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Chin. Phys. B, 2010, Vol. 19(2): 023202    DOI: 10.1088/1674-1056/19/2/023202
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

How to measure the internuclear vector from photoelectron angular distributions

Ren Xiang-He(任向河)a), Zhang Jing-Tao(张敬涛)a)†, Wang Yi(王懿) a), Xu Zhi-Zhan(徐至展)a), J.~T. Wangb), and D.~S. Guob)
a State Key Laboratory for High-Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; b Department of Physics, Southern University and A & M College, Baton Rouge, Louisiana 70813 USA
Abstract  This paper uses a nonperturbative scattering theory to study photoelectron angular distributions of homonuclear diatomic molecules irradiated by circularly polarized laser fields. This study shows that the nonisotropic feature of photoelectron angular distributions is not due to the polarization of the laser field but the internuclear vector of the molecules. It suggests a method to measure the molecular orientation and the internuclear distance of molecules through the measurement of photoelectron angular distributions.
Keywords:  photoelectron angular distributions      internuclear distance      photoionization  
Received:  07 April 2009      Revised:  22 May 2009      Accepted manuscript online: 
PACS:  33.60.+q (Photoelectron spectra )  
  33.80.Eh (Autoionization, photoionization, and photodetachment)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No.~10774153), the National Basic Research Program of China (Grant No.~2006CD806000), the Shanghai ``Phosphor'' Science Foundation, China (Grant No.~08QH1402400).

Cite this article: 

Ren Xiang-He(任向河), Zhang Jing-Tao(张敬涛), Wang Yi(王懿), Xu Zhi-Zhan(徐至展), J.~T. Wang, and D.~S. Guo How to measure the internuclear vector from photoelectron angular distributions 2010 Chin. Phys. B 19 023202

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