AI Article Synopsis
- A recent study observed the alpha decay of 209Bi to both its ground and first excited states using a large BGO scintillating bolometer.
- The half-life of 209Bi was measured to be approximately 2.01 x 10^19 years, with a margin of error of ±0.08 years.
- The branching ratio for the decay transitioning from the ground state to itself is found to be 98.8%, with a slight uncertainty of ±0.3%.
Article Abstract
209Bi alpha decay to the ground and to the first excited state have been recently observed for the first time with a large BGO scintillating bolometer. The half-life of 209Bi is determined to be τ(1/2)=(2.01±0.08)×10(19) yr while the branching ratio for the ground-state to ground-state transition is (98.8±0.3)%.
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| http://dx.doi.org/10.1103/PhysRevLett.108.062501 | DOI Listing |
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