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New results with stored exotic nuclei at relativistic energies

Conference ·
OSTI ID:977765
 [1];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [3];  [9]; ;  [10]; ;  [11];  [12];  [13];  [14];  [15];  [1];  [16] more »;  [17];  [18];  [19]; ;  [20];  [21];  [22];  [23];  [24];  [4];  [25];  [26];  [27]; ;  [28] « less
  1. Fritz
  2. Daniel
  3. Thomas
  4. Markus
  5. Bernhard
  6. Marc
  7. Margarete
  8. Evangelia
  9. Otto
  10. Christophor
  11. Sergei A
  12. Gunther K. E.
  13. Ludwig
  14. Milan
  15. Gottfried
  16. Yuri N.
  17. Takashi
  18. Alexander
  19. Zygmund
  20. Mauricio
  21. Torsten P.
  22. Christoph
  23. Vladimir
  24. Jens
  25. David J.
  26. Helmut
  27. Martin
  28. Takayuki
+ Show Author Affiliations
Recently, much progress has been made with stored exotic nuclei at relativistic velocities v/c = 0.7. Fragments of {sup 208}Pb and {sup 209}Bi projectiles and fission fragments from {sup 238}U ions have been produced, separated in flight with the fragment separator FRS, and injected into the storage-cooler ring ESR for precision measurements. Precise masses of neutron-deficient isotopes in the lead region have been measured with time-resolved Schottky Mass Spectrometry (SMS). A new isospin dependence of the pairing energy was observed due to the improved mass accuracy of typical 1.5 x 10{sup -7} (30 keV). New masses of short-lived neutron-rich fission fragments have been obtained with Isochronous Mass Spectrometry (IMS). An innovative field of spectroscopy has been opened up with lifetime measurements of stored bare and few-electron fragments after applying both stochastic and electron cooling.
Research Organization:
Los Alamos National Laboratory
Sponsoring Organization:
DOE
OSTI ID:
977765
Report Number(s):
LA-UR-04-4884
Country of Publication:
United States
Language:
English

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Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCURACY
ELECTRON COOLING
FISSION FRAGMENTS
ISOSPIN
LIFETIME
MASS SPECTROSCOPY
NEUTRON-DEFICIENT ISOTOPES
NUCLEI
PAIRING ENERGY
PROJECTILES
SPECTROSCOPY