1. Introduction 593
2. Experimental Work on Catalysis of Nuclear Reactions by μ Mesons 596
a) Berkeley Experiments 596
b) Liverpool Experiments 597
3. Kinetics of Catalysis of Nuclear Reactions by μ Mesons in Hydrogen 598
4. Mesomolecular Processes in Hydrogen 601
a) Adiabatic Approximation 601
b) Improvement of the Adiabatic Approximation for Hydrogen Mesomolecules 602
c) Levels of Mesomolecules 603
d) The Process of Transfer of a μ Meson from a Light to a Heavy Isotope 605
e) Scattering of Mesonic Atoms by Nuclei 605
f) Formation of Mesomolecules 607
g) Transitions between Levels of Mesomolecules 609
h) Comparison with Experimental Data 610
5. Nuclear Reactions in Mesomolecules 611
a) Reaction Constants 611
b) Penetration of Nuclei through the Barrier in a Mesomolecule 612
c) Nuclear Reaction in the pdμ Mesonic Molecule 612
d) Nuclear Reaction in the ptμ Mesonic Molecule 614
6. Efficiency of Catalysis of Nuclear Reactions by Mesons 616
7. Conclusion 617
Appendices 1 — 3 618-622