The SHIPTRAP Penning trap mass spectrometer has been designed and constructed to measure the mass of short‐lived, radioactive nuclei. The radioactive nuclei are produced in fusion‐evaporation reactions and separated in flight with the velocity filter SHIP at GSI in Darmstadt. They are captured in a gas cell and transfered to a double Penning trap mass spectrometer. There, the cyclotron frequencies of the radioactive ions are determined and yield mass values with uncertainties ≥ 4.5⋅10−8. More than 50 nuclei have been investigated so far with the present overall efficiency of about 0.5 to 2%.
Precise mass measurements of exotic nuclei—the SHIPTRAP Penning trap mass spectrometer
MAZZOCCO, MARCO;
2007
Abstract
The SHIPTRAP Penning trap mass spectrometer has been designed and constructed to measure the mass of short‐lived, radioactive nuclei. The radioactive nuclei are produced in fusion‐evaporation reactions and separated in flight with the velocity filter SHIP at GSI in Darmstadt. They are captured in a gas cell and transfered to a double Penning trap mass spectrometer. There, the cyclotron frequencies of the radioactive ions are determined and yield mass values with uncertainties ≥ 4.5⋅10−8. More than 50 nuclei have been investigated so far with the present overall efficiency of about 0.5 to 2%.File in questo prodotto:
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