Production of energetic electrons in the process of photodetachment of F- -: art. no. 183001

被引：65
|
作者：
Kiyan, IY [1 ]
Helm, H [1 ]
机构：
[1] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany
来源：
PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 18期
关键词：
D O I：
10.1103/PhysRevLett.90.183001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An imaging technique is used to record an energy and angle resolved spectrum of electrons produced by photodetachment of F- in a strong infrared laser pulse. The spectrum involves contributions from more than 23 excess photon detachment channels. Its higher energy part extends beyond the classical cutoff value, and it appears as a pronounced plateau localized within a small angle along the laser polarization axis. A Keldysh-like theory is able to qualitatively reproduce the spectrum without taking into account the rescattering mechanism. The role of the parity of the initial bound state is discussed.
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页数：4
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