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VOLUME 81 (2005) | ISSUE 11 | PAGE 675
Coulomb deexcitation of muonic hydrogen within quantum close-coupling method
PACS: 74.50.+r, 74.80.Fp
Abstract
The Coulomb deexcitation of muonic hydrogen in collisions with hydrogen atom has been studied in the framework of the fully quantum-mechanical close-coupling method for the first time. The calculations of the l-averaged cross sections of the Coulomb deexcitation are performed for (μ p)n and (μ d)n atoms in the initial states with the principal quantum number n=3 \div 9 and at the relative energies E=0.1 \div 100 eV. The obtained results for the n and E dependences of the Coulomb deexcitation cross sections drastically differ from the semiclassical results. Important contribution of the transitions with Δ n > 1 to the total Coulomb deexcitation cross sections (up to \sim 37\%) is predicted.