Pan-American Few-Body Physics Boot Camp: Fostering Collaboration

Study of the first excited state of the 4He nucleus in Halo EFT

14 Oct 2025, 10:45

45m

Aula Renzo Leonardi (ECT*)

Speaker

Vinicius Ader (Universidade de Sao Paulo)

Description

In this talk, I will present an analysis of the first excited state of 4He within a coupled-channels formalism in Halo EFT. This state lies between two 3+1 channels and is likely associated with a four-body excited Efimov state exhibiting a 3+1 halo structure.

Presentation materials

Presentation_ECTstar_Workshop_2025-Vinicius.pdf