Abstract:
We present an advanced theory of charge-exchange-caused dips (also called X-dips) in spectral lines from laser-produced plasmas. We compare predictions of this advanced theory with our previously published experimental results where, in the process of a laser irradiation of targets made out of aluminum carbide, we observed two X-dips in the L γ line of Al XIII perturbed by fully stripped carbon. We show that our advanced theory is in excellent agreement with our experimental results. From the practical point of view, our results open up a way to experimentally produce not-yet-available fundamental data on charge exchange between multicharged ions, virtually inaccessible by other experimental methods. From the theoretical viewpoint, the results are important because the X-dips are the only one signature of charge exchange in profiles of spectral lines emitted by plasmas and they are the only one quasimolecular phenomenon that could be observed at relatively “low” densities of laser-produced plasmas.
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Received 25 March 2002 Published online 19 July 2002
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Leboucher-Dalimier, E., Oks, E., Dufour, E. et al. Advanced simulations of spectroscopic signatures of charge exchange in laser-produced plasmas. Eur. Phys. J. D 20, 269–274 (2002). https://doi.org/10.1140/epjd/e2002-00125-0
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DOI: https://doi.org/10.1140/epjd/e2002-00125-0