Darmstadt 2016 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 62: Hauptvorträge III

HK 62.3: Hauptvortrag

Freitag, 18. März 2016, 11:45–12:15, S1/01 A1

Few-body universality in halo nuclei — •Hans-Werner Hammer — Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany

Few-body systems with resonant interactions show universal properties that are independent of the interaction at short distances. These properties include a geometric spectrum of three- and higher-body bound states and universal correlations between few-body observables. They can be observed over a wide range of scales from hadrons and nuclei to ultracold atoms. In this talk, I will focus on few-body universality in halo nuclei which can be considered effective few-body systems consisting of halo nucleons and a tightly bound core. This concept provides a unifying framework for the description of halo nuclei with systematically calculable corrections. I will discuss recent progress and future challenges in this field with a special emphasis on the prospects of observing Efimov states in halo nuclei.