Electric structure of shallow D-wave states in Halo EFT

Author:

Braun J,Elkamhawy W,Roth R,Hammer H-WORCID

Abstract

Abstract We compute the electric form factors of one-neutron halo nuclei with shallow D-wave states up to next-to-leading order and the E2 transition from the S-wave to the D-wave state up to leading order in Halo effective field theory (Halo EFT). The relevant degrees of freedom are the core and the halo neutron. The EFT expansion is carried out in powers of R core/R halo, where R core and R halo denote the length scales of the core and the halo, respectively. We propose a power counting scenario for weakly-bound states in one-neutron Halo EFT and discuss its implications for higher partial waves in terms of universality. The scenario is applied to the 5 2 + first excited state and the 1 2 + ground state of 15C. We obtain several universal correlations between electric observables and use data for the E2 transition 5 2 + 1 2 + together with ab initio results from the No-Core Shell Model to predict the quadrupole moment.

Funder

Bundesministerium für Bildung und Forschung

Deutsche Forschungsgemeinschaft

Publisher

IOP Publishing

Subject

Nuclear and High Energy Physics

Cited by 6 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Elastic pC12 scattering calculations using a cluster effective field theory;Physical Review C;2024-05-29

2. Low-energy deuteron–alpha elastic scattering in cluster effective field theory;The European Physical Journal A;2023-02-08

3. Theory of Halo Nuclei;Handbook of Nuclear Physics;2023

4. Halo EFT for 31Ne in a spherical formalism;Journal of Physics G: Nuclear and Particle Physics;2022-12-29

5. Effective field theory analysis of 3He–α scattering data;Journal of Physics G: Nuclear and Particle Physics;2022-03-10

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