Very recently the atomic masses of neutron-rich Zr isotopes, from Zr to Zr, have been measured with high precision. Using a schematic Interacting Boson Model (IBM) Hamiltonian, the evolution from spherical to deformed shapes along the chain of Zr isotopes, describing at the same time the excitation energies as well as the two-neutron separation energies, can be rather well reproduced. The inter...

One of the beneficial features of inductively coupled mass spectrometry (ICP-MS) is its ability to measure multiple isotopes of the same element. This ability is useful in many analyses, primarily as confirmation of a correct answer (i.e. if two isotopes of the same element give the same result, the result is most likely correct) or the ability to select another analytical isotope, if an interf...

We study the role of different collective degrees of freedom in spontaneous fission process of even–even Fm isotopes. To find a proper collective space we examine a reach collection of nuclear shape parameters {βλ}, with λ=2,3,4,5,6 and 8; as well as the paring degrees of freedom i.e. proton ∆p and neutron ∆n pairing gaps. On the basis of the multidimensional dynamic–programming method (MDPM) t...