Introducing the lightest-ever isotope of astatine observed to date.
, astatine is placed with halogens, which are highly reactive nonmetallic elements.present on Earth at any moment. Most of its properties are unknown and derived from inference as it is short-lived. It generally undergoes alpha decay into a more stable form, such as radon or bismuth.have shown that it may have anti-cancer properties, being a potential candidate for radiation therapies. Therefore, gaining a better understanding of this element is vital.
Fusion-evaporation reactions involve the collision of heavy ions with a target nucleus, which fuse to create a compound nucleus. This compound nucleus undergoes alpha decay by ejecting alpha particles, which are particles containing two neutrons and two protons , to produce a more stable element. The research team bombarded 84strontium into silver atoms and studied the decay products. They were not looking forThe reaction revealed that the alpha particles during the decay ofAt had an energy of around 7750 keV. This measurement provides important insights into the energetics of the decay process.At was around one millisecond. The short half-life indicates thatAt is a highly radioactive isotope. These measurements aligned with our predictions from atomic mass models of this isotope.
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