The Cryogenic Storage Ring CSR

von Hahn, Robert; Becker, Arno; Berg, Felix A.; Blaum, Klaus; Breitenfeldt, Christian; Fadil, H.; Fellenberger, Florian; Froese, Michael; George, Sebastian; Göck, Jürgen; Grieser, Manfred; Grussie, Florian; Guerin, Elisabeth Anna; Heber, Oded; Herwig, Philipp; Karthein, Jonas; Krantz, Claude; Kreckel, Holger; Lange, Michael; Laux, Felix; Lohmann, Svenja; Menk, Sebastian; Meyer, Christian; Mishra, Preeti Manjari; Novotny, Oldrich; O'Connor, Aodh; Orlov, Dmitry A.; Rappaport, Michael L.; Repnow, Roland; Saurabh, Sunny; Schippers, S.; Schröter, Claus Dieter; Schwalm, Dirk; Schweikhard, Eva Sabine; Sieber, Thomas; Shornikov, Andrey; Spruck, Kaija; Kumar, Sunil; Ullrich, Joachim H.; Urbain, Xavier; Vogel, Stephen; Wilhelm , Patrick; Wolf, Andreas; Zajfman, Daniel

doi:10.1063/1.4953888

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The Cryogenic Storage Ring CSR

MPS-Authors

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von Hahn, Robert
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Becker, Arno
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Berg, Felix A.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Blaum, Klaus
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Breitenfeldt, Christian
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Fadil, H.
Prof. Dirk Schwalm, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Fellenberger, Florian
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Froese, Michael
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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George, Sebastian
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Göck, Jürgen
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Grieser, Manfred
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Grussie, Florian
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Guerin, Elisabeth Anna
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Herwig, Philipp
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Karthein, Jonas
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Krantz, Claude
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Kreckel, Holger
Holger Kreckel, ASTROLAB - MPG-Gruppe im Anschluss an ERC Starting Grant, MPI for Nuclear Physics, Max Planck Society;

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Lange, Michael
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Laux, Felix
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Lohmann, Svenja
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Menk, Sebastian
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Meyer, Christian
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Mishra, Preeti Manjari
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Novotny, Oldrich
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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O'Connor, Aodh
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Orlov, Dmitry A.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Repnow, Roland
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Saurabh, Sunny
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Schippers, S.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Schröter, Claus Dieter
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Schwalm, Dirk
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Sieber, Thomas
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Shornikov, Andrey
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Spruck, Kaija
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Kumar, Sunil
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Ullrich, Joachim H.
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Vogel, Stephen
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

Wilhelm , Patrick
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Wolf, Andreas
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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https://doi.org/10.1063/1.4953888
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1606.01525.pdf
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Citation

von Hahn, R., Becker, A., Berg, F. A., Blaum, K., Breitenfeldt, C., Fadil, H., et al. (2016). The Cryogenic Storage Ring CSR. Review of Scientific Instruments, 87: 063115. doi:10.1063/1.4953888.

Cite as: https://hdl.handle.net/21.11116/0000-0003-2FDD-1

Abstract

An electrostatic cryogenic storage ring, CSR, for beams of anions and cations with up to 300 keV kinetic energy per unit charge has been designed, constructed and put into operation. With a circumference of 35 m, the ion-beam vacuum chambers and all beam optics are in a cryostat and cooled by a closed-cycle liquid helium system. At temperatures as low as (5.5 +/- 1) K inside the ring, storage time constants of several minutes up to almost an hour were observed for atomic and molecular, anion and cation beams at an energy of 60 keV. The ion-beam intensity, energy-dependent closed-orbit shifts (dispersion) and the focusing properties of the machine were studied by a system of capacitive pickups. The Schottky-noise spectrum of the stored ions revealed a broadening of the momentum distribution on a time scale of 1000 s. Photodetachment of stored anions was used in the beam lifetime measurements. The detachment rate by anion collisions with residual-gas molecules was found to be extremely low. A residual-gas density below 140 cm<supp>-3 is derived, equivalent to a room-temperature pressure below 10-14 mbar. Fast atomic, molecular and cluster ion beams stored for long periods of time in a cryogenic environment will allow experiments on collision- and radiation-induced fragmentation processes of ions in known internal quantum states with merged and crossed photon and particle beams.