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VOLUME 34 (1981) | ISSUE 6 | PAGE 375
Temperature dependence of the recombination rate constant of hydrogen atoms in solid H2 at 1.5 K< T < 5.5 K
A second-order recombination process occurs in the solid mixture Η + H2. At T>4.5 К the rate constant for this recombination is К [T)~ exp (~Ea/kT), with Ea = 107±10 K. The temperature dependence K(T) in the region 1.5 Κ < Τ <4.3 К apparently corresponds to a nonclassical diffusion of Η atoms in H2.