Maqola

Fission rate and transient time with a quantum master equation

V. V. SargsyanJoint Institute for Nuclear Research, RU-141980 Dubna, RussiaYu. V. PalchikovJoint Institute for Nuclear Research, RU-141980 Dubna, RussiaZ. KanokovJoint Institute for Nuclear Research, RU-141980 Dubna, RussiaG. G. AdamianInstitute of Nuclear Physics, 702132 Tashkent, UzbekistanN. V. AntonenkoJoint Institute for Nuclear Research, RU-141980 Dubna, Russia

Physical Review Cjournal2007en

ABI

Annotatsiya

The induced nuclear fission is considered a transport process over the fission barrier underlying dissipative forces. Using a quantum master equation for the reduced density matrix, the influence of microscopical diffusion coefficients on the total fission time and transient time is studied. The influence of transient effects on the probability of the first-chance fission is estimated. For different temperatures and friction coefficients, the quasistationary fission rate is compared with the analytical Kramers formula.

Mavzular

Quantum chaos and dynamical systems Spectroscopy and Quantum Chemical Studies Advanced Chemical Physics Studies

Identifikatorlar

DOI: 10.1103/physrevc.76.064604

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