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RESEARCH PRODUCT
First Precision Mass Measurements of Refractory Fission Fragments
Markku OinonenS. KopeckyAri JokinenUlrike HagerIain MooreV. S. KolhinenJ. SzerypoA. NieminenJuha ÄYstöSami Rinta-antilaTommi EronenJani Hakalasubject
PhysicsIsotopeFissionBeta (plasma physics)Binding energyGeneral Physics and AstronomyPhysics::Atomic PhysicsAtomic physicsDeformation (meteorology)Nuclear ExperimentPenning trapMass spectrometryAtomic massdescription
Atomic masses of 95-100Sr, 98-105Zr, and [corrected] 102-110Mo and have been measured with a precision of 10 keV employing a Penning trap setup at the IGISOL facility. Masses of 104,105Zr and 109,110Mo are measured for the first time. Our improved results indicate significant deviations from the previously published values deduced from beta end point measurements. The most neutron-rich studied isotopes are found to be significantly less bound (1 MeV) compared to the 2003 atomic mass evaluation. A strong correlation between nuclear deformation and the binding energy is observed in the two-neutron separation energy in all studied isotope chains.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2005-04-15 | Physical Review Letters |