|
|
Total cross sections of positron–sodium scattering at low energies |
Cheng Yong-Jun(程勇军), Zhou Ya-Jun(周雅君)†, and Jiao Li-Guang(焦利光) |
The Academy of Fundamental and Interdisciplinary Science, Harbin Institute of Technology, Harbin 150080, China |
|
|
Abstract A new calculation for the total cross section of positron-sodium scattering is performed in an energy range down to a few tenths of one electron volt using the coupled-channel optical method. The ionization continuum and the positronium formation channels are included via an equivalent-local complex potential. The role played by the break-up and rearrangement processes in the low energy positron-sodium scattering is also investigated. The total scattering cross section is reported and compared with the available theoretical and experimental data.
|
Received: 26 April 2011
Revised: 09 June 2011
Accepted manuscript online:
|
PACS:
|
34.80.Uv
|
(Positron scattering)
|
|
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10674055). |
Cite this article:
Cheng Yong-Jun(程勇军), Zhou Ya-Jun(周雅君), and Jiao Li-Guang(焦利光) Total cross sections of positron–sodium scattering at low energies 2012 Chin. Phys. B 21 013405
|
[1] |
Gao F, Yamada R, Watanabe M, Watanabe M and Liu H F 2009 Chin. Phys. B 18 3066
|
[2] |
Dong X J, Hu Y F and Wu Y Y 2010 Chin. Phys. B 19 013601
|
[3] |
Kwan C K, Kauppila W E, Lukaszew R A, Parikh S P, Stein T S, Wan Y J and Dababneh M S 1991 Phys. Rev. A 44 1620
|
[4] |
Kauppila W E, Kwan C K, Stein T S and Zhou S 1994 J. Phys. B: At. Mol. Opt. Phys. 27 L551
|
[5] |
Zhou S, Parikh S P, Kauppila W E, Kwan C K, Lin D, Surdutovich E and Stein T S 1994 Phys. Rev. Lett. 73 236
|
[6] |
Surdutovich E, Johnson J M, Kauppila W E, Kwan C K and Stein T S 2002 Phys. Rev. A 65 032713
|
[7] |
Ward S J, Horbatsch M, McEachran R P and Stauffer A D 1989 J. Phys. B: At. Mol. Opt. Phys. 22 1845
|
[8] |
Abdel-Raouf M A 1988 J. Phys. B: At. Mol. Opt. Phys. 21 2331
|
[9] |
Hewitt R, Nobel C J and Bransden B H 1993 J. Phys. B: At. Mol. Opt. Phys. 26 3661
|
[10] |
Mitroy J and Ratnavelu K 1994 Aust. J. Phys. 47 721
|
[11] |
Ryzhikh G and Mitroy J 1997 J. Phys. B: At. Mol. Opt. Phys. 30 5545
|
[12] |
Campbell C P, McAlinden M T, Kernoghan A A and Walters H R J 1998 Nucl. Instrum. Methods Phys. Res. B 143 41
|
[13] |
Natchimuthu N and Ratnavelu K 2001 Phys. Rev. A 63 052707
|
[14] |
Zhou Y, Ratnavelu K and McCarthy I E 2005 Phys. Rev. A 71 042703
|
[15] |
Cheng Y and Zhou Y 2007 Phys. Rev. A 76 012704
|
[16] |
Cheng Y J and Zhou Y J 2010 Chin. Phys. B 19 063405
|
[17] |
Cheshire I M 1964 Proc. Phys. Soc. Jpn. 83 227
|
[18] |
Ward S J, Horbatsch M, McEachran R P and Stauffer A D 1989 J. Phys. B: At. Mol. Opt. Phys. 22 3763
|
[19] |
Han H, Zhong Z, Zhang X and Shi T 2008 Phys. Rev. A 77 012721
|
[20] |
Kar S and Ho Y K 2005 Eur. Phys. J. D 35 453
|
No Suggested Reading articles found! |
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
Cited |
|
|
|
|
Altmetric
|
blogs
Facebook pages
Wikipedia page
Google+ users
|
Online attention
Altmetric calculates a score based on the online attention an article receives. Each coloured thread in the circle represents a different type of online attention. The number in the centre is the Altmetric score. Social media and mainstream news media are the main sources that calculate the score. Reference managers such as Mendeley are also tracked but do not contribute to the score. Older articles often score higher because they have had more time to get noticed. To account for this, Altmetric has included the context data for other articles of a similar age.
View more on Altmetrics
|
|
|