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Mass measurement on the rp-process waiting point 72Kr

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The 4th International Conference on Exotic Nuclei and Atomic Masses

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Abstract

With the aim of improving nucleosynthesis calculations, we performed for the first time, a direct high-precision mass measurement on the waiting point in the astrophysical rp-process 72Kr. We used the ISOLTRAP Penning trap mass spectrometer located at ISOLDE/CERN. The measurement yielded a relative mass uncertainty of σm/m = 1.2 × 10−7. In addition, the masses of 73Kr and 74Kr were measured directly with relative mass uncertainties of 1.0 × 10−7 and 3 × 10−8, respectively. We analyzed the role of 72Kr in the rp-process during X-ray bursts using the ISOLTRAP and previous mass values of 72–74Kr.

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Author information

Authors and Affiliations

  1. GSI, Planckstraße 1, 64291, Darmstadt, Germany

    D. Rodríguez (Conference presenter), D. Beck, K. Blaum, F. Herfurth & H. -J. Kluge

  2. University of Jyväskylä, P.O. Box 35, 40351, Jyväskylä, Finland

    V. S. Kolhinen, J. Äystö & A. Jokinen

  3. CSNSM-IN2P3-CNRS, 91405, Orsay-Campus, France

    G. Audi

  4. Institute of Physics, University of Mainz, Staudingerweg 7, 55128, Mainz, Germany

    K. Blaum

  5. NSCL, Michigan State University, East Lansing, MI, 48824-1321, USA

    G. Bollen, H. Schatz & S. Schwarz

  6. Physics Department, CERN, 1211, Geneva 23, Switzerland

    A. Kellerbauer & E. Sauvan

  7. Helsinki Institute of Physics, University of Helsinki, P.O. Box 64, 00014, Helsinki, Finland

    M. Oinonen

  8. Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI, 48824-1321, USA

    H. Schatz

  9. IN2P3, LPC-ENSICAEN 6, Boulevard du Maréchal Juin, 14050, Caen Cedex, France

    V. S. Kolhinen

  10. LMU München, Am Coulombwall 1, 85748, Garching, Germany

    E. Sauvan

  11. IN2P3, CPPM, 13288, Marseille, France

    D. Rodríguez (Conference presenter)

Authors
  1. D. Rodríguez
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  2. V. S. Kolhinen
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  3. G. Audi
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  4. J. Äystö
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  5. D. Beck
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  6. K. Blaum
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  7. G. Bollen
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  8. F. Herfurth
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  9. A. Jokinen
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  10. A. Kellerbauer
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  11. H. -J. Kluge
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  12. M. Oinonen
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  13. H. Schatz
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  14. E. Sauvan
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  15. S. Schwarz
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Editor information

Editors and Affiliations

  1. Physics Division, Oak Ridge National Laboratory, Bldg. 6000, MS-6371, Oak Ridge, TN, 37831-6371, USA

    Carl J. Gross  & Krzysztof P. Rykaczewski  & 

  2. Department of Physics and Astronomy, 401 Nielsen Physics Building, Knoxville, TN, 37996-1200, USA

    Witold Nazarewicz

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© 2005 Società Italiana di Fisica / Springer-Verlag

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Rodríguez, D. et al. (2005). Mass measurement on the rp-process waiting point 72Kr. In: Gross, C.J., Nazarewicz, W., Rykaczewski, K.P. (eds) The 4th International Conference on Exotic Nuclei and Atomic Masses. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-37642-9_10

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  • DOI: https://doi.org/10.1007/3-540-37642-9_10

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-28441-3

  • Online ISBN: 978-3-540-37642-2

  • eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)

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