SEVERYUKHIN, A. P.; BENDER, M.; FLOCARD, H.; HEENEN, P.-H.

doi:10.1103/PhysRevC.75.064303

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BENDER, M.
Département d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée [DAPNIA]
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

FLOCARD, H.
Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse [CSNSM]

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Physical Review C. 2007, vol. 75, p. 064303

American Physical Society

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By means of HFB calculations with independent constraints on axial neutron and proton quadrupole moments Q_n and Q_p, we investigate the large amplitude isoscalar and isovector deformation properties of the neutron-rich isotope 20O. Using the particle-number and angular-momentum projected Generator Coordinate Method, we analyze the collective dynamics in the {Q_n, Q_p} plane. The parameterization SLy4 of the Skyrme interaction is used for all calculations in connection with a density-dependent zero-range pairing interaction. Our results show that already for this moderately neutron-rich nucleus the transition moments are modified when independent neutron and proton collective dynamics are allowed.< Leer menos

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Large-amplitude Qn-Qp collectivity in the neutron-rich oxygen isotope 20 O

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