Projectile energy loss in multiply ionizing ion-atom collisions
The projectile energy loss for 7.5--25-MeV C[sup 6+,5+] and F[sup 6+] ions was measured for single collisions with He, Ne, Ar, and Kr as a function of the recoil-ion charge state and the projectile scattering. This energy loss was measured for collisions in which the projectile captured an electron...
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| Veröffentlicht in: | Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 1995-01, Vol.51 (1), p.324-336 |
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| container_title | Physical review. A, Atomic, molecular, and optical physics |
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| creator | Schöne, H Schuch, R Datz, S Schulz, M Dittner, PF Giese, JP Kessel, QC Krause, HF Miller, PD Vane, CR |
| description | The projectile energy loss for 7.5--25-MeV C[sup 6+,5+] and F[sup 6+] ions was measured for single collisions with He, Ne, Ar, and Kr as a function of the recoil-ion charge state and the projectile scattering. This energy loss was measured for collisions in which the projectile captured an electron and for those involving just direct ionization. We investigated and found a large average energy transfer (100--250 eV/electron) to the continuum electrons. A strong increase of the scattering angle with recoil-ion charge state was observed for both capture and direct ionization. The results imply that, for smaller impact parameters, higher recoil-ion charge states are produced and that higher energy losses are obtained. We observed a weak target-[ital Z] dependence of the energy loss. The results are compared with [ital n]-body classical-trajectory Monte Carlo calculations by Olson, semiclassical-approximation calculations by Schuch [ital et] [ital al]. [Nucl. Instrum. Methods Phys. Res. Sect. B 42, 566 (1989)], and the energy-deposition model. |
| doi_str_mv | 10.1103/PhysRevA.51.324 |
| format | Article |
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This energy loss was measured for collisions in which the projectile captured an electron and for those involving just direct ionization. We investigated and found a large average energy transfer (100--250 eV/electron) to the continuum electrons. A strong increase of the scattering angle with recoil-ion charge state was observed for both capture and direct ionization. The results imply that, for smaller impact parameters, higher recoil-ion charge states are produced and that higher energy losses are obtained. We observed a weak target-[ital Z] dependence of the energy loss. The results are compared with [ital n]-body classical-trajectory Monte Carlo calculations by Olson, semiclassical-approximation calculations by Schuch [ital et] [ital al]. [Nucl. Instrum. Methods Phys. Res. Sect. B 42, 566 (1989)], and the energy-deposition model.</description><identifier>ISSN: 1050-2947</identifier><identifier>EISSN: 1094-1622</identifier><identifier>DOI: 10.1103/PhysRevA.51.324</identifier><identifier>PMID: 9911589</identifier><language>eng</language><publisher>United States</publisher><subject>ARGON ; ATOM COLLISIONS ; ATOMIC AND MOLECULAR PHYSICS ; CARBON IONS ; CHARGE EXCHANGE ; CHARGED PARTICLES ; COLLISIONS ; ELEMENTS ; ENERGY LOSSES ; FLUIDS ; FLUORINE IONS ; GASES ; HELIUM ; INELASTIC SCATTERING ; ION COLLISIONS ; ION-ATOM COLLISIONS ; IONIZATION ; IONS ; KRYPTON ; LOSSES ; MULTICHARGED IONS ; NEON ; NONMETALS ; RARE GASES ; SCATTERING 664300 -- Atomic & Molecular Physics-- Collision Phenomena-- (1992-)</subject><ispartof>Physical review. 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A, Atomic, molecular, and optical physics</title><addtitle>Phys Rev A</addtitle><description>The projectile energy loss for 7.5--25-MeV C[sup 6+,5+] and F[sup 6+] ions was measured for single collisions with He, Ne, Ar, and Kr as a function of the recoil-ion charge state and the projectile scattering. This energy loss was measured for collisions in which the projectile captured an electron and for those involving just direct ionization. We investigated and found a large average energy transfer (100--250 eV/electron) to the continuum electrons. A strong increase of the scattering angle with recoil-ion charge state was observed for both capture and direct ionization. The results imply that, for smaller impact parameters, higher recoil-ion charge states are produced and that higher energy losses are obtained. We observed a weak target-[ital Z] dependence of the energy loss. 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A, Atomic, molecular, and optical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Schöne, H</au><au>Schuch, R</au><au>Datz, S</au><au>Schulz, M</au><au>Dittner, PF</au><au>Giese, JP</au><au>Kessel, QC</au><au>Krause, HF</au><au>Miller, PD</au><au>Vane, CR</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Projectile energy loss in multiply ionizing ion-atom collisions</atitle><jtitle>Physical review. A, Atomic, molecular, and optical physics</jtitle><addtitle>Phys Rev A</addtitle><date>1995-01</date><risdate>1995</risdate><volume>51</volume><issue>1</issue><spage>324</spage><epage>336</epage><pages>324-336</pages><issn>1050-2947</issn><eissn>1094-1622</eissn><abstract>The projectile energy loss for 7.5--25-MeV C[sup 6+,5+] and F[sup 6+] ions was measured for single collisions with He, Ne, Ar, and Kr as a function of the recoil-ion charge state and the projectile scattering. This energy loss was measured for collisions in which the projectile captured an electron and for those involving just direct ionization. We investigated and found a large average energy transfer (100--250 eV/electron) to the continuum electrons. A strong increase of the scattering angle with recoil-ion charge state was observed for both capture and direct ionization. The results imply that, for smaller impact parameters, higher recoil-ion charge states are produced and that higher energy losses are obtained. We observed a weak target-[ital Z] dependence of the energy loss. The results are compared with [ital n]-body classical-trajectory Monte Carlo calculations by Olson, semiclassical-approximation calculations by Schuch [ital et] [ital al]. [Nucl. Instrum. Methods Phys. Res. Sect. B 42, 566 (1989)], and the energy-deposition model.</abstract><cop>United States</cop><pmid>9911589</pmid><doi>10.1103/PhysRevA.51.324</doi><tpages>13</tpages></addata></record> |
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| source | American Physical Society Journals |
| subjects | ARGON ATOM COLLISIONS ATOMIC AND MOLECULAR PHYSICS CARBON IONS CHARGE EXCHANGE CHARGED PARTICLES COLLISIONS ELEMENTS ENERGY LOSSES FLUIDS FLUORINE IONS GASES HELIUM INELASTIC SCATTERING ION COLLISIONS ION-ATOM COLLISIONS IONIZATION IONS KRYPTON LOSSES MULTICHARGED IONS NEON NONMETALS RARE GASES SCATTERING 664300 -- Atomic & Molecular Physics-- Collision Phenomena-- (1992-) |
| title | Projectile energy loss in multiply ionizing ion-atom collisions |
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