2019/02/28 by Yuki Shikata, Shikata, Yuki, Yoshiko Kanada-En’yo +4
Physics and Astronomy · #Atomic and Molecular Physics #Atomic physics #Dipole #Energy (signal processing) #Excitation #FOS: Physical sciences #Nuclear Theory (nucl-th) #Nuclear physics research studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #nucl-th
paper · pdf · doi:10.48550/arxiv.1902.10962
20 pages, 8 figures
arxiv created 2019/02/28 · openalex publication_date 2019/02/28 · arxiv updated 2019/03/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Low-energy dipole excitations in 10Be were investigated based on the generator coordinate method with α+ 6He and α+ α+ 2n cluster models. We obtained three 1- states in Ex < 15~MeV, which show different characters in the E1, compressive dipole, and toroidal dipole transition strengths. We found the strong toroidal dipole transition in the 11- state, remarkable E1 strength in the 1-2 state, and the strong E1 and compressive dipole strength in the 1-3 state. The 1-1 is described by the α+ 6He cluster structure, where as the 1-2 and 1-3 states are understood by three-body excitations of the α+ α+ 2n clustering.