachina, R.O.
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_17426588_v58_n1_p255_Rodriguez
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_17426588_v58_n1_p255_Rodriguez
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spelling todo:paper_17426588_v58_n1_p255_Rodriguez2023-10-03T16:30:58Z Projectile focusing near the recoil-ion threshold Rodríguez, V.D. Macri, P.A. Barrachina, R.O. The post-collisional interactions in ion-atom ionization collisions are studied around the electron capture to the continuum (ECC) process. For this purpose, a suitable double differential cross section is introduced, involving the longitudinal recoil-ion momentum and the projectile transverse momentum transfer. Using the fact that the ECC process is closely related to the threshold in the longitudinal momentum distribution, we study this distribution as a function of the projectile scattering angle. Using the CDW-EIS approximation we theoretically find a focusing (defocusing) effect as we get closer to the distribution threshold for proton (antiproton) impact on He atoms. © 2007 IOP Publishing Ltd. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_17426588_v58_n1_p255_Rodriguez
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description The post-collisional interactions in ion-atom ionization collisions are studied around the electron capture to the continuum (ECC) process. For this purpose, a suitable double differential cross section is introduced, involving the longitudinal recoil-ion momentum and the projectile transverse momentum transfer. Using the fact that the ECC process is closely related to the threshold in the longitudinal momentum distribution, we study this distribution as a function of the projectile scattering angle. Using the CDW-EIS approximation we theoretically find a focusing (defocusing) effect as we get closer to the distribution threshold for proton (antiproton) impact on He atoms. © 2007 IOP Publishing Ltd.
format JOUR
author Rodríguez, V.D.
Macri, P.A.
Barrachina, R.O.
spellingShingle Rodríguez, V.D.
Macri, P.A.
Barrachina, R.O.
Projectile focusing near the recoil-ion threshold
author_facet Rodríguez, V.D.
Macri, P.A.
Barrachina, R.O.
author_sort Rodríguez, V.D.
title Projectile focusing near the recoil-ion threshold
title_short Projectile focusing near the recoil-ion threshold
title_full Projectile focusing near the recoil-ion threshold
title_fullStr Projectile focusing near the recoil-ion threshold
title_full_unstemmed Projectile focusing near the recoil-ion threshold
title_sort projectile focusing near the recoil-ion threshold
url http://hdl.handle.net/20.500.12110/paper_17426588_v58_n1_p255_Rodriguez
work_keys_str_mv AT rodriguezvd projectilefocusingneartherecoilionthreshold
AT macripa projectilefocusingneartherecoilionthreshold
AT barrachinaro projectilefocusingneartherecoilionthreshold
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