Nuclear Resonances by Extrapolation of Bound States

  • R. G. Lovas
  • N. Tanaka
  • Y. Suzuki
  • K. Varga
Conference paper
Part of the Few Body Systems book series (FEWBODY, volume 13)


Nuclear resonances are decribed by the method of analytic continuation of the coupling constant (ACCC), which is an extrapolation of the trajectory of the S-matrix pole as a function of a potential strength from the boundstate to the unbound-state region. The performance of the ACCC method has been found to be excellent and independent of the nature of the decay channel and of the ratio of the imaginary to the real part of the complex energy. Some problematic states of α+nucleon- and α+α+nucleon-types nuclei have been located.


Oblique Line Halo Nucleus Nuclear Resonance Unbind State Resonance Pole 
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Copyright information

© Springer-Verlag 2001

Authors and Affiliations

  • R. G. Lovas
    • 1
  • N. Tanaka
    • 2
    • 3
  • Y. Suzuki
    • 2
  • K. Varga
    • 1
    • 2
  1. 1.Institute of Nuclear ResearchDebrecenHungary
  2. 2.Department of PhysicsNiigata UniversityNiigataJapan
  3. 3.Secom Information System Co., LtdMitaka, TokyoJapan

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