Physics with colder molecular ions: The Heidelberg Cryogenic Storage Ring CSR

Physics with colder molecular ions: The Heidelberg Cryogenic Storage Ring CSR

A novel cryogenic electrostatic storage ring is planned to be built at the Max-Planck Institute for Nuclear Physics in Heidelberg. The machine is expected to operate at low temperatures (∼ 2 K) and to store beams with kinetic energies between 20 to 300 keV. An electron target based on cooled photocathode technology will serve as a major tool for the study of reactions between molecular ions and...

Electron impact ionization measurements at the Heidelberg heavy ion storage ring TSR

Multiple Coulomb ordered strings of ions in a storage ring.

We explain that the anomalous frequency shifts of very close masses obtained in the high precision mass measurement experiments in the ESR storage ring result from the locking of Coulomb interacting strings of ions. Here two concentric strings which run horizontally close to each other are captured into a single string if their thermal clouds overlap and give up their identity.

Laser-Cooled Ions and Atoms in a Storage Ring

We review recent experiments at the Heidelberg Test Storage Ring which apply advanced laser cooling techniques to stored ion beams. Very high phase-space densities are achieved by threedimensional laser cooling of a coasting 9Be+ beam at 7.3 MeV. Laser-cooled, trapped Cs atoms are used as an ultracold precision target for the study of ion–atom interactions with a 74 MeV beam of 12C6+ ions.

Graph storage: How good is CSR really?

In the last decade, the data size is growing exponentially and processing those data is becoming a difficult problem. Nowadays researchers and industry have been interested in the analysis of the graph to get deep understanding of social networks. Many of these graphs used in industry have become very large, containing hundreds of millions of nodes and edges. In this paper, I compare Compressed...