The Cryogenic Storage RIng (CSR), designed, built and located at the Max-Planck Institute for Nuclear Physics consists of an experimental vacuum system kept below 10 K by integrated pumping units working at 2 K. Two radiation shields at 40 and 80 K house the experimental vacuum chambers. An outer vacuum system acting as a cryostat provides an insulation vacuum of 10-6 mbar. The purely electrostatic storage ring with a circumference of 35 m consist of four 90o-bending corners and four field free straight sections used for beam diagnostics, an electron cooler (ECOOL), and a merged neutral beam setup.
![The Cryogenic Storage Ring at the MPIK, Heidelberg](https://www.weizmann.ac.il/particle/zajfman/sites/particle.zajfman/files/zoom_0.jpg)
The Cryogenic Storage Ring (CSR)
The CSR allows for the storage of charged species (without any mass restriction) for long period of time (minutes to hours) and is a unique instrument dedicated to the study of cold molecular and cluster ions, as well as ffor the reactions between cold species relevant to the chemistry of interstellar clouds.