Hypernuclear gamma-ray spectroscopy: present status and perspectives

摘要

Hypernuclear gamma-ray spectroscopy experiments using a germanium detector array, Hyperball, have accumulated precise data on various p-shell Lambda hypernuclei. A common parameter set of the spin-dependent effective interaction strengths (Delta, S-Lambda, S-N, and T), which reproduces most of the hypernuclear data, has been determined. In the J-PARC facility, further experiments of hypernuclear gamma-ray spectroscopy are planned to be performed.