Erlangen 2026 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 48: Invited Talks

HK 48.2: Hauptvortrag

Freitag, 20. März 2026, 11:30–12:00, MED 00.915

Exploring stochastic aspects of nuclear gamma decays with photonuclear reactions — •Johann Isaak — TU Darmstadt, Institut für Kernphysik, Darmstadt, Germany

Understanding electromagnetic decays of atomic nuclei is essential both for advancing our knowledge of fundamental nuclear structure phenomena and for numerous applications, such as modeling nucleosynthesis processes. Photonuclear reactions provide a powerful tool to probe the photoresponse of nuclei and to explore the competition between statistical and non-statistical gamma decays. In this talk, I will present recent results obtained with quasimonochromatic photon beams, exploring the gamma decay behavior of both spherical and deformed nuclei across a wide range of excitation energies, from the dominant giant dipole resonance down to energies below the neutron separation threshold. I will highlight the interplay between statistical and non-statistical decays and discuss their consequences on our understanding of nuclear structure and broader implications. The talk will conclude with a perspective on open questions and future directions in this field.

Keywords: nuclear structure; giant dipole resonance; statistical model; photonuclear reactions