New developments for isochronous mass measurements of short-lived nuclei

  • R. Knöbel*
  • , S. A. Litvinov
  • , B. Sun
  • , K. Beckert
  • , P. Beller
  • , F. Bosch
  • , D. Boutin
  • , C. Brandau
  • , L. Chen
  • , I. J. Cullen
  • , C. Dimopoulou
  • , A. Dolinskii
  • , B. Fabian
  • , H. Geissel
  • , M. Hausmann
  • , C. Kozhuharov
  • , J. Kurcewicz
  • , Yu A. Litvinov
  • , Z. Liu
  • , M. Mazzocco
  • F. Montes, G. Münzenberg, A. Musumarra, S. Nakajima, C. Nociforo, F. Nolden, T. Ohtsubo, A. Ozawa, Z. Patyk, W. R. Plaß, C. Scheidenberger, M. Shindo, M. Steck, T. Suzuki, P. M. Walker, H. Weick, N. Winckler, M. Winkler, T. Yamaguchi
*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The combination of the in-flight separator FRS and the storage-ring ESR at GSI offers unique possibilities for high accuracy mass and lifetime measurements of bare and few-electron fragments. Operating the ESR in the isochronous mode allows for measurements of revolution frequencies of stored ions without cooling. Isochronous Mass Spectrometry (IMS) can be applied to fragments with half-lives as short as several tens of microseconds. Newly developed magnetic rigidity tagging increases the resolving power of IMS to about 500000. IMS can be used to measure masses of nuclei with rates even lower than one ion per day, a property also needed for the purpose of the ILIMA project at the future facility FAIR.

Original languageEnglish
Title of host publicationTOURS SYMPOSIUM ON NUCLEAR PHYSICS VI
Pages199-204
Number of pages6
DOIs
StatePublished - 2007
Externally publishedYes
EventTOURS SYMPOSIUM ON NUCLEAR PHYSICS VI - Tours, France
Duration: 5 Sep 20068 Sep 2006

Publication series

NameAIP Conference Proceedings
Volume891
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceTOURS SYMPOSIUM ON NUCLEAR PHYSICS VI
Country/TerritoryFrance
CityTours
Period5/09/068/09/06

Keywords

  • Exotic nuclei
  • Masses and half-lives
  • Stored highly-charged ions

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