Abstract
The mass of the short-lived radio nuclide () has been measured with the 9.4-T Penning trap mass spectrometer of the Low-Energy Beam and Ion Trap Facility. A mass uncertainty of has been achieved, corresponding to . The result makes , a superallowed beta emitter, a new candidate to test the conserved-vector-current hypothesis. The experiment is also the first demonstration that short-lived radioactive isotopes produced by projectile fragmentation of relativistic heavy-ion beams can be slowed down and prepared such that precision experiments of this kind are possible.
- Received 6 January 2006
DOI:https://doi.org/10.1103/PhysRevLett.96.152501
©2006 American Physical Society