Bonn 2020 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Structure and Dynamics of Nuclei VI

HK 27.1: Gruppenbericht

Mittwoch, 1. April 2020, 14:00–14:30, J-HS H

Effective field theory for nuclear wobbling motion — •Qibo Chen1, Norbert Kaiser1, and Ulf-G. Meißner2,3,41Physik-Department, Technische Universität München, D-85747 Garching, Germany — 2Helmholtz-Institut für Strahlen- und Kernphysik and Bethe Center for Theoretical Physics, Universität Bonn, D-53115 Bonn, Germany — 3Institute for Advanced Simulation, Institut für Kernphysik, Jülich Center for Hadron Physics and JARA-HPC, Forschungszentrum Jülich, D-52425 Jülich, Germany — 4Ivane Javakhishvili Tbilisi State University, 0186 Tbilisi, Georgia

In recent years, effective field theory (EFT) has achieved many successes in hadronic and low-energy nuclear physics, and the investigation of wobbling motion of triaxially deformed nuclei has become one of hottest topics in nuclear structure physics. In our previous work [1, 2], the EFT has been extended successfully to investigate the rotational and vibrational motions of triaxially deformed even-even nuclei. In this work, the EFT is further extended to investigate the collective motion of triaxial odd-mass nuclei. This extension requires a systematic treatment of the coupling between the single-particle motion and the collective rotational motion. The applicability of the obtained EFT is examined to study the wobbling motion in Lu isotopes.

*Supported by DFG and NSFC (CRC 110).

[1] Q. B. Chen, N. Kaiser, Ulf-G. Meißner, J. Meng, Eur. Phys. J. A 53, 204 (2017).

[2] Q. B. Chen, N. Kaiser, Ulf-G. Meißner, J. Meng, Phys. Rev. C 97, 064320 (2018)

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