β-Decay Half-Life of the rp-Process Waiting Point Nuclide 84Mo
Abstract
A half-life of 2.2 0.2 s has been deduced for the ground-state β decay of 84Mo, more than 1σ shorter than the previously adopted value. 84Mo is an even-even N = Z nucleus lying on the proton dripline, created during explosive hydrogen burning in Type I X-ray bursts in the rapid proton capture (rp) process. The effect of the measured half-life on rp-process reaction flow is explored. Implications on theoretical treatments of nuclear deformation in 84Mo are also discussed.
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