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Ion traps for precision experiments on rare isotopes

Dr. Christine Weber (LMU München)

Datum:  29.01.2015 16:00 Uhr – 17:00 Uhr

Ort: Seminar room 127 (Physics Department TUM, Physik II, ground floor/north)

Accurate mass determination employing Penning ion traps has gained increasing importance since the installation of several on-line mass-spectrometer facilities at accelerator labs. These setups combine the unique production
schemes for very rare isotopes with techniques providing excellent mass separation and highest mass accuracy. Atomic masses reflect the nuclear binding energy as one of the fundamental ground-state properties of each
nucleus. With their detailed study, many physics applications can be addressed, such as nuclear structure, nuclear astrophysics, weak-interaction, and neutrino physics.
Moreover, purified samples of stored ions can be regarded as ideal sources for nuclear decay-spectroscopy experiments, since they are essentially free from any background effects. A basic introduction into the techniques of ion traps and mass spectrometry will be given, accompanied by highlight physics examples. An overview on recent developments for a novel in-trap decay-spectroscopy setup with an outlook to emerging radioactive beam
facilities will be presented.

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