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Spectroscopy of the lithium isotopes 7-9Li

  • B. A. Chernyshev
  • Yu. B. Gurov
  • V. S. Karpukhin
  • L. Yu. Korotkova
  • S. V. Lapushkin
  • R. V. Pritula
  • V. G. Sandukovsky
Regular Article - Experimental Physics

Abstract.

Experimental search for highly excited states of the lithium isotopes 7-9Li was carried out in the stopped \(\pi^{-}\)-meson absorption reactions. Several states were found for the first time. Evidence of the existence of the 8Li level with \( E_{x}=11.2\pm 0.2\) MeV, \( 13.5\pm 0.1\) MeV and \( 17.5\pm 0.3\) MeV was found in the 12C(\( \pi^{-}, dd\))X reaction. In the 11B(\( \pi^{-}, d\))X reaction the level of 9Li with \( E_{x}=9.1\pm 0.1\) MeV, which lies above the threshold 9Li* \( \rightarrow\) 6He \( +t \), was observed. An indication for the formation of the 9Li state with \( E_{x}\approx 10.5\) MeV was obtained in the 12C(\( \pi^{-},p d\))X reaction.

Keywords

Excited State Correlation Measurement High Excited State Inclusive Measurement Lithium Isotope 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • B. A. Chernyshev
    • 1
  • Yu. B. Gurov
    • 1
  • V. S. Karpukhin
    • 1
  • L. Yu. Korotkova
    • 1
  • S. V. Lapushkin
    • 1
  • R. V. Pritula
    • 1
  • V. G. Sandukovsky
    • 2
  1. 1.National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)MoscowRussia
  2. 2.Joint Institute for Nuclear ResearchDubnaRussia

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