Excitation of antiprotonic helium by a single laser pulse of variable intensity

Vladimir L. Derbov; Leonid A. Melnikov; Natalia I. Teper; Igor M. Umanskii; Sergey I. Vinitsky

doi:10.1117/12.426685

9 May 2001 Excitation of antiprotonic helium by a single laser pulse of variable intensity

Vladimir L. Derbov, Leonid A. Melnikov, Natalia I. Teper, Igor M. Umanskii, Sergey I. Vinitsky

Proceedings Volume 4243, Saratov Fall Meeting 2000: Laser Physics and Photonics; and Spectroscopy and Molecular Modeling; (2001) https://doi.org/10.1117/12.426685
Event: Saratov Fall Meeting 2000, 2001, Saratov, Russian Federation

Abstract

We report the results of numerical modeling of the coherent action of a single short laser pulse on a multilevel quantum system of metastable and short-lived states of antiprotonic helium. Increasing the pulse intensity we observed more new states getting involved into the coherent interaction, their populations being affected by the pulse. Examples of intensity-dependent dynamics of the metastable states populations are considered. Extraction of spectroscopic information about the states of antiprotonic helium from the experiments with fixed-frequency variable-intensity laser pulses is discussed.

Citation Download Citation

Vladimir L. Derbov, Leonid A. Melnikov, Natalia I. Teper, Igor M. Umanskii, and Sergey I. Vinitsky "Excitation of antiprotonic helium by a single laser pulse of variable intensity", Proc. SPIE 4243, Saratov Fall Meeting 2000: Laser Physics and Photonics; and Spectroscopy and Molecular Modeling, (9 May 2001); https://doi.org/10.1117/12.426685

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