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The creation of transuranium nuclides under pulsed neutron fluxes ofthermonuclear explosions is investigated within the kinetic model of theastrophysical r process, taking into account the time dependence of theexternal parameters and the processes accompanying the beta decay ofneutron-rich nuclei. Time-dependent neutron fluxes in the interval ~ 10e-6 swere modeled within the framework of the developed adiabatic binary model. Theprobabilities of beta-delayed processes were calculated on the base of themicroscopic theory of finite Fermi systems. Calculations of transuraniumnuclides yields Y(A) are made for three experimental USA thermonuclearexplosions "Mike" (YM), "Par" (YP) and "Barbel" (YB). The root-mean-squaredeviations of the calculations compare to the experimental data (r.m.s.) are91% for YM, 33% for YP, 29% for YB , which are significantly lower than forother known calculations. The exponential approximation of the experimentaldependences Y(A) is carried out and the obtained values of r.m.s are equal to56%, 86.8% and 60.2% for YM, YP and YB correspondingly, which is better orcomparable with other calculations. An even-odd anomaly in the observed yieldsof heavy nuclei is explained by the predominant influence of processesaccompanying the beta decay of heavy neutron-excess isotopes.

Nucleosynthesis of transuranium nuclides under conditions of Mike, Par and Barbell thermonuclear explosions