Precise mass measurements of exotic nuclei\u2014the SHIPTRAP Penning trap mass spectrometer
- F., Herfurth
- D., Ackermann
- K., Blaum
- M., Block
- A., Chaudhuri
- M., Dworschak
- S., Eliseev
- R., Ferrer
- F., He fberger
- S., Hofmann
- H. J., Kluge
- G., Maero
- A., Mart\uedn
- G., Marx
- Mazzocco, Marco
- D., Neidherr
- J., Neumayr
- W., Pla f
- S., Rahaman
- C., Rauth
- D., Rodr\uedguez
- L., Schweikhard
- P., Thirolf
- G., Vorobjev
- C., Weber
Publication date
January 2007
DOI Publisher
AIP Publishing ISSN
0094-243X Citation count (estimate)
3Abstract
The SHIPTRAP Penning trap mass spectrometer has been designed and constructed to measure the mass of short\u2010lived, radioactive nuclei. The radioactive nuclei are produced in fusion\u2010evaporation 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 65 4.5 c510 128. More than 50 nuclei have been investigated so far with the present overall efficiency of about 0.5 to 2%
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