Research Papers in Physics and Astronomy


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Published by American Physical Society. Phys. Rev. Lett. 91, 053003 (2003). Copyright © 2003 American Physical Society. Permission to use.


We present a model-independent theory for laser detachment of a weakly bound electron having a nonzero angular momentum. Our treatment reduces to the well-known Keldysh result for tunnel ionization upon neglecting rescattering effects. Numerical results for the above-threshold detachment spectrum of a negative ion having an outer p electron show significant modification of the rescattering plateau as compared to that for an ion having an outer s electron.

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