Laser-induced radiative recombination of antihydrogen in a magnetic field through a quasi-stationary state |
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Authors: | V V Serov V L Derbov S I Vinitsky |
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Institution: | (1) Saratov State University, Saratov, 410012, Russia;(2) Laboratory of Theoretical Physics, Joint Institute of Nuclear Research, Dubna, 141980, Russia |
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Abstract: | To increase the efficiency of laser-induced recombination of antihydrogen from cold antihydrogen—positron plasma in a trap, it is proposed to use a new resonance mechanism with the participation of positron quasi-stationary states, arising under the joint action of an antiproton Coulomb field and a strong magnetic field of the trap. The recombination rate is expressed through the atomic laser ionization cross section whose frequency dependence is nonmonotonic due to the presence of quasi-stationary states against the background of the continuum. The estimates with the use of the ionization cross sections calculated earlier demonstrate the possibility of improving the efficiency of the laser-induced recombination at an optimally selected laser frequency. |
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