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One electron-capture in collisions of fast nuclei with biomolecules of relevance to ion therapy. ADVANCES IN QUANTUM CHEMISTRY 2021. [DOI: 10.1016/bs.aiq.2021.03.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Frozen Core Approximation and Nuclear Screening Effects in Single Electron Capture Collisions. ATOMS 2019. [DOI: 10.3390/atoms7020044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Differential cross sections (DCS) for single electron capture from helium by heavy ion impact are calculated using a frozen core 3-body model and an active electron 4-body model within the first Born approximation. DCS are presented for H+, He2+, Li3+, and C6+ projectiles with velocities of 1 MeV/amu and 10 MeV/amu. In general, the DCS from the two models are found to differ by about one to two orders of magnitude with the active electron 4-body model showing better agreement with experiment. Comparison of the models reveals two possible sources of the magnitude difference: the inactive electron’s change of state and the projectile–target Coulomb interaction used in the different models. Detailed analysis indicates that the uncaptured electron’s change of state can safely be neglected in the frozen core approximation, but that care must be used in modeling the projectile–target interaction.
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Burgdorfer J. Angular momentum coherences in the differential capture amplitude in hydrogen. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/14/6/014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Briggs JS, Greenland PT, Kocbach L. Differential cross sections for high-energy electron capture in the impulse approximation. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/15/17/033] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Rivarola RD, Piacentini RD, Salin A, Belkic D. The influence of the static potential in high-energy K-shell electron capture collisions. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/13/13/018] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Rivarola RD, Miraglia JE. Comparison between the continuum distorted-wave and the second Brinkman-Kramers approximations at high energies electron capture. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/15/14/014] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Miraglia JE, Piacentini RD, Rivarola RD, Salin A. Discussion of electron capture theories for ion-atom collisions at high energies. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0022-3700/14/5/008] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Belkic D, Mancev I, Mudrinic M. Two-electron capture from helium by fast alpha particles. PHYSICAL REVIEW. A, ATOMIC, MOLECULAR, AND OPTICAL PHYSICS 1994; 49:3646-3658. [PMID: 9910662 DOI: 10.1103/physreva.49.3646] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Belkic D, Taylor HS. First-order theory for charge exchange with correct boundary conditions: General results for hydrogenlike and multielectron target atoms. PHYSICAL REVIEW. A, GENERAL PHYSICS 1987; 35:1991-2006. [PMID: 9898374 DOI: 10.1103/physreva.35.1991] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Interactions of Simple Ion-Atom Systems. ACTA ACUST UNITED AC 1983. [DOI: 10.1016/s0065-2199(08)60252-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023]
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Bransden B. The Theory of Fast Heavy Particle Collisions. ADVANCES IN ATOMIC AND MOLECULAR PHYSICS 1979. [DOI: 10.1016/s0065-2199(08)60301-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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