Possible stimulation of nuclear alpha decay by superfluid helium.
It is suggested that superfluid helium (condensate of (4)He atoms) may stimulate nuclear alpha decay in a situation when an alpha emitter moves through superfluid helium with fine-tuned velocity, so that the backward-emitted alpha particle is at rest in the laboratory frame. It is shown that the probability of stimulated alpha decay in this case may be sizable enough to be detected.
Kurchatov Institute, Moscow 123182, Russia.
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Barabanov