Dresden 2013 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 41: Struktur und Dynamik von Kernen

HK 41.5: Vortrag

Dienstag, 5. März 2013, 18:00–18:15, HSZ-301

Investigation of the odd mass Tl isotopes in resonant photon scattering experiments * — •Nadia Benouaret, Christopher Romig, Jacob Beller, Markus Zweidinger, Marcus Scheck, and Norbert Pietralla — Institut für Kernphysik, Technische Universität Darmstadt Schlossgartenstraße 9, 64289 Darmstadt, Deutschland

First nuclear resonance fluorescence (NRF) experiments have been performed on the odd mass isotopes ^203,205Tl using a bremsstrahlung photon beam at an endpoint energy of 7.5 MeV at the S-DALINAC facility at TU Darmstadt. The measurements were complemented by additional experiments carried out at the High Intensity γ-ray Source HIγS at Duke University, NC, USA, with a linearly polarised quasi-mono-energetic photon beam. New photo-excited states of ^203,205Tl isotopes have been identified. The ground state transition widths and the reduced transition probabilities of ²⁰⁵Tl have been extracted from the corresponding measured energy spectra of the scattered photons. The results on 205Tl will be presented.

*Supported by the DFG under grant N0. SFB 634.