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Abstract
Energies from alpha- and proton-decay experiments yield information of capital importance for deriving the atomic masses of superheavy and exotic nuclides. We present a procedure to correct the published decay energies in case the recoiling daughter nuclides were not considered properly in implantation experiments. A program has been developed based on Lindhard's integral theory, which can accurately predict the energy deposition of heavy atomic projectiles in matter.
Highlights
The study of different decay modes reveals important nuclear structure information
In the third method the nuclide of interest is implanted into a foil and the α particle is detected by surrounding Si detectors [6]
For proton-decay experiments where Q p is often used in the calibration, one can obtain a similar relation as Eq (3): Ed = Ep + ER ∗ K
Summary
The study of different decay modes reveals important nuclear structure information. Energies from α and proton decay yield information of capital importance for deriving mass values. The second one uses the scintillating bolometer technique which detects the total α-decay energy at temperatures below 100 mK [5]. In the third method the nuclide of interest is implanted into a foil and the α particle is detected by surrounding Si detectors [6]. The first three methods measure either the pure α-particle energy or the total α-decay energy, while the implantation method detects the α (or proton) particle and the heavy recoil daughter nuclide in coincidence. The knowledge of the behaviour of the recoil nuclide is crucial for obtaining the accurate decay-energy value
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