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Investigation of the Pygmy Dipole Resonance in photon scattering experiments

Müscher, Miriam ; Isaak, Johann ; Savran, Deniz ; Schwengner, Ronald ; Wilhelmy, Julius ; Zilges, Andreas (2020)
Investigation of the Pygmy Dipole Resonance in photon scattering experiments.
In: Journal of Physics: Conference Series, 1643
doi: 10.1088/1742-6596/1643/1/012148
Article, Bibliographie

Abstract

The Pygmy Dipole Resonance (PDR) is the dominating electric dipole excitation below and around the particle separation threshold and exhausts only a few percent of the energy-weighted sum rule. Nevertheless, it may have some impact on reaction rates in nucleosynthesis processes. Therefore, investigations to get more insights in this excitation mode are crucial. A common approach to study the PDR of atomic nuclei is the Nuclear Resonance Fluorescence method (NRF) which bases on real-photon scattering. Absolute cross sections, spin and parity quantum numbers are determined in a model-independent way if suited experimental setups are used. In general, there are two complementary NRF experiments which are presented in this paper.

Item Type: Article
Erschienen: 2020
Creators: Müscher, Miriam ; Isaak, Johann ; Savran, Deniz ; Schwengner, Ronald ; Wilhelmy, Julius ; Zilges, Andreas
Type of entry: Bibliographie
Title: Investigation of the Pygmy Dipole Resonance in photon scattering experiments
Language: English
Date: 23 December 2020
Publisher: IOP Publishing
Journal or Publication Title: Journal of Physics: Conference Series
Volume of the journal: 1643
DOI: 10.1088/1742-6596/1643/1/012148
Abstract:

The Pygmy Dipole Resonance (PDR) is the dominating electric dipole excitation below and around the particle separation threshold and exhausts only a few percent of the energy-weighted sum rule. Nevertheless, it may have some impact on reaction rates in nucleosynthesis processes. Therefore, investigations to get more insights in this excitation mode are crucial. A common approach to study the PDR of atomic nuclei is the Nuclear Resonance Fluorescence method (NRF) which bases on real-photon scattering. Absolute cross sections, spin and parity quantum numbers are determined in a model-independent way if suited experimental setups are used. In general, there are two complementary NRF experiments which are presented in this paper.

Additional Information:

Art.No.: 012148, 27th International Nuclear Physics Conference (INPC2019) 29 July - 2 August 2019, Glasgow, UK

Divisions: 05 Department of Physics
05 Department of Physics > Institute of Nuclear Physics
05 Department of Physics > Institute of Nuclear Physics > Experimentelle Kernphysik
05 Department of Physics > Institute of Nuclear Physics > Experimentelle Kernphysik > Experimentelle Kernstruktur und S-DALINAC
Date Deposited: 15 Nov 2023 08:49
Last Modified: 11 Jan 2024 15:19
PPN: 514631007
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