EPJ Web of Conferences
Volume 93, 2015CGS15 – Capture Gamma-Ray Spectroscopy and Related Topics
|Number of page(s)||6|
|Published online||28 May 2015|
Low-Energy Magnetic Radiation
1 University of Notre Dame, Notre Dame, IN 46557, USA
2 Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany
3 Central Michigan University, Mt. Pleasant, MI 48859, USA
a e-mail: email@example.com
Published online: 28 May 2015
A pronounced spike at low energy in the strength function for magnetic radiation (LEMAR) is found by means of Shell Model calculations, which explains the experimentally observed enhancement of the dipole strength. LEMAR originates from statistical low-energy M1-transitions between many excited complex states. Re-coupling of the proton and neutron high-j orbitals generates the strong magnetic radiation. LEMAR is predicted for nuclides with A ≈ 132 participating in the r-process of element synthesis. It increases the reaction rates by a factor of 2.5. The spectral function of LEMAR follows Planck’s Law. A power law for the size distribution of the B(M1) values is found.
© Owned by the authors, published by EDP Sciences, 2015
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