Speaker
yasutaka yamamoto
Description
We aim to investigate mesonic effects in nuclei by measuring B(M1) values for l-forbidden (Δl = 2, ΔJπ = 1⁺) transitions. The transition strengths were obtained from level lifetimes measured using the line-shape analysis method with Ge detectors. In this study, we performed two in-beam γ-ray spectroscopy experiments to determine the lifetimes of the first excited states in 39Cl (CAGRA campaign, RCNP) and 43Cl (HiCARI campaign, RIBF). The analysis results will be presented.