Electron impact ionization of neon and neonic ions under distorted-wave Born approximation
The （e, 2e） triple differential cross sections of 2s orbitals of neon and neonic ions （Z = 11-14） are calculated using a distorted-wave Born approximation under coplanar asymmetric geometry. The calculated results show that, with the increase in the nuclear charge number Z, the amplitude of triple d...
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| Published in | Chinese physics B Vol. 23; no. 5; pp. 249 - 252 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.05.2014
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-1056 2058-3834 1741-4199 |
| DOI | 10.1088/1674-1056/23/5/053402 |
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| Abstract | The （e, 2e） triple differential cross sections of 2s orbitals of neon and neonic ions （Z = 11-14） are calculated using a distorted-wave Born approximation under coplanar asymmetric geometry. The calculated results show that, with the increase in the nuclear charge number Z, the amplitude of triple differential cross sections decreases. The angle difference between the binary peak position and the direction of momentum transfer gradually increases with the increase in the nuclear charge Z, and a new structure appears at an ejected angle 90° 〈 θ2 〈 120°. Three kinds of collision processes are proposed to illustrate the formation mechanism of such collision peaks. |
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| AbstractList | The (e, 2e) triple differential cross sections of 2s orbitals of neon and neonic ions (Z = 11-14) are calculated using a distorted-wave Born approximation under coplanar asymmetric geometry. The calculated results show that, with the increase in the nuclear charge number Z, the amplitude of triple differential cross sections decreases. The angle difference between the binary peak position and the direction of momentum transfer gradually increases with the increase in the nuclear charge Z, and a new structure appears at an ejected angle 90[degrees] < [theta] sub(2) < 120[degrees]. Three kinds of collision processes are proposed to illustrate the formation mechanism of such collision peaks. The （e, 2e） triple differential cross sections of 2s orbitals of neon and neonic ions （Z = 11-14） are calculated using a distorted-wave Born approximation under coplanar asymmetric geometry. The calculated results show that, with the increase in the nuclear charge number Z, the amplitude of triple differential cross sections decreases. The angle difference between the binary peak position and the direction of momentum transfer gradually increases with the increase in the nuclear charge Z, and a new structure appears at an ejected angle 90° 〈 θ2 〈 120°. Three kinds of collision processes are proposed to illustrate the formation mechanism of such collision peaks. |
| Author | 周丽霞 燕友果 |
| AuthorAffiliation | College of Science, China University of Petroleum, Qingdao 266580, China |
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| Cites_doi | 10.1088/1674-1056/19/7/073401 10.1103/PhysRevA.50.354 10.1088/0953-4075/28/7/022 10.1071/PH950001 10.1103/PhysRevLett.109.123202 10.1088/0953-4075/30/12/014 10.1103/PhysRevA.59.1197 10.1088/0953-4075/38/8/022 10.1088/0022-3700/15/8/020 10.1088/1674-1056/21/9/093401 10.1088/0022-3700/20/13/024 10.1088/0953-4075/41/2/025204 |
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| Notes | The （e, 2e） triple differential cross sections of 2s orbitals of neon and neonic ions （Z = 11-14） are calculated using a distorted-wave Born approximation under coplanar asymmetric geometry. The calculated results show that, with the increase in the nuclear charge number Z, the amplitude of triple differential cross sections decreases. The angle difference between the binary peak position and the direction of momentum transfer gradually increases with the increase in the nuclear charge Z, and a new structure appears at an ejected angle 90° 〈 θ2 〈 120°. Three kinds of collision processes are proposed to illustrate the formation mechanism of such collision peaks. （e, 2e） reaction, distorted-wave Born approximation, triple differential cross sections Zhou Li-Xia,Yan You-Guo（ College of Science, China University of Petroleum, Qingdao 266580, China） 11-5639/O4 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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| References | McCarthy I E (11) 1995; 48 Chen L M (14) 2006; 27 Roy A (4) 1982; 15 Zhou L X (10) 2012; 21 Zhou L X (9) 2010; 19 3 Chen L Q (13) 2005; 38 Staicu Casagrande E M (1) 2008; 41 6 8 Ren X (2) 2010; 212 Biswas R (5) 1995; 28 Shi Q C (7) 1997; 30 Gianturco F A (12) 1987; 20 |
| References_xml | – volume: 19 start-page: 073401 issn: 1674-1056 year: 2010 ident: 9 publication-title: Chin. Phys. doi: 10.1088/1674-1056/19/7/073401 – ident: 6 doi: 10.1103/PhysRevA.50.354 – volume: 27 start-page: 271 year: 2006 ident: 14 publication-title: J. China West Normal University – volume: 28 start-page: 1311 issn: 0953-4075 year: 1995 ident: 5 publication-title: J. Phys. doi: 10.1088/0953-4075/28/7/022 – volume: 48 start-page: 1 issn: 0004-9506 year: 1995 ident: 11 publication-title: Aust. J. Phys. doi: 10.1071/PH950001 – ident: 3 doi: 10.1103/PhysRevLett.109.123202 – volume: 30 start-page: 2859 issn: 0953-4075 year: 1997 ident: 7 publication-title: J. Phys. doi: 10.1088/0953-4075/30/12/014 – ident: 8 doi: 10.1103/PhysRevA.59.1197 – volume: 38 start-page: 1371 issn: 0953-4075 year: 2005 ident: 13 publication-title: J. Phys. doi: 10.1088/0953-4075/38/8/022 – volume: 15 start-page: 1289 issn: 0022-3700 year: 1982 ident: 4 publication-title: J. Phys. doi: 10.1088/0022-3700/15/8/020 – volume: 21 start-page: 093401 issn: 1674-1056 year: 2012 ident: 10 publication-title: Chin. Phys. doi: 10.1088/1674-1056/21/9/093401 – volume: 20 start-page: 3171 issn: 0022-3700 year: 1987 ident: 12 publication-title: J. Phys. doi: 10.1088/0022-3700/20/13/024 – volume: 41 start-page: 025204 issn: 0953-4075 year: 2008 ident: 1 publication-title: J. Phys. doi: 10.1088/0953-4075/41/2/025204 – volume: 212 start-page: 012003 year: 2010 ident: 2 publication-title: J. Phys.: Conf. Ser. |
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| Snippet | The （e, 2e） triple differential cross sections of 2s orbitals of neon and neonic ions （Z = 11-14） are calculated using a distorted-wave Born approximation... The (e, 2e) triple differential cross sections of 2s orbitals of neon and neonic ions (Z = 11-14) are calculated using a distorted-wave Born approximation... |
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| SubjectTerms | Angles (geometry) Born approximation Charge Collision dynamics Distortion Ionization Mathematical analysis Neon 三重微分截面 扭曲波玻恩近似 核电荷数 电子碰撞电离 离子 计算结果 近似计算 霓虹灯 |
| Title | Electron impact ionization of neon and neonic ions under distorted-wave Born approximation |
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