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24th European Conference on Few-Body Problems in Physics

1–6 Sept 2019
University of Surrey
Europe/London timezone

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Session

Parallel Session Tuesday: Light Nuclei

3 Sept 2019, 16:15
University of Surrey

University of Surrey

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  1. 71. Influence of the Pauli principle on two-cluster potential energy
    Dr Yuliya Lashko (Bogolyubov Institute for Theoretical Physics )
    03/09/2019, 16:20
    Nuclei
    Talk

    We study properties of an interaction between two clusters within the resonating group method. Due to the Pauli principle, a cluster-cluster interaction is a nonlocal potential within the standard version of the resonating group method. We employed the algebraic version of the method, which involves a complete basis of oscillator functions to expand a two-cluster wave function. In the...

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  2. 50. Electric-dipole transitions in 6Li with a fully microscopic six-body calculation
    Wataru Horiuchi (Hokkaido University)
    03/09/2019, 16:45
    Nuclei
    Talk

    Nuclear cluster structure often appears in the spectrum of light nuclei. The role of the nuclear clustering in the electric-dipole (E1) transitions is of great interest since they are closely related to important astrophysical reactions. Recently, an interesting speculation on the E1 excitation mechanism was made in the measurement of the photoabsorption cross section of 6Li that implied the...

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  3. 129. From three- to six-body systems within a properly symmetrized hyperspherical harmonics approach
    Dr Jérémy Dohet-Eraly (Université libre de Bruxelles (ULB))
    03/09/2019, 17:10
    Nuclei
    Talk

    We develop a new numerical method to construct an orthonormal basis of properly symmetrized hyperspherical harmonic functions [1]. Refined algorithms for calculating the transformation coefficients between hyperspherical harmonics based on different sets of Jacobi coordinates are described. A method to extract a maximal set of linearly independent hyperspherical states from a highly redundant...

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  4. 107. Study of 3- and 4-neutron systems using the hyperspherical method
    Dr Alejandro Kievsky (INFN)
    03/09/2019, 17:35
    Nuclei
    Talk

    The low energy collision of three- and four-neutrons is studied using the adiabatic hyperspherical representation, aimed at understanding whether low energy resonances might exist. This study is motivated by the recent experimental claim of an observation of a four neutron resonance [Kisamori et al., 2016]. From the theoretical side, several studies haven been reported, however, the...

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