Recent developments in precision mass spectrometry of radioactive isotopes (RI) and some
selected related physics subjects are reviewed. In the last decades, besides conventional …

Double-beta processes play a key role in the exploration of neutrino and weak interaction
properties, and in the searches for effects beyond the standard model. During the last half …

Penning-trap mass spectrometry in atomic and nuclear physics has become a well-
established and reliable tool for the determination of atomic masses. In combination with …

Precise and accurate atomic mass data provide crucial information for applications in a wide
range of fields in physics and beyond, including astrophysics, nuclear structure, particle and …

Background: Ultralow Q-value β decays are interesting processes to study with potential
applications to nuclear β-decay theory and neutrino physics. While a number of potential …

Background: The understanding and description of forbidden decays provides interesting
challenges for nuclear theory. These calculations could help to test underlying nuclear …

Using high-precision Penning trap mass spectrometry at the Low Energy Beam and Ion Trap
facility at the National Superconducting Cyclotron Laboratory we have measured the Q …

Mass measurements give us the nuclear binding energy, a fundamental property that is
indispensable for the study of nuclear structure, stellar nucleosynthesis and neutron-star …

The first search for double electron capture (2ε) and electron capture with positron emission
(εβ+) of 162 Er to the ground state and to several excited levels of 162 Dy was realized with …

New limits on β+ EC and ECEC processes in 74 Se have been obtained using a 600 cm 3
HPGe detector and an external source consisting of 1600 g of a natural selenium powder …