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Mass and Half-Life Measurements of Stored Exotic Nuclei Yu.A. Litvinov, Hirschegg 19.01.2006.

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Presentation on theme: "Mass and Half-Life Measurements of Stored Exotic Nuclei Yu.A. Litvinov, Hirschegg 19.01.2006."— Presentation transcript:

1 Mass and Half-Life Measurements of Stored Exotic Nuclei Yu.A. Litvinov, Hirschegg

2 Present Knowledge of Atomic Masses

3 Highly-Charged Ions In-Flight Separation Cocktail or Monoisotopic Beams Experimental facility at GSI

4 Schottky Mass Spectrometry (SMS)

5 Broad-band Schottky frequency spectra

6 Measured Mass Surface About 1/3 of all known masses were covered in one experiment Typical mass accuracy Mass resolving power reached 275 new masses determined More than 300 improved values Yu.A. Litvinov et al., Nucl. Phys. A756 (2005) 3

7 Predictive Powers of Mass Models

8 Two new SMS experiments Identification, Mass and Half-life values in one experiment

9 Isohronous Mass Spectrometry (IMS)

10 Time-of-Flight Spectra m/q range is

11 Isochronicity curves for several mass-to-charge ratios

12 Improved resolving power

13 238 U Fission Fragments M. Matos, PhD Thesis, JLU Giessen 2004

14 Predictive Powers of Mass Models H. Geissel, Yu.A. Litvinov et al, Nucl. Phys. A746 (2004) 150c

15 Predictive Powers of Mass Models

16 UNILAC SIS FRS ESR HESR Super FRS NESR CR RESR SIS 300 SIS 100 GSI today PANDA El.Cooler Atom.Phys. CBM Plasma Phys. FLAIR Low En. Expt. High En. Expt. NESR Expts Antiproton Production Target SIS18 Upgrade Beamlines The FAIR Project PAX/ASSIA

17 Δv v 0 Isomeric beams, LIfetimes, and MAsses

18 Where do we stand now? And where to go?

19 Direct Mass and Half-life Measurements F. Attallah, G. Audi, K. Beckert, P. Beller, F. Bosch, D. Boutin, T. Buervenich, R.S. Chakrawarthy, L. Chen, D. Cullen, T. Faestermann, M. Falch, B. Franczak, B. Franzke, H.-Geissel, M. Hausmann, M. Hellström, G. Jones, E. Kaza, Th. Kerscher, P. Kienle, O. Klepper, H.-J. Kluge, C. Kozhuharov, K.-L. Kratz, R. Knöbel, K.E.G. Löbner, S.A. Litvinov, Yu.A. Litvinov, Z. Liu, M. Matoš, L. Maier, G. Münzenberg, F. Nolden, Yu.N. Novikov, T. Ohtsubo, A. Ostrowski, A. Ozawa, Z. Patyk, B. Pfeiffer, W.R. Plass, Z. Podolyak, M. Portillo, T. Radon, H. Schatz, C. Scheidenberger, M. Shindo, V. Shishkin, J. Stadlmann, M. Steck, K. Sümmerer, T. Suzuki, M.B. Trzhakovskaya, S. Typel, D.J. Vieira, G. Vorobjev, P.M. Walker, H. Weick, S. Williams, M. Winkler, H. Wollnik, T. Yamaguchi, and The FRS-ESR Collaboration


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