1. Other decay modes have very small probabilities and emit less energetic gammas. 2. Beta decay modes have been found for all astatine isotopes except astatine-213,-214,-215, and-216m. 3. The parent isotope of indium-111 is tin-111, with a decay mode of electron capture. 4. Metastable isomeric transition is the only nuclear decay mode that approaches pure gamma emission. 5. The primary decay mode before the most abundant stable isotope 51 V is electron capture. 6. So there " should " be a way of computing decay modes and half-life times. 7. Pu-240 undergoes spontaneous fission as a secondary decay mode at a small but significant rate. 8. This isotope's primary decay mode is positron emission to the relatively long-lived alpha emitter, polonium-210. 9. He concentrated on the beta-delayed neutron decay mode , especially the spectroscopy of the emitted neutrons. 10. No other decay modes have been established experimentally.
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