Coplanar asymmetric ([ital e],2[ital e]) experiments on xenon 4[ital d] and 5[ital p] orbitals
Relative triple-differential cross sections for ionization of Xe 4[ital d] and 5[ital p] orbitals have been measured in coplanar asymmetric kinematics. The scattered-electron energy is held at 1000 eV while the ejected-electron energy is changed so as to select energy-loss values [Delta][ital E] in...
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| Veröffentlicht in: | Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 1993-08, Vol.48:2 |
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| container_title | Physical review. A, Atomic, molecular, and optical physics |
| container_volume | 48:2 |
| creator | Avaldi, L. Camilloni, R. Multari, R. Stefani, G. Zhang, X. Walters, H.R.J. Whelan, C.T. |
| description | Relative triple-differential cross sections for ionization of Xe 4[ital d] and 5[ital p] orbitals have been measured in coplanar asymmetric kinematics. The scattered-electron energy is held at 1000 eV while the ejected-electron energy is changed so as to select energy-loss values [Delta][ital E] in or out of the region characterized by the giant resonance in the 4[ital d][r arrow][var epsilon][ital f] channel. The ionization mechanism as well as the interference between the direct and resonant processes have been investigated by varying the momentum transfer in a collision at each ejected-electron energy. Strong interchannel coupling between the 5[ital p] and 4[ital d] shells in the region of the giant resonance has been observed in ([ital e],2[ital e]) experiments. Distorted-wave-Born-approximation calculations have been compared with the experimental triple-differential cross section and used to guide the discussion. |
| doi_str_mv | 10.1103/PhysRevA.48.1195 |
| format | Article |
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The scattered-electron energy is held at 1000 eV while the ejected-electron energy is changed so as to select energy-loss values [Delta][ital E] in or out of the region characterized by the giant resonance in the 4[ital d][r arrow][var epsilon][ital f] channel. The ionization mechanism as well as the interference between the direct and resonant processes have been investigated by varying the momentum transfer in a collision at each ejected-electron energy. Strong interchannel coupling between the 5[ital p] and 4[ital d] shells in the region of the giant resonance has been observed in ([ital e],2[ital e]) experiments. Distorted-wave-Born-approximation calculations have been compared with the experimental triple-differential cross section and used to guide the discussion.</description><identifier>ISSN: 1050-2947</identifier><identifier>EISSN: 1094-1622</identifier><identifier>DOI: 10.1103/PhysRevA.48.1195</identifier><language>eng</language><publisher>United States</publisher><subject>664300 - Atomic & Molecular Physics- Collision Phenomena- (1992-) ; ATOM COLLISIONS ; ATOMIC AND MOLECULAR PHYSICS ; COLLISIONS ; CROSS SECTIONS ; DIFFERENTIAL CROSS SECTIONS ; ELECTRON COLLISIONS ; ELECTRON EMISSION ; ELECTRON-ATOM COLLISIONS ; ELEMENTS ; EMISSION ; ENERGY LEVELS ; ENERGY SPECTRA ; EXCITED STATES ; FLUIDS ; GASES ; GIANT RESONANCE ; IONIZATION ; MOMENTUM TRANSFER ; NONMETALS ; RARE GASES ; RESONANCE ; SPECTRA ; XENON</subject><ispartof>Physical review. 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A, Atomic, molecular, and optical physics</title><description>Relative triple-differential cross sections for ionization of Xe 4[ital d] and 5[ital p] orbitals have been measured in coplanar asymmetric kinematics. The scattered-electron energy is held at 1000 eV while the ejected-electron energy is changed so as to select energy-loss values [Delta][ital E] in or out of the region characterized by the giant resonance in the 4[ital d][r arrow][var epsilon][ital f] channel. The ionization mechanism as well as the interference between the direct and resonant processes have been investigated by varying the momentum transfer in a collision at each ejected-electron energy. Strong interchannel coupling between the 5[ital p] and 4[ital d] shells in the region of the giant resonance has been observed in ([ital e],2[ital e]) experiments. 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A, Atomic, molecular, and optical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Avaldi, L.</au><au>Camilloni, R.</au><au>Multari, R.</au><au>Stefani, G.</au><au>Zhang, X.</au><au>Walters, H.R.J.</au><au>Whelan, C.T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coplanar asymmetric ([ital e],2[ital e]) experiments on xenon 4[ital d] and 5[ital p] orbitals</atitle><jtitle>Physical review. A, Atomic, molecular, and optical physics</jtitle><date>1993-08-01</date><risdate>1993</risdate><volume>48:2</volume><issn>1050-2947</issn><eissn>1094-1622</eissn><abstract>Relative triple-differential cross sections for ionization of Xe 4[ital d] and 5[ital p] orbitals have been measured in coplanar asymmetric kinematics. The scattered-electron energy is held at 1000 eV while the ejected-electron energy is changed so as to select energy-loss values [Delta][ital E] in or out of the region characterized by the giant resonance in the 4[ital d][r arrow][var epsilon][ital f] channel. The ionization mechanism as well as the interference between the direct and resonant processes have been investigated by varying the momentum transfer in a collision at each ejected-electron energy. Strong interchannel coupling between the 5[ital p] and 4[ital d] shells in the region of the giant resonance has been observed in ([ital e],2[ital e]) experiments. Distorted-wave-Born-approximation calculations have been compared with the experimental triple-differential cross section and used to guide the discussion.</abstract><cop>United States</cop><doi>10.1103/PhysRevA.48.1195</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1050-2947 |
| ispartof | Physical review. A, Atomic, molecular, and optical physics, 1993-08, Vol.48:2 |
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| source | American Physical Society Journals |
| subjects | 664300 - Atomic & Molecular Physics- Collision Phenomena- (1992-) ATOM COLLISIONS ATOMIC AND MOLECULAR PHYSICS COLLISIONS CROSS SECTIONS DIFFERENTIAL CROSS SECTIONS ELECTRON COLLISIONS ELECTRON EMISSION ELECTRON-ATOM COLLISIONS ELEMENTS EMISSION ENERGY LEVELS ENERGY SPECTRA EXCITED STATES FLUIDS GASES GIANT RESONANCE IONIZATION MOMENTUM TRANSFER NONMETALS RARE GASES RESONANCE SPECTRA XENON |
| title | Coplanar asymmetric ([ital e],2[ital e]) experiments on xenon 4[ital d] and 5[ital p] orbitals |
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