Quantum Zeno effect, nuclear conversion and photoionization in solids
- Institute of General and Nuclear Physics, Russian Research Center ``Kurchatov Institute,`` Kurchatov Sq., Moscow 123182 (Russia)
The quantum Zeno effect in continuous passive observation of radioactive decay is described starting from the ``first principles``. It is argued, that in this case the quantum Zeno effect reduces to the influence of inelastic scattering of decay products in surrounded media to decay constant. A new class of quantum Zeno effects is introduced, which are named as {open_quote}{open_quote}threshold quantum Zeno effects{close_quote}{close_quote} (TQZE). It is shown, that TQZE could explain recently discovered deep suppression of the conversion decay of 1/2{sup +}-isomer of uranium-235 in the lattice of silver. TQZE predicts also some new phenomena, which may be observed in the near-threshold behavior of atomic photoionization cross-sections. Possible experimental manifestations of this new phenomena are discussed. Copyright {copyright} 1996 Academic Press, Inc.
- OSTI ID:
- 385356
- Journal Information:
- Annals of Physics (New York), Journal Name: Annals of Physics (New York) Journal Issue: 1 Vol. 249; ISSN 0003-4916; ISSN APNYA6
- Country of Publication:
- United States
- Language:
- English
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