MAX 4, A 3 GEV light source

Gregory LeBlanc, Åke Andersson, Marlene Bergqvist, Mikael Eriksson, Lars-Johan Lindgren, Lars Malmgren, Hamed Tarawneh, Erik Wallén, Sverker Werin, Bengt Anderberg, Jörgen Larsson

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review


A proposal for a new synchrotron light source, MAX 4, is presented. The main components are two identical storage rings operated at different electron beam energies and equipped with superconducting insertion devices. Small beam emittances will yield high brilliance radiation over a wide spectral range. A small horizontal emittance is achieved by using a large number of cells with gradient dipoles flanked by horizontally focusing quadrupoles. A small magnet aperture allows strong gradients in dipoles and strong sextupole components in quadrupoles. This results in an equilibrium emittance on the order of 1 nmrad. A full-energy injector, enabling top-up operation, will be a 3 GeV S-band linac with an energy doubling system. This opens up the possibility to produce short, intense radiation pulses, coherent as well as spontaneous.
Original languageEnglish
Title of host publicationProceedings of the IEEE Particle Accelerator Conference
PublisherIEEE - Institute of Electrical and Electronics Engineers Inc.
Publication statusPublished - 2003
EventPAC 2003 - Proceedings of the 2003 IEEE Particle Accelerator Conference - Portland, OR, United States
Duration: 2003 May 122003 May 16

Publication series



ConferencePAC 2003 - Proceedings of the 2003 IEEE Particle Accelerator Conference
Country/TerritoryUnited States
CityPortland, OR

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics
  • Physical Sciences
  • Natural Sciences


  • Bremsstrahlung lifetime
  • Insertion devices
  • Dynamic aperture
  • Energy doubling


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