A high resolution AMS-injector for the Pelletron in Lund

Ragnar Hellborg, S Bazhal, Mikko Faarinen, K Hakansson, Carl-Erik Magnusson, Per Persson, Göran Skog, Kristina Stenström

Research output: Contribution to journalArticlepeer-review

Abstract

A high resolution injector system has recently been installed at the Lund 3 MV tandem Pelletron accelerator. The new injector, designed mainly for Al-26 ions, will increase the experimental potential of the Lund AMS facility considerably. High quality energy- and mass-resolution is obtained by using a 90degrees spherical electrostatic analyzer followed by a 90degrees magnetic analyzer. The injector is equipped with a high intensity sputtering source with a spherical ionizer. A new analytical technique for acceptance calculations as well as PC-based computational methods have been used in the design of the ion optical system of the new injector. Compared to our old injector system which has a magnetic analyzer with a bending angle of only 15degrees, the new system has a more than ten times better resolution. The beam optics of the new system is also better designed to match the accelerator acceptance. In this way the ion transmission from the ion source to the detector, for different ions of interest in our AMS programme, has been increased.
Original languageEnglish
Pages (from-to)1061-1073
JournalPramana
Volume59
Issue number6
Publication statusPublished - 2002

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Nuclear Physics (Faculty of Science) (011013004), Quaternary Sciences (011006008), Physics, science (011013100)

Subject classification (UKÄ)

  • Subatomic Physics
  • Geology

Free keywords

  • AMS
  • injector
  • ion optical system
  • electrostatic accelerator
  • Pelletron
  • accelerator mass spectrometry

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