Euclidean resonance and a new type of nuclear reactions

Details Euclidean resonance and a new type of nuclear reactions Euclidean resonance and a new type of nuclear reactions

2003-02-22

arxiv.org/abs/nucl-th/0302066v1

Physics

Nuclear Physics

Nuclear Theory

30 pages, 12 figures

Scientific paper

The extremely small probability of quantum tunneling through an almost classical potential barrier may become not small under the action of the specially adapted nonstationary field. The tunneling rate has a sharp peak as a function of the particle energy when it is close to the certain resonant value defined by the nonstationary field (Euclidean resonance). Alpha decay of nuclei has a small probability since the alpha particle should tunnel through a very nontransparent Coulomb barrier. The incident proton, due to the Coulomb interaction with the tunneling alpha particle, plays the role of a nonstationary field which may result in Euclidean resonance in tunneling of the alpha particle. At the resonant proton energy, which is of the order of 0.2 Mev, the alpha particle escapes the nucleus and goes to infinity with no influence of the nuclear Coulomb barrier. The process is inelastic since the alpha particle releases energy and the proton gains it. This stimulation of alpha decay by a proton constitutes a new type of nuclear reactions.

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