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Beta-decay properties of 25 Si and 26 P

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Abstract.

The \(\beta\)-decay properties of the neutron-deficient nuclei 25Si and 26P have been investigated at the GANIL/LISE3 facility by means of charged-particle and \(\gamma\)-ray spectroscopy. The decay schemes obtained and the Gamow-Teller strength distributions are compared to shell-model calculations based on the USD interaction. B(GT) values derived from the absolute measurement of the \(\beta\)-decay branching ratios give rise to a quenching factor of the Gamow-Teller strength of 0.6. A precise half-life of \(43.7\: (6)\) ms was determined for 26P, the \(\beta\)-(2)p decay mode of which is described.

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Authors and Affiliations

  1. Centre d’Etudes Nucléaires de Bordeaux-Gradignan, Allée du Haut-Vigneau, B.P. 120, 33170, Gradignan Cedex, France

    J.-C. Thomas, B. Blank, G. Canchel, S. Czajkowski, J. Giovinazzo & N. Guillet

  2. Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200D, 3001, Leuven, Belgium

    J.-C. Thomas

  3. LPC Caen, 6 Boulevard du Maréchal Juin, 14050, Caen Cedex, France

    L. Achouri

  4. Department of Physics, University of Jyväskylä, PB 35 (YFL), 40014, Finland

    J. Äystö, J. Honkanen & A. Jokinen

  5. Institut de Physique Nucléaire de Lyon, 69622, Villerbanne Cedex, France

    R. Béraud & A. Ensallem

  6. Kernfysisch Versneller Instituut, Zernikelaan 25, 9747 AA, Groningen, The Netherlands

    P. Dendooven

  7. Department of Physics and Astronomy, University of Edinburgh, EH9 3JZ, Edinburgh, UK

    A. Laird

  8. Grand Accélérateur National d’Ions Lourds, B.P. 5027, 14076, Caen Cedex 5, France

    M. Lewitowicz & F. de Oliveira Santos

  9. Institut de Recherche Subatomique, 23 rue du Loess, B.P. 28, 67037, Strasbourg Cedex, France

    C. Longour

  10. Lawrence Berkeley National Laboratory, 1 Cyclotron Road, CA 94720, Berkeley, USA

    K. Peräjärvi

  11. Institut de Physique Nucléaire d’Orsay, 15 rue G. Clémenceau, 91406, Orsay Cedex, France

    M. Stanoiu

Authors
  1. J.-C. Thomas
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  2. L. Achouri
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  3. J. Äystö
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  4. R. Béraud
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  5. B. Blank
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  6. G. Canchel
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  7. S. Czajkowski
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  8. P. Dendooven
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  9. A. Ensallem
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  10. J. Giovinazzo
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  11. N. Guillet
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  12. J. Honkanen
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  13. A. Jokinen
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  14. A. Laird
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  15. M. Lewitowicz
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  16. C. Longour
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  19. M. Stanoiu
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Corresponding author

Correspondence to B. Blank.

Additional information

Communicated by D. Guerreau

Received: 3 December 2003, Revised: 23 February 2004, Published online: 7 September 2004

PACS:

29.30.Ep Charged-particle spectroscopy - 29.30.Kv X- and \(\gamma\)-ray spectroscopy - 23.90. + w Other topics in radioactive decay and in-beam spectroscopy

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Thomas, JC., Achouri, L., Äystö, J. et al. Beta-decay properties of 25 Si and 26 P . Eur. Phys. J. A 21, 419–435 (2004). https://doi.org/10.1140/epja/i2003-10218-8

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