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Stored and Cooled Ions Division
Max Planck SocietyMax Planck Institute for Nuclear PhysicsUniversity of Heidelberg Stored and Cooled Ions Division
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Tel.: +49 6221 516-851
Fax: +49 6221 516-852
Postal Address
Max Planck Institute for Nuclear Physics
P.O. Box 10 39 80
69029 Heidelberg
Visitor Address
Max Planck Institute for Nuclear Physics
Saupfercheckweg 1
Building: Gentner lab,
room 134
69117 Heidelberg



New method allows first mass measurement of the short-lived nuclide 51Co
Ion storage rings are versatile facilities ideally suited for performing high precision measurements of masses of short-lived nuclides. Since the masses of exotic nuclei are indispensable quantities for nuclear structure and astrophysics as well as for investigations of fundamental symmetries ... >


Robert Wolf receives two dissertation awards
Our division member Dr. Robert Wolf has been selected to receive the Wolfgang-Paul-Dissertation-Prize 2014. The German Society for Mass Spectrometry (DGMS) is presenting every year the Wolfgang-Paul-Prize for Student Research ... >


33rd Heidelberg Physics Graduate Days
06. - 10. October 2014
Heidelberg University, Germany ... >
MPG-BMBF-TÜBITAK Preparatory Workshop
18. - 20. November 2014
Istanbul University, Turkey ... >


Modern Mass Spectrometry, WS14/15
on Wed., 11:15, INF 227 / SR 1.403 ... >
Advanced seminar "Stored and Cooled Ions"
on Wed., 15:00, Seminar Room Blaum ... >


Welcome to the homepage of the Stored and Cooled Ions Division
Director: Prof. Dr. Klaus Blaum

  • A Penning trap for precision mass measurements
  • 7 T superconducting magnet for PENTATRAP
  • A liquid-nitrogen-cooled GaAs photocathode producing electron beams with internal temperatures down to 10 K
  • The CSR site in September 2010
  • The cryogenic ion trap used as a prototype for the CSR

The experimental working group of the division is concerned with precision experiments on stored and cooled ions as well as with the investigation of fundamental processes of molecular ions. For this purpose short-lived radionuclides, highly-charged ions or simple molecular ions are trapped in Penning traps and storage rings under conditions as they also occur in space. Another main research field of the division is the development of novel storage, cooling and detection techniques for future experiments.